Fix minor typos

src/Audacity.h

@@ -209,7 +209,7 @@ class wxWindow;
 
 // These macros are used widely, so declared here.
 #define QUANTIZED_TIME(time, rate) (floor(((double)(time) * (rate)) + 0.5) / (rate))
-// dB - linear amplitude convesions
+// dB - linear amplitude conversions
 #define DB_TO_LINEAR(x) (pow(10.0, (x) / 20.0))
 #define LINEAR_TO_DB(x) (20.0 * log10(x))
 

src/AudacityApp.cpp

@@ -22,7 +22,7 @@ It handles initialization and termination by subclassing wxApp.
 
 #if 0
 // This may be used to debug memory leaks.
-// See: Visual Leak Dectector @ http://vld.codeplex.com/
+// See: Visual Leak Detector @ http://vld.codeplex.com/
 #include <vld.h>
 #endif
 
@@ -1384,7 +1384,7 @@ bool AudacityApp::OnInit()
    std::shared_ptr< wxCmdLineParser > parser{ ParseCommandLine().release() };
    if (!parser)
    {
-      // Either user requested help or a parsing error occured
+      // Either user requested help or a parsing error occurred
       exit(1);
    }
 
@@ -1886,7 +1886,7 @@ bool AudacityApp::CreateSingleInstanceChecker(const wxString &dir)
 
    mIPCServ.reset();
 
-   // Try twice to either become the server or make a connnection to one.  If
+   // Try twice to either become the server or make a connection to one.  If
    // both attempts fail, then there's something wrong that we can't deal with,
    // like insufficient access to create the socket, no memory, etc.
    for (int attempts = 0; attempts < 2; ++attempts)

src/AudioIO.cpp

@@ -2054,7 +2054,7 @@ void AudioIO::PrepareMidiIterator(bool send, double offset)
    // instead of initializing with an Alg_seq, we use begin_seq()
    // below to add ALL Alg_seq's.
    mIterator = std::make_unique<Alg_iterator>(nullptr, false);
-   // Iterator not yet intialized, must add each track...
+   // Iterator not yet initialized, must add each track...
    for (i = 0; i < nTracks; i++) {
       const auto t = mMidiPlaybackTracks[i].get();
       Alg_seq_ptr seq = &t->GetSeq();
@@ -4389,7 +4389,7 @@ int AudioIoCallback::AudioCallback(const void *inputBuffer, void *outputBuffer,
 #endif
 
    // ------ MEMORY ALLOCATIONS -----------------------------------------------
-   // tempFloats will be a resusable scratch pad for (possibly format converted)
+   // tempFloats will be a reusable scratch pad for (possibly format converted)
    // audio data.  One temporary use is for the InputMeter data.
    const auto numPlaybackChannels = mNumPlaybackChannels;
    const auto numCaptureChannels = mNumCaptureChannels;

src/AudioIO.h

@@ -700,7 +700,7 @@ public:
    * audacity actually runs the audio I/O stream at. if there is no suitable
    * rate available from the hardware, it returns 0.
    * The sampleRate argument gives the desired sample rate (the rate of the
-   * audio to be handeled, i.e. the currently Project Rate).
+   * audio to be handled, i.e. the currently Project Rate).
    * capturing is true if the stream is capturing one or more audio channels,
    * and playing is true if one or more channels are being played. */
    double GetBestRate(bool capturing, bool playing, double sampleRate);
@@ -730,7 +730,7 @@ private:
     * currently in use (for many reasons). The number of Capture and Playback
     * channels requested includes an allocation for doing software playthrough
     * if necessary. The captureFormat is used for recording only, the playback
-    * being floating point always. Returns true if the stream opened sucessfully
+    * being floating point always. Returns true if the stream opened successfully
     * and false if it did not. */
    bool StartPortAudioStream(const AudioIOStartStreamOptions &options,
                              unsigned int numPlaybackChannels,

src/AudioIOBase.cpp

@@ -1042,7 +1042,7 @@ wxString AudioIOBase::GetDeviceInfo()
          s << XO("%d - %s\n").Format( i, name );
       }
 
-      // Determine mixer capabilities - it it doesn't support either
+      // Determine mixer capabilities - if it doesn't support either
       // input or output, we emulate them (by multiplying this value
       // by all incoming/outgoing samples)
 

src/BatchCommands.cpp

@@ -187,7 +187,7 @@ bool MacroCommands::ReadMacro(const wxString & macro)
    if (lines > 0) {
       for (int i = 0; i < lines; i++) {
 
-         // Find the command name terminator...ingore line if not found
+         // Find the command name terminator...ignore line if not found
          int splitAt = tf[i].Find(wxT(':'));
          if (splitAt < 0) {
             continue;
@@ -722,7 +722,7 @@ bool MacroCommands::ApplySpecialCommand(
 }
 // end CLEANSPEECH remnant
 
-/// DoAudacityCommand() takes a PluginID and executes the assocated command.
+/// DoAudacityCommand() takes a PluginID and executes the associated command.
 ///
 /// At the moment flags are used only to indicate whether to prompt for
 /// parameters

src/Benchmark.cpp

@@ -352,7 +352,7 @@ void BenchmarkDialog::OnRun( wxCommandEvent & WXUNUSED(event))
    gPrefs->Write(wxT("/GUI/EditClipCanMove"), false);
    gPrefs->Flush();
 
-   // Rememebr the old blocksize, so that we can restore it later.
+   // Remember the old blocksize, so that we can restore it later.
    auto oldBlockSize = Sequence::GetMaxDiskBlockSize();
    Sequence::SetMaxDiskBlockSize(blockSize * 1024);
 

src/BlockFile.cpp

@@ -588,7 +588,7 @@ size_t BlockFile::CommonReadData(
              format == int16Sample &&
              sf_subtype_is_integer(info.format)) {
             // If both the src and dest formats are integer formats,
-            // read integers directly from the file, comversions not needed
+            // read integers directly from the file, conversions not needed
             framesRead = SFCall<sf_count_t>(
                sf_readf_short, sf.get(), (short *)data, len);
          }

src/DeviceManager.cpp

@@ -213,8 +213,8 @@ static void AddSources(int deviceIndex, int rate, std::vector<DeviceSourceMap> *
    // If the device is for input, open a stream so we can use portmixer to query
    // the number of inputs.  We skip this for outputs because there are no 'sources'
    // and some platforms (e.g. XP) have the same device for input and output, (while
-   // Vista/Win7 seperate these into two devices with the same names (but different
-   // portaudio indecies)
+   // Vista/Win7 separate these into two devices with the same names (but different
+   // portaudio indices)
    // Also, for mapper devices we don't want to keep any sources, so check for it here
    if (isInput && !IsInputDeviceAMapperDevice(info)) {
       if (info)
@@ -279,7 +279,7 @@ void DeviceManager::Rescan()
    // FIXME: TRAP_ERR PaErrorCode not handled in ReScan()
    int nDevices = Pa_GetDeviceCount();
 
-   //The heirarchy for devices is Host/device/source.
+   //The hierarchy for devices is Host/device/source.
    //Some newer systems aggregate this.
    //So we need to call port mixer for every device to get the sources
    for (int i = 0; i < nDevices; i++) {

src/DirManager.cpp

@@ -896,7 +896,7 @@ bool DirManager::AssignFile(wxFileNameWrapper &fileName,
       wxDir checkit(dir.GetFullPath());
       if(!checkit.IsOpened()) return FALSE;
 
-      // this code is only valid if 'value' has no extention; that
+      // this code is only valid if 'value' has no extension; that
       // means, effectively, AssignFile may be called with 'diskcheck'
       // set to true only if called from MakeFileBlockName().
 
@@ -1105,7 +1105,7 @@ wxFileNameWrapper DirManager::MakeBlockFileName()
 
    while(1){
 
-      /* blockfiles are divided up into heirarchical directories.
+      /* blockfiles are divided up into hierarchical directories.
          Each toplevel directory is represented by "e" + two unique
          hexadecimal digits, for a total possible number of 256
          toplevels.  Each toplevel contains up to 256 subdirs named

src/Envelope.cpp

@@ -283,7 +283,7 @@ void Envelope::CopyRange(const Envelope &orig, size_t begin, size_t end)
    }
 
    // Create the final point if it needs interpolated representation
-   // If the last point of e was exatly at t1, this effectively copies it too.
+   // If the last point of e was exactly at t1, this effectively copies it too.
    if (mTrackLen > 0 && i < len)
       AddPointAtEnd( mTrackLen, orig.GetValue(mOffset + mTrackLen));
 }

src/EnvelopeEditor.cpp

@@ -316,7 +316,7 @@ bool EnvelopeEditor::HandleDragging(const wxMouseEvent & event, wxRect & r,
    return true;
 }
 
-// Exit dragging mode and delete dragged point if neccessary.
+// Exit dragging mode and delete dragged point if necessary.
 bool EnvelopeEditor::HandleMouseButtonUp()
 {
    mEnvelope.ClearDragPoint();

src/FFmpeg.h

@@ -430,12 +430,12 @@ extern "C" {
    //
    // The FFMPEG_FUNCTION_WITH_RETURN takes 4 arguments:
    // 1)  The return type           <---|
-   // 2)  The function name             | Taken from the FFmpeg funciton prototype
+   // 2)  The function name             | Taken from the FFmpeg function prototype
    // 3)  The function arguments    <---|
    // 4)  The argument list to pass to the real function
    //
    // The FFMPEG_FUNCTION_NO_RETURN takes 3 arguments:
-   // 1)  The function name         <---| Taken from the FFmpeg funciton prototype
+   // 1)  The function name         <---| Taken from the FFmpeg function prototype
    // 2)  The function arguments    <---|
    // 3)  The argument list to pass to the real function
    //

src/FileFormats.h

@@ -72,7 +72,7 @@ wxString sf_header_shortname(int format);
 /** @brief Get the most common file extension for the given format
  *
  * AND the given format with SF_FORMAT_TYPEMASK to get just the container
- * format, then retreive the most common extension using SFC_GET_FORMAT_INFO.
+ * format, then retrieve the most common extension using SFC_GET_FORMAT_INFO.
  * @param format the libsndfile format to get the name for (only the container
  * part is used) */
 wxString sf_header_extension(int format);

src/FreqWindow.cpp

@@ -1012,7 +1012,7 @@ void FrequencyPlotDialog::Recalc()
    // In wxMac, the skipped window MUST be a top level window.  I'd originally made it
    // just the mProgress window with the idea of preventing user interaction with the
    // controls while the plot was being recalculated.  This doesn't appear to be necessary
-   // so just use the the top level window instead.
+   // so just use the top level window instead.
    {
       Optional<wxWindowDisabler> blocker;
       if (IsShown())

src/ImageManipulation.h

@@ -63,5 +63,5 @@ std::unique_ptr<wxImage> CreateSysBackground(int width, int height, int offset,
 // Pastes one image into another at specified location.
 void PasteSubImage( wxImage * pDest, wxImage * pSrc, int x, int y );
 
-// Gets a rectangle from within anothe rimage, INCLUDING the alpha channel
+// Gets a rectangle from within another image, INCLUDING the alpha channel
 wxImage GetSubImageWithAlpha( const wxImage & Src,  const wxRect &rect );

src/Internat.h

@@ -65,7 +65,7 @@ extern AUDACITY_DLL_API const wxString& GetCustomSubstitution(const wxString& st
 #endif
 
 
-// The two string arugments will go to the .pot file, as
+// The two string arguments will go to the .pot file, as
 // msgid sing
 // msgid_plural plural
 //
@@ -135,7 +135,7 @@ public:
     */
    static bool SanitiseFilename(wxString &name, const wxString &sub);
 
-   /** \brief Remove accelerator charactors from strings
+   /** \brief Remove accelerator characters from strings
     *
     * Utility function - takes a translatable string to be used as a menu item,
     * for example _("&Splash...\tAlt+S"), and strips all of the menu

src/Lyrics.cpp

@@ -222,7 +222,7 @@ void LyricsPanel::Finish(double finalT)
    mHighlightTextCtrl->ShowPosition(0);
 }
 
-// Binary-search for the syllable syllable whose char0 <= startChar <= char1.
+// Binary-search for the syllable whose char0 <= startChar <= char1.
 int LyricsPanel::FindSyllable(long startChar)
 {
    int i1, i2;

src/MacroMagic.h

@@ -20,7 +20,7 @@ For example DEFINE_IMAGE will generate:
 
   - extern int name;
   - int name = -1;
-  - RegisterImage( name, initiialiser, textual_name);
+  - RegisterImage( name, initialiser, textual_name);
 
 On three different passes.  We control which by defining one of
 THEME_INITS or THEME_DECLARATIONS or neither of these.

src/MixerBoard.h

@@ -203,7 +203,7 @@ public:
    void UpdatePrefs() override;
 
    // Add clusters for any tracks we're not yet showing.
-   // Update pointers for tracks we're aleady showing.
+   // Update pointers for tracks we're already showing.
    void UpdateTrackClusters();
 
    int GetTrackClustersWidth();

src/NoteTrack.cpp

@@ -1069,7 +1069,7 @@ void NoteTrack::ZoomAllNotes()
    }
 
    if (!hasNotes) {
-      // Semi-arbitary default values:
+      // Semi-arbitrary default values:
       minPitch = 48;
       maxPitch = 72;
    }
@@ -1102,7 +1102,7 @@ NoteTrackDisplayData::NoteTrackDisplayData(const NoteTrack* track, const wxRect
    }
    // Effective space, excluding the margins and the lines between some notes
    auto effectiveHeight = r.height - (2 * (mMargin + 1)) - numC - numF;
-   // Guarenteed that both the bottom and top notes will be visible
+   // Guaranteed that both the bottom and top notes will be visible
    // (assuming that the clamping below does not happen)
    mPitchHeight = effectiveHeight / ((float) span);
 

src/NoteTrack.h

@@ -138,7 +138,7 @@ public:
 
    /// Zooms out a constant factor (subject to zoom limits)
    void ZoomOut(const wxRect &rect, int y) { Zoom(rect, y, 1.0f / ZoomStep, true); }
-   /// Zooms in a contant factor (subject to zoom limits)
+   /// Zooms in a constant factor (subject to zoom limits)
    void ZoomIn(const wxRect &rect, int y) { Zoom(rect, y, ZoomStep, true); }
    /// Zoom the note track around y.
    /// If center is true, the result will be centered at y.

src/PitchName.h

@@ -50,7 +50,7 @@ TranslatableString PitchName(
 
 // PitchName_Absolute does the same thing as PitchName, but appends
 // the octave number, e.g., instead of "C" it will return "C4"
-// if the dMIDInote corresonds to middle C, i.e., is 60.
+// if the dMIDInote corresponds to middle C, i.e., is 60.
 TranslatableString PitchName_Absolute(
    const double dMIDInote,
    const PitchNameChoice choice = PitchNameChoice::Sharps);

src/PlatformCompatibility.h

@@ -41,7 +41,7 @@ public:
    static const FilePath &GetExecutablePath();
 
    //
-   // Audacity treats the / as a file seperator always for Mac OS,
+   // Audacity treats the / as a file separator always for Mac OS,
    // however /'s are allowed in the filename. In order for /'s to
    // work they muse be treated as :'s. To facilitate this, this
    // function should be called when opening or saving a file on

src/PluginManager.h

@@ -124,7 +124,7 @@ private:
 
    // Common
 
-   // Among other purposes, PluginDescriptor acts as the resouce handle,
+   // Among other purposes, PluginDescriptor acts as the resource handle,
    // or smart pointer, to a resource created in a plugin library, and is responsible
    // for a cleanup of this pointer.
    ComponentInterface *mInstance;

src/ProjectFileIO.cpp

@@ -334,7 +334,7 @@ bool ProjectFileIO::HandleXMLTag(const wxChar *tag, const wxChar **attrs)
 
    if (!bFileVersionFound ||
          (fileVersion.length() != 5) || // expecting '1.1.0', for example
-         // JKC: I commentted out next line.  IsGoodInt is not for
+         // JKC: I commented out next line.  IsGoodInt is not for
          // checking dotted numbers.
          //!XMLValueChecker::IsGoodInt(fileVersion) ||
          (fileVersion > wxT(AUDACITY_FILE_FORMAT_VERSION)))
@@ -358,7 +358,7 @@ bool ProjectFileIO::HandleXMLTag(const wxChar *tag, const wxChar **attrs)
    // KLUDGE: guess the true 'fileversion' by stripping away any '-beta-Rc' stuff on
    // audacityVersion.
    // It's fairly safe to do this as it has already been established that the
-   // puported file version was five chars long.
+   // supported file version was five chars long.
    fileVersion = audacityVersion.Mid(0,5);
 
    bool bIsOld = fileVersion < wxT(AUDACITY_FILE_FORMAT_VERSION);
@@ -459,7 +459,7 @@ void ProjectFileIO::WriteXML(
       xmlFile.WriteAttr(wxT("datadir"), dirManager.GetDataFilesDir());
 
       // Note that the code at the start assumes that if mFileName has a value
-      // then the file has been saved.  This is not neccessarily true when
+      // then the file has been saved.  This is not necessarily true when
       // autosaving as it gets set by AddImportedTracks (presumably as a proposal).
       // I don't think that mDirManager.projName gets set without a save so check that.
       if( !IsProjectSaved() )

src/ProjectFileIORegistry.h

@@ -19,7 +19,7 @@ class wxString;
 
 namespace ProjectFileIORegistry {
 
-// Type of functions returning objects that intepret a part of the saved XML
+// Type of functions returning objects that interpret a part of the saved XML
 using TagHandlerFactory =
    std::function< XMLTagHandler *( AudacityProject & ) >;
 

src/ProjectFileManager.cpp

@@ -360,7 +360,7 @@ bool ProjectFileManager::DoSave (const bool fromSaveAs,
    auto &projectFileIO = ProjectFileIO::Get( proj );
    const auto &settings = ProjectSettings::Get( proj );
 
-   wxASSERT_MSG(!bWantSaveCopy || fromSaveAs, "Copy Project SHOULD only be availabele from SaveAs");
+   wxASSERT_MSG(!bWantSaveCopy || fromSaveAs, "Copy Project SHOULD only be available from SaveAs");
 
    // Some confirmation dialogs
    if (!bWantSaveCopy)
@@ -931,7 +931,7 @@ will be irreversibly overwritten.").Format( fName, fName );
       }
       else
       {
-         // Overwrite disalowed. The destination project is open in another window.
+         // Overwrite disallowed. The destination project is open in another window.
          AudacityMessageDialog m(
             nullptr,
             XO("The project will not saved because the selected project is open in another window.\nPlease try again and select an original name."),
@@ -1226,7 +1226,7 @@ void ProjectFileManager::OpenFile(const FilePath &fileNameArg, bool addtohistory
    auto &window = ProjectWindow::Get( project );
 
    // On Win32, we may be given a short (DOS-compatible) file name on rare
-   // occassions (e.g. stuff like "C:\PROGRA~1\AUDACI~1\PROJEC~1.AUP"). We
+   // occasions (e.g. stuff like "C:\PROGRA~1\AUDACI~1\PROJEC~1.AUP"). We
    // convert these to long file name first.
    auto fileName = PlatformCompatibility::ConvertSlashInFileName(
       PlatformCompatibility::GetLongFileName(fileNameArg));
@@ -1444,7 +1444,7 @@ void ProjectFileManager::OpenFile(const FilePath &fileNameArg, bool addtohistory
             // Going through OnClose() may be overkill, but it's safe.
             /*
                // There was an error in the load/check and the user
-               // explictly opted to close the project.
+               // explicitly opted to close the project.
                mTracks->Clear(true);
                mFileName = wxT("");
                SetProjectTitle();
@@ -1598,7 +1598,7 @@ ProjectFileManager::AddImportedTracks(const FilePath &fileName,
    // See bug #1224
    // The track panel hasn't we been fully created, so the DoZoomFit() will not give
    // expected results due to a window width of zero.  Should be safe to yield here to
-   // allow the creattion to complete.  If this becomes a problem, it "might" be possible
+   // allow the creation to complete.  If this becomes a problem, it "might" be possible
    // to queue a dummy event to trigger the DoZoomFit().
    wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI | wxEVT_CATEGORY_USER_INPUT);
 #endif

src/ProjectWindow.cpp

@@ -444,7 +444,7 @@ unsigned operator()
 
 // Disabled this code to fix Bug 1923 (tricky to wheel-zoom right of waveform).
 #if 0
-      // When zooming in in empty space, it's easy to 'lose' the waveform.
+      // When zooming in empty space, it's easy to 'lose' the waveform.
       // This prevents it.
       // IF zooming in
       if (steps > 0)
@@ -574,7 +574,7 @@ ProjectWindow::ProjectWindow(wxWindow * parent, wxWindowID id,
    mNextWindowID = NextID;
 
    // Two sub-windows need to be made before Init(),
-   // so that this construcator can complete, and then TrackPanel and
+   // so that this constructor can complete, and then TrackPanel and
    // AdornedRulerPanel can retrieve those windows from this in their
    // factory functions
 
@@ -609,7 +609,7 @@ ProjectWindow::ProjectWindow(wxWindow * parent, wxWindowID id,
    pPage = Factory.AddPage( pNotebook, _("Main Mix"));
 #else
    // Not using a notebook, so we place the track panel inside another panel,
-   // this keeps the notebook code and normal code consistant and also
+   // this keeps the notebook code and normal code consistent and also
    // paves the way for adding additional windows inside the track panel.
    mMainPanel = safenew wxPanelWrapper(this, -1,
       wxDefaultPosition,
@@ -843,7 +843,7 @@ void ProjectWindow::OnScrollRight()
 
 
 ///
-///  This handles the event when the left direction button on the scrollbar is depresssed
+///  This handles the event when the left direction button on the scrollbar is depressed
 ///
 void ProjectWindow::OnScrollLeftButton(wxScrollEvent & /*event*/)
 {
@@ -864,7 +864,7 @@ void ProjectWindow::OnScrollLeftButton(wxScrollEvent & /*event*/)
 }
 
 ///
-///  This handles  the event when the right direction button on the scrollbar is depresssed
+///  This handles  the event when the right direction button on the scrollbar is depressed
 ///
 void ProjectWindow::OnScrollRightButton(wxScrollEvent & /*event*/)
 {
@@ -1010,7 +1010,7 @@ void ProjectWindow::FixScrollbars()
    auto panelWidth = viewInfo.GetTracksUsableWidth();
    auto panelHeight = viewInfo.GetHeight();
 
-   // (From Debian...at least I think this is the change cooresponding
+   // (From Debian...at least I think this is the change corresponding
    // to this comment)
    //
    // (2.) GTK critical warning "IA__gtk_range_set_range: assertion

src/RealFFTf48x.cpp

@@ -150,7 +150,7 @@ int SmallRB(int bits, int numberBits)
    return ( (sSmallRBTable[*((unsigned char *)&bits)]<<8) + (sSmallRBTable[*(((unsigned char *)&bits)+1)]) )>>(16-numberBits);
 };
 
-/* wrapper funcitons. If passed -1 function choice will be made locally */
+/* wrapper functions. If passed -1 function choice will be made locally */
 void RealFFTf1x(fft_type *buffer, FFTParam *h, int functionType)
 {
    switch(functionType) {
@@ -1799,7 +1799,7 @@ void RealFFTf1xFastMathBR24(fft_type *buffer, FFTParam *h)
 //               vx.m128_f32[i]=((fft_type )SmallRB(iSinCosIndex+i,h->pow2Bits-1))*iToRad;
             }
             //"Warning C4701 potentially uninitialized local variable 'vx' " is OK.
-            //vx is initilased component by component, and MSVC doesn't realize.
+            //vx is initialised component by component, and MSVC doesn't realize.
             sincos_ps(vx, &sin4_2, &cos4_2);
             sin=-sin4_2.m128_f32[0];
             cos=-cos4_2.m128_f32[0];

src/RealFFTf48x.h

@@ -17,7 +17,7 @@ enum {
 
 struct FFTParam;
 
-/* wrapper funcitons. If passed -1 function choice will be made locally */
+/* wrapper functions. If passed -1 function choice will be made locally */
 void RealFFTf1x(fft_type *, FFTParam*, int functionType=-1);
 void InverseRealFFTf1x(fft_type *, FFTParam*, int functionType=-1);
 void ReorderToTime1x(FFTParam *hFFT, fft_type *buffer, fft_type *TimeOut, int functionType=-1);

src/Resample.h

@@ -59,7 +59,7 @@ class Resample final
     @param inBufferLen Length of the input buffer, in samples.
     @param lastFlag Flag to indicate this is the last lot of input samples and
     the buffer needs to be emptied out into the rate converter.
-    (unless lastFlag is true, we don't garuntee to process all the samples in
+    (unless lastFlag is true, we don't guarantee to process all the samples in
     the input this time, we may leave some for next time)
     @param outBuffer Buffer to write output (converted) samples to.
     @param outBufferLen How big outBuffer is.

src/SampleFormat.h

@@ -150,7 +150,7 @@ void      ReverseSamples(samplePtr buffer, sampleFormat format,
 void      InitDitherers();
 
 // These are so commonly done for processing samples in floating point form in memory,
-// let's have abbeviations.
+// let's have abbreviations.
 using Floats = ArrayOf<float>;
 using FloatBuffers = ArraysOf<float>;
 using Doubles = ArrayOf<double>;

src/Shuttle.cpp

@@ -17,8 +17,8 @@
 \class Shuttle
 \brief Moves data from one place to another, converting it as required.
 
-  Shuttle provides a base class for transfering parameter data into and
-  out of clasess into some other structure.  This is a common
+  Shuttle provides a base class for transferring parameter data into and
+  out of classes into some other structure.  This is a common
   requirement and is needed for:
     - Prefs data
     - Command line parameter data

src/ShuttleGui.cpp

@@ -327,7 +327,7 @@ wxCheckBox * ShuttleGuiBase::AddCheckBox( const TranslatableString &Prompt, bool
    return pCheckBox;
 }
 
-/// For a consistant two-column layout we want labels on the left and
+/// For a consistent two-column layout we want labels on the left and
 /// controls on the right.  CheckBoxes break that rule, so we fake it by
 /// placing a static text label and then a tick box with an empty label.
 wxCheckBox * ShuttleGuiBase::AddCheckBoxOnRight( const TranslatableString &Prompt, bool Selected)
@@ -1967,7 +1967,7 @@ wxChoice *ShuttleGuiBase::TieChoice(
 /// between gui and stack variable and stack variable and shuttle.
 /// The Translated choices and default are integers, not Strings.
 /// Behaves identically to the previous, but is meant for use when the choices
-/// are non-exhaustive and there is a companion control for abitrary entry.
+/// are non-exhaustive and there is a companion control for arbitrary entry.
 ///   @param Prompt             The prompt shown beside the control.
 ///   @param SettingName        The setting name as stored in gPrefs
 ///   @param Default            The default integer value for this control

src/Theme.h

@@ -140,7 +140,7 @@ public:
 
    // Utility function that combines a bitmap and a mask, both in XPM format.
    wxImage MaskedImage( char const ** pXpm, char const ** pMask );
-   // Utility functiuon that takes a 32 bit bitmap and makes it into an image.
+   // Utility function that takes a 32 bit bitmap and makes it into an image.
    wxImage MakeImageWithAlpha( wxBitmap & Bmp );
 
 protected:

src/Track.h

@@ -589,7 +589,7 @@ public:
    // If no function accepts the track, do nothing and return R{}
    // if R is not void.
    // If one of the functions invokes the call-through, then the next following
-   // applicable funtion is called.
+   // applicable function is called.
    template< typename R = void, typename ...Functions >
    R TypeSwitch(const Functions &...functions)
    {

src/TrackArtist.cpp

@@ -272,7 +272,7 @@ void TrackArtist::UpdatePrefs()
 // two steps down for every one across. This creates a pattern that repeats in
 // 5-step by 5-step boxes. Because we're only drawing in 5/25 possible positions
 // we have a grid spacing somewhat smaller than the image dimensions. Thus we
-// acheive lower density than with a square grid and eliminate edge cases where
+// achieve lower density than with a square grid and eliminate edge cases where
 // no tiles are displayed.
 //
 // The pattern draws in tiles at (0,0), (2,1), (4,2), (1,3), and (3,4) in each
@@ -406,7 +406,7 @@ void TrackArt::DrawBackgroundWithSelection(
    dc->SetPen(*wxTRANSPARENT_PEN);
    if (track->GetSelected() || track->IsSyncLockSelected())
    {
-      // Rectangles before, within, after the selction
+      // Rectangles before, within, after the selection
       wxRect before = rect;
       wxRect within = rect;
       wxRect after = rect;

src/TrackArtist.h

@@ -43,7 +43,7 @@ namespace TrackArt {
       TrackPanelDrawingContext &context, const wxRect &rect );
 
    // Helper: draws background with selection rect
-   void DrawBackgroundWithSelection(TrackPanelDrawingContext &contex,
+   void DrawBackgroundWithSelection(TrackPanelDrawingContext &context,
          const wxRect &rect, const Track *track,
          const wxBrush &selBrush, const wxBrush &unselBrush,
          bool useSelection = true);

src/TrackPanel.cpp

@@ -99,7 +99,7 @@ is time to refresh some aspect of the screen.
 
 This is a diagram of TrackPanel's division of one (non-stereo) track rectangle.
 Total height equals TrackView::GetHeight()'s value.  Total width is the wxWindow's
-width.  Each charater that is not . represents one pixel.
+width.  Each character that is not . represents one pixel.
 
 Inset space of this track, and top inset of the next track, are used to draw the
 focus highlight.
@@ -814,7 +814,7 @@ void TrackPanel::RefreshTrack(Track *trk, bool refreshbacking)
 
 
 /// This method overrides Refresh() of wxWindow so that the
-/// boolean play indictaor can be set to false, so that an old play indicator that is
+/// boolean play indicator can be set to false, so that an old play indicator that is
 /// no longer there won't get  XORed (to erase it), thus redrawing it on the
 /// TrackPanel
 void TrackPanel::Refresh(bool eraseBackground /* = TRUE */,
@@ -1164,7 +1164,7 @@ void DrawTrackName(
 /*
 
   The following classes define the subdivision of the area of the TrackPanel
-  into cells with differing reponses to mouse, keyboard, and scroll wheel
+  into cells with differing responses to mouse, keyboard, and scroll wheel
   events.
   
   The classes defining the less inclusive areas are earlier, while those
@@ -1240,7 +1240,7 @@ struct VRulerAndChannel final : TrackPanelGroup {
    wxCoord mLeftOffset;
 };
 
-// One or more sub-views of one channel, stacked vertically, each contianing
+// One or more sub-views of one channel, stacked vertically, each containing
 // a vertical ruler and a channel
 struct VRulersAndChannels final : TrackPanelGroup {
    VRulersAndChannels(
@@ -1360,7 +1360,7 @@ struct LabeledChannelGroup final : TrackPanelGroup {
         std::make_shared< ChannelGroup >( mpTrack, mLeftOffset ) }
    } }; }
 
-   // TrackPanelDrawable impementation
+   // TrackPanelDrawable implementation
    void Draw( TrackPanelDrawingContext &context,
       const wxRect &rect, unsigned iPass ) override
    {

src/TrackPanelAx.cpp

@@ -229,7 +229,7 @@ void TrackPanelAx::MessageForScreenReader(const TranslatableString& message)
 
       mMessage = message.Translation();
 
-      // append \a alernatively, so that the string is never the same as the previous string.
+      // append \a alternatively, so that the string is never the same as the previous string.
       // This ensures that screen readers read it.
       if (mMessageCount % 2 == 0)
          mMessage.Append('\a');

src/UndoManager.cpp

@@ -309,7 +309,7 @@ void UndoManager::PushState(const TrackList * l,
       RemoveStateAt(i);
    }
 
-   // Assume tags was duplicted before any changes.
+   // Assume tags was duplicated before any changes.
    // Just save a NEW shared_ptr to it.
    stack.push_back(
       std::make_unique<UndoStackElem>

src/WaveClip.cpp

@@ -1048,7 +1048,7 @@ bool SpecCache::CalculateOneSpectrum
          ComputeSpectrumUsingRealFFTf
             (useBuffer, settings.hFFT.get(), settings.window.get(), fftLen, results);
          if (!gainFactors.empty()) {
-            // Apply a frequency-dependant gain factor
+            // Apply a frequency-dependent gain factor
             for (size_t ii = 0; ii < nBins; ++ii)
                results[ii] += gainFactors[ii];
          }
@@ -1201,7 +1201,7 @@ void SpecCache::Populate
                   power = 10.0*log10f(power);
             }
             if (!gainFactors.empty()) {
-               // Apply a frequency-dependant gain factor
+               // Apply a frequency-dependent gain factor
                for (size_t ii = 0; ii < nBins; ++ii)
                   results[ii] += gainFactors[ii];
             }

src/WaveClip.h

@@ -322,7 +322,7 @@ public:
                     double *cutLineEnd = NULL) const;
 
    /** Expand cut line (that is, re-insert audio, then DELETE audio saved in
-    * cut line). Returns true if a cut line could be found and sucessfully
+    * cut line). Returns true if a cut line could be found and successfully
     * expanded, false otherwise */
    void ExpandCutLine(double cutLinePosition);
 

src/WaveTrack.cpp

@@ -702,7 +702,7 @@ void WaveTrack::SetWaveformSettings(std::unique_ptr<WaveformSettings> &&pSetting
 // followed by Paste() and is used mostly by effects that
 // can't replace track data directly using Get()/Set().
 //
-// HandleClear() removes any cut/split lines lines with the
+// HandleClear() removes any cut/split lines with the
 // cleared range, but, in most cases, effects want to preserve
 // the existing cut/split lines, so they are saved before the
 // HandleClear()/Paste() and restored after.
@@ -1919,7 +1919,7 @@ bool WaveTrack::Get(samplePtr buffer, sampleFormat format,
             // startDelta is zero
          }
          else {
-            // startDelta is nonnegative and less than than len
+            // startDelta is nonnegative and less than len
             // samplesToCopy is positive and not more than len
          }
 
@@ -1967,7 +1967,7 @@ void WaveTrack::Set(samplePtr buffer, sampleFormat format,
             // startDelta is zero
          }
          else {
-            // startDelta is nonnegative and less than than len
+            // startDelta is nonnegative and less than len
             // samplesToCopy is positive and not more than len
          }
 

src/WaveTrack.h

@@ -230,7 +230,7 @@ private:
 
    ///
    /// MM: Now that each wave track can contain multiple clips, we don't
-   /// have a continous space of samples anymore, but we simulate it,
+   /// have a continuous space of samples anymore, but we simulate it,
    /// because there are alot of places (e.g. effects) using this interface.
    /// This interface makes much sense for modifying samples, but note that
    /// it is not time-accurate, because the "offset" is a double value and
@@ -352,7 +352,7 @@ private:
    double LongSamplesToTime(sampleCount pos) const;
 
    // Get access to the (visible) clips in the tracks, in unspecified order
-   // (not necessarioy sequenced in time).
+   // (not necessarily sequenced in time).
    WaveClipHolders &GetClips() { return mClips; }
    const WaveClipConstHolders &GetClips() const
       { return reinterpret_cast< const WaveClipConstHolders& >( mClips ); }

src/blockfile/ODDecodeBlockFile.h

@@ -60,7 +60,7 @@ class ODDecodeBlockFile final : public SimpleBlockFile
    const wxFileNameWrapper &GetExternalFileName() const override;
    void SetExternalFileName( wxFileNameWrapper &&newName ) override;
 
-   //Calls that rely on summary files need to be overidden
+   //Calls that rely on summary files need to be overridden
    DiskByteCount GetSpaceUsage() const override;
    /// Gets extreme values for the specified region
    MinMaxRMS GetMinMaxRMS(
@@ -105,7 +105,7 @@ class ODDecodeBlockFile final : public SimpleBlockFile
    //returns the number of samples from the beginning of the track that this blockfile ends at
    sampleCount GetGlobalEnd() const {return mClipOffset+mStart+GetLength();}
 
-   //Below calls are overrided just so we can take wxlog calls out, which are not threadsafe.
+   //Below calls are overridden just so we can take wxlog calls out, which are not threadsafe.
 
    /// Reads the specified data from the aliased file using libsndfile
    size_t ReadData(samplePtr data, sampleFormat format,

src/blockfile/ODPCMAliasBlockFile.h

@@ -58,7 +58,7 @@ class ODPCMAliasBlockFile final : public PCMAliasBlockFile
    /// Returns TRUE if the summary has not yet been written, but is actively being computed and written to disk
    bool IsSummaryBeingComputed() override { return mSummaryBeingComputed; }
 
-   //Calls that rely on summary files need to be overidden
+   //Calls that rely on summary files need to be overridden
    DiskByteCount GetSpaceUsage() const override;
    /// Gets extreme values for the specified region
    MinMaxRMS GetMinMaxRMS(
@@ -110,7 +110,7 @@ class ODPCMAliasBlockFile final : public PCMAliasBlockFile
    sampleCount GetGlobalEnd() const {return mClipOffset+mStart+GetLength();}
 
 
-   //Below calls are overrided just so we can take wxlog calls out, which are not threadsafe.
+   //Below calls are overridden just so we can take wxlog calls out, which are not threadsafe.
 
    /// Reads the specified data from the aliased file using libsndfile
    size_t ReadData(samplePtr data, sampleFormat format,

src/blockfile/SimpleBlockFile.cpp

@@ -334,7 +334,7 @@ void SimpleBlockFile::FillCache()
    mCache.active = true;
    mCache.needWrite = false;
 
-   //wxLogDebug("SimpleBlockFile::FillCache(): Succesfully read simple block file into cache.");
+   //wxLogDebug("SimpleBlockFile::FillCache(): Successfully read simple block file into cache.");
 }
 
 /// Read the summary section of the disk file.

src/commands/BatchEvalCommand.cpp

@@ -50,7 +50,7 @@ bool BatchEvalCommand::Apply(const CommandContext & context)
    // Uh oh, I need to build a catalog, expensively
    // Maybe it can be built in one long-lived place and shared among command
    // objects instead?
-   // The catolog though may change during a session, as it includes the 
+   // The catalog though may change during a session, as it includes the 
    // names of macro commands - so the long-lived copy will need to 
    // be refreshed after macros are added/deleted.
    MacroCommandsCatalog catalog(&context.project);

src/commands/Command.cpp

@@ -53,7 +53,7 @@ to create messages for forwarding.
 \brief Abstract base class for command interface.  This is the version
 created by Dan Horgan.  It was previously a factory for other command classes.
 It created a separation between the type of a command and the command itself, 
-which is being removed.  These Cmmands were managed by CommandDirectory.
+which is being removed.  These Commands were managed by CommandDirectory.
 
 \class OldStyleCommandPointer
 \brief OldStyleCommandPointer is a unique_ptr to an OldStyleCommand.

src/commands/CommandBuilder.cpp

@@ -157,7 +157,7 @@ void CommandBuilder::BuildCommand(AudacityProject *project,
          Failure(wxT("Unrecognized parameter: '") + paramName + wxT("'"));
          return;
       }
-      // Handling of quoted strings is quite limitted.
+      // Handling of quoted strings is quite limited.
       // You start and end with a " or a '.
       // There is no escaping in the string.
       cmdParams = cmdParams.Mid(splitAt+1);

src/commands/CommandContext.cpp

@@ -13,7 +13,7 @@
 \brief Contains definitions for CommandContext
 
 \class CommandContext
-\brief CommandContext provides addiitonal information to an
+\brief CommandContext provides additional information to an
 'Apply()' command.  It provides the project, and provides output
 channels for Error, Progress and Status.  Status is used for general
 messaging from a command back to its invoker.

src/commands/CommandManager.cpp

@@ -977,7 +977,7 @@ TranslatableString CommandManager::DescribeCommandsAndShortcuts(
       // If RTL, then the control character forces right-to-left sequencing of
       // "/" -separated command names, and puts any "(...)" shortcuts to the
       // left, consistently with accelerators in menus (assuming matching
-      // operating system prefernces for language), even if the command name
+      // operating system preferences for language), even if the command name
       // was missing from the translation file and defaulted to the English.
 
       // Note: not putting this and other short format strings in the
@@ -1177,7 +1177,7 @@ bool CommandManager::HandleMenuID(
    return HandleCommandEntry( project, entry, flags, alwaysEnabled );
 }
 
-/// HandleTextualCommand() allows us a limitted version of script/batch
+/// HandleTextualCommand() allows us a limited version of script/batch
 /// behavior, since we can get from a string command name to the actual
 /// code to run.
 CommandManager::TextualCommandResult

src/commands/CommandManager.h

@@ -560,7 +560,7 @@ namespace Registry {
       // allows implicit conversions to type Factory.
       // (Thus, a lambda can return a unique_ptr<BaseItem> rvalue even though
       // Factory's return type is shared_ptr, and the needed conversion is
-      // appled implicitly.)
+      // applied implicitly.)
       void AppendOne( const ComputedItem::Factory<VisitorType> &factory )
       {
          auto adaptedFactory = [factory]( Registry::Visitor &visitor ){

src/commands/GetInfoCommand.cpp

@@ -715,7 +715,7 @@ void GetInfoCommand::ExploreTrackPanel( const CommandContext &context,
          for (Overlay * pOverlay : pTP->mOverlays) {
             auto R2(pOverlay->GetRectangle(trackRect.GetSize()).first);
             context.Status( wxString::Format("  [ %2i, %3i, %3i, %3i, %3i, \"%s\" ],", 
-               depth, R2.GetLeft(), R2.GetTop(), R2.GetRight(), R2.GetBottom(), "Overthing" )); 
+               depth, R2.GetLeft(), R2.GetTop(), R2.GetRight(), R2.GetBottom(), "Otherthing" )); 
          }
       }
 #endif

src/commands/ScreenshotCommand.cpp

@@ -426,7 +426,7 @@ void ScreenshotCommand::CaptureWindowOnIdle(
    wxString Title = pDlg->GetTitle();
 
    // Remove '/' from "Sliding Time Scale/Pitch Shift..."
-   // and any other effects that have illegal filename chanracters.
+   // and any other effects that have illegal filename characters.
    Title.Replace( "/", "" );
    Title.Replace( ":", "" );
    wxString Name = mDirToWriteTo + Title + ".png";

src/effects/BassTreble.cpp

@@ -372,13 +372,13 @@ size_t EffectBassTreble::InstanceProcess(EffectBassTrebleState & data,
 
    data.gain = DB_TO_LINEAR(mGain);
 
-   // Compute coefficents of the low shelf biquand IIR filter
+   // Compute coefficients of the low shelf biquand IIR filter
    if (data.bass != oldBass)
       Coefficents(data.hzBass, data.slope, mBass, data.samplerate, kBass,
                   data.a0Bass, data.a1Bass, data.a2Bass,
                   data.b0Bass, data.b1Bass, data.b2Bass);
 
-   // Compute coefficents of the high shelf biquand IIR filter
+   // Compute coefficients of the high shelf biquand IIR filter
    if (data.treble != oldTreble)
       Coefficents(data.hzTreble, data.slope, mTreble, data.samplerate, kTreble,
                   data.a0Treble, data.a1Treble, data.a2Treble,

src/effects/Compressor.cpp

@@ -173,7 +173,7 @@ bool EffectCompressor::SetAutomationParameters(CommandParameters & parms)
    return true;
 }
 
-// Effect Implemenration
+// Effect Implementation
 
 bool EffectCompressor::Startup()
 {

src/effects/Equalization.cpp

@@ -1382,7 +1382,7 @@ bool EffectEqualization::ProcessOne(int count, WaveTrack * t,
       double startT = t->LongSamplesToTime(start);
 
       //output has one waveclip for the total length, even though
-      //t might have whitespace seperating multiple clips
+      //t might have whitespace separating multiple clips
       //we want to maintain the original clip structure, so
       //only paste the intersections of the NEW clip.
 
@@ -1723,7 +1723,7 @@ void EffectEqualization::UpdateDefaultCurves(bool updateAll /* false */)
       for (int curveCount = 0; curveCount < numUserCurves; curveCount++) {
          bool isCustom = true;
          tempCurve = userCurves[curveCount];
-         // is the name in the dfault set?
+         // is the name in the default set?
          for (int defCurveCount = 0; defCurveCount < numDefaultCurves; defCurveCount++) {
             if (tempCurve.Name == mCurves[defCurveCount].Name) {
                isCustom = false;
@@ -2296,7 +2296,7 @@ XMLTagHandler *EffectEqualization::HandleXMLChild(const wxChar *tag)
 void EffectEqualization::WriteXML(XMLWriter &xmlFile) const
 // may throw
 {
-   // Start our heirarchy
+   // Start our hierarchy
    xmlFile.StartTag( wxT( "equalizationeffect" ) );
 
    // Write all curves
@@ -2324,7 +2324,7 @@ void EffectEqualization::WriteXML(XMLWriter &xmlFile) const
       xmlFile.EndTag( wxT( "curve" ) );
    }
 
-   // Terminate our heirarchy
+   // Terminate our hierarchy
    xmlFile.EndTag( wxT( "equalizationeffect" ) );
 }
 
@@ -2525,7 +2525,7 @@ void EffectEqualization::EnvLinToLog(void)
    {
       if( when[i]*mHiFreq >= 20 )
       {
-         // Caution: on Linux, when when == 20, the log calulation rounds
+         // Caution: on Linux, when when == 20, the log calculation rounds
          // to just under zero, which causes an assert error.
          double flog = (log10(when[i]*mHiFreq)-loLog)/denom;
          mLogEnvelope->Insert(std::max(0.0, flog) , value[i]);
@@ -3218,7 +3218,7 @@ void EqualizationPanel::OnPaint(wxPaintEvent &  WXUNUSED(event))
       freq = lin ? step*i : pow(10., loLog + i*step);   //Hz
       if( ( lin ? step : (pow(10., loLog + (i+1)*step)-freq) ) < delta)
       {   //not enough resolution in FFT
-         // set up for calculating cos using recurrance - faster than calculating it directly each time
+         // set up for calculating cos using recurrence - faster than calculating it directly each time
          double theta = M_PI*freq/mEffect->mHiFreq;   //radians, normalized
          double wtemp = sin(0.5 * theta);
          double wpr = -2.0 * wtemp * wtemp;
@@ -3230,7 +3230,7 @@ void EqualizationPanel::OnPaint(wxPaintEvent &  WXUNUSED(event))
          for(int j=0;j<halfM;j++)
          {
             yF += 2. * mOutr[j] * wr;  // This works for me, compared to the previous version.  Compare wr to cos(theta*(halfM-j)).  Works for me.  Keep everything as doubles though.
-            // do recurrance
+            // do recurrence
             wr = (wtemp = wr) * wpr - wi * wpi + wr;
             wi = wi * wpr + wtemp * wpi + wi;
          }
@@ -3632,7 +3632,7 @@ void EditCurvesDialog::OnRename(wxCommandEvent & WXUNUSED(event))
 // Delete curve/curves
 void EditCurvesDialog::OnDelete(wxCommandEvent & WXUNUSED(event))
 {
-   // We could could count them here
+   // We could count them here
    // And then put in a 'Delete N items?' prompt.
 
 #if 0 // 'one at a time' prompt code

src/effects/Equalization48x.cpp

@@ -521,7 +521,7 @@ bool EffectEqualization48x::ProcessTail(WaveTrack * t, WaveTrack * output, sampl
    double startT = t->LongSamplesToTime(start);
 
    //output has one waveclip for the total length, even though 
-   //t might have whitespace seperating multiple clips
+   //t might have whitespace separating multiple clips
    //we want to maintain the original clip structure, so
    //only paste the intersections of the NEW clip.
 

src/effects/Paulstretch.cpp

@@ -368,7 +368,7 @@ bool EffectPaulstretch::ProcessOne(WaveTrack *track,double t0,double t1,int coun
 
             s += nget;
 
-            if (first_time){//blend the the start of the selection
+            if (first_time){//blend the start of the selection
                track->Get((samplePtr)fade_track_smps.get(), floatSample, start, fade_len);
                first_time = false;
                for (size_t i = 0; i < fade_len; i++){

src/effects/RealtimeEffectManager.cpp

@@ -334,7 +334,7 @@ size_t RealtimeEffectManager::RealtimeProcess(int group, unsigned chans, float *
 
    // Once we're done, we might wind up with the last effect storing its results
    // in the temporary buffers.  If that's the case, we need to copy it over to
-   // the caller's buffers.  This happens when the number of effects proccessed
+   // the caller's buffers.  This happens when the number of effects processed
    // is odd.
    if (called & 1)
    {
@@ -430,7 +430,7 @@ bool RealtimeEffectState::RealtimeAddProcessor(int group, unsigned chans, float
    // Call the client until we run out of input or output channels
    while (ichans > 0 && ochans > 0)
    {
-      // If we don't have enough input channels to accomodate the client's
+      // If we don't have enough input channels to accommodate the client's
       // requirements, then we replicate the input channels until the
       // client's needs are met.
       if (ichans < numAudioIn)
@@ -438,7 +438,7 @@ bool RealtimeEffectState::RealtimeAddProcessor(int group, unsigned chans, float
          // All input channels have been consumed
          ichans = 0;
       }
-      // Otherwise fullfil the client's needs with as many input channels as possible.
+      // Otherwise fulfill the client's needs with as many input channels as possible.
       // After calling the client with this set, we will loop back up to process more
       // of the input/output channels.
       else if (ichans >= numAudioIn)
@@ -447,7 +447,7 @@ bool RealtimeEffectState::RealtimeAddProcessor(int group, unsigned chans, float
          ichans -= gchans;
       }
 
-      // If we don't have enough output channels to accomodate the client's
+      // If we don't have enough output channels to accommodate the client's
       // requirements, then we provide all of the output channels and fulfill
       // the client's needs with dummy buffers.  These will just get tossed.
       if (ochans < numAudioOut)
@@ -455,7 +455,7 @@ bool RealtimeEffectState::RealtimeAddProcessor(int group, unsigned chans, float
          // All output channels have been consumed
          ochans = 0;
       }
-      // Otherwise fullfil the client's needs with as many output channels as possible.
+      // Otherwise fulfill the client's needs with as many output channels as possible.
       // After calling the client with this set, we will loop back up to process more
       // of the input/output channels.
       else if (ochans >= numAudioOut)
@@ -488,7 +488,7 @@ size_t RealtimeEffectState::RealtimeProcess(int group,
    // same number of output buffers as there are input buffers.
    //
    // Effects always require a certain number of input and output buffers,
-   // so if the number of channels we're curently processing are different
+   // so if the number of channels we're currently processing are different
    // than what the effect expects, then we use a few methods of satisfying
    // the effects requirements.
    const auto numAudioIn = mEffect.GetAudioInCount();

src/effects/Repair.h

@@ -38,7 +38,7 @@ public:
    bool Process() override;
 
 private:
-   // EffectRepair implementaion
+   // EffectRepair implementation
 
    bool ProcessOne(int count, WaveTrack * track,
                    sampleCount start,

src/effects/Reverb_libSoX.h

@@ -38,7 +38,7 @@ typedef struct {
    size_t allocation;   /* Number of bytes allocated for data. */
    size_t item_size;    /* Size of each item in data */
    size_t begin;        /* Offset of the first byte to read. */
-   size_t end;          /* 1 + Offset of the last byte byte to read. */
+   size_t end;          /* 1 + Offset of the last byte to read. */
 } fifo_t;
 
 static void fifo_clear(fifo_t * f)

src/effects/TruncSilence.cpp

@@ -141,7 +141,7 @@ EffectTruncSilence::EffectTruncSilence()
 
    SetLinearEffectFlag(false);
 
-   // This used to be changeable via the audacity.cfg/registery.  Doubtful that was
+   // This used to be changeable via the audacity.cfg/registry.  Doubtful that was
    // ever done.
    //
    // Original comment:

src/effects/VST/VSTEffect.cpp

@@ -171,7 +171,7 @@ public:
       if (wxTheApp && wxTheApp->argc == 3 && wxStrcmp(wxTheApp->argv[1], VSTCMDKEY) == 0)
       {
          // NOTE:  This can really hide failures, which is what we want for those pesky
-         //        VSTs that are bad or that our support isn't currect.  But, it can also
+         //        VSTs that are bad or that our support isn't correct.  But, it can also
          //        hide Audacity failures in the subprocess, so if you're having an unruley
          //        VST or odd Audacity failures, comment it out and you might get more info.
          //wxHandleFatalExceptions();
@@ -2244,7 +2244,7 @@ bool VSTEffect::Load()
          mMidiIns = 0;
          mMidiOuts = 0;
 
-         // Check to see if parameters can be automated.  This isn't a gaurantee
+         // Check to see if parameters can be automated.  This isn't a guarantee
          // since it could be that the effect simply doesn't support the opcode.
          mAutomatable = false;
          for (int i = 0; i < mAEffect->numParams; i++)

src/effects/audiounits/AudioUnitEffect.cpp

@@ -2433,7 +2433,7 @@ void AudioUnitEffect::EventListener(const AudioUnitEvent *inEvent,
    }
    else
    {
-      // We're the master, so propogate 
+      // We're the master, so propagate 
       for (size_t i = 0, cnt = mSlaves.size(); i < cnt; i++)
       {
          mSlaves[i]->EventListener(inEvent, inParameterValue);

src/effects/lv2/LV2Effect.cpp

@@ -261,7 +261,7 @@ void LV2EffectSettingsDialog::PopulateOrExchange(ShuttleGui &S)
             {
                wxTextCtrl *t;
                t = S.TieNumericTextBox(
-                  XO("&Buffer Size (8 to %d) samples):")
+                  XO("&Buffer Size (8 to %d samples):")
                      .Format( DEFAULT_BLOCKSIZE ),
                   mBufferSize,
                   12);

src/effects/lv2/LoadLV2.cpp

@@ -138,7 +138,7 @@ bool LV2EffectsModule::Initialize()
    #define NODE(n, u) LV2Effect::node_##n = lilv_new_uri(gWorld, u);
    NODELIST
 
-   // Generatre URIDs
+   // Generate URIDs
    #undef URID
    #define URID(n, u) LV2Effect::urid_##n = LV2Effect::Lookup_URI(LV2Effect::gURIDMap, u);
       URIDLIST

src/effects/lv2/lv2_external_ui.h

@@ -40,7 +40,7 @@ extern "C" {
  */
 typedef struct _LV2_External_UI_Widget {
   /**
-   * Host calls this function regulary. UI library implementing the
+   * Host calls this function regularily. UI library implementing the
    * callback may do IPC or redraw the UI.
    *
    * @param _this_ the UI context
@@ -80,7 +80,7 @@ typedef struct _LV2_External_UI_Host {
    * After this callback is called, UI is defunct. Host must call LV2UI_Descriptor::cleanup().
    * If host wants to make the UI visible again, the UI must be reinstantiated.
    *
-   * @note When using the depreated URI LV2_EXTERNAL_UI_DEPRECATED_URI,
+   * @note When using the deprecated URI LV2_EXTERNAL_UI_DEPRECATED_URI,
    *       some hosts will not call LV2UI_Descriptor::cleanup() as they should,
    *       and may call show() again without re-initialization.
    *

src/export/ExportCL.cpp

@@ -545,7 +545,7 @@ ProgressResult ExportCL::Export(AudacityProject *project,
             mixed = mixer->GetBuffer();
             numBytes = numSamples * channels;
 
-            // Byte-swapping is neccesary on big-endian machines, since
+            // Byte-swapping is necessary on big-endian machines, since
             // WAV files are little-endian
 #if wxBYTE_ORDER == wxBIG_ENDIAN
             float *buffer = (float *) mixed;

src/export/ExportFFmpeg.cpp

@@ -101,10 +101,10 @@ public:
    /// Callback, called from GetFilename
    bool CheckFileName(wxFileName &filename, int format = 0) override;
 
-   /// Format intialization
+   /// Format initialization
    bool Init(const char *shortname, AudacityProject *project, const Tags *metadata, int subformat);
 
-   /// Codec intialization
+   /// Codec initialization
    bool InitCodecs(AudacityProject *project);
 
    /// Writes metadata
@@ -140,7 +140,7 @@ public:
    ///\param mixerSpec mixer
    ///\param metadata tags to write into file
    ///\param subformat index of export type
-   ///\return true if export succeded
+   ///\return true if export succeeded
    ProgressResult Export(AudacityProject *project,
       std::unique_ptr<ProgressDialog> &pDialog,
       unsigned channels,
@@ -503,7 +503,7 @@ bool ExportFFmpeg::InitCodecs(AudacityProject *project)
       mEncAudioCodecCtx->compression_level = gPrefs->Read(wxT("/FileFormats/FFmpegCompLevel"),-1);
       mEncAudioCodecCtx->frame_size = gPrefs->Read(wxT("/FileFormats/FFmpegFrameSize"),(long)0);
 
-//FIXME The list of supported options for the seleced encoder should be extracted instead of a few hardcoded
+//FIXME The list of supported options for the selected encoder should be extracted instead of a few hardcoded
       set_dict_int(&options, "lpc_coeff_precision",     gPrefs->Read(wxT("/FileFormats/FFmpegLPCCoefPrec"),(long)0));
       set_dict_int(&options, "min_prediction_order",    gPrefs->Read(wxT("/FileFormats/FFmpegMinPredOrder"),(long)-1));
       set_dict_int(&options, "max_prediction_order",    gPrefs->Read(wxT("/FileFormats/FFmpegMaxPredOrder"),(long)-1));

src/export/ExportFFmpegDialogs.h

@@ -300,25 +300,25 @@ private:
    /// Finds the codec currently selected and returns it's name and description
    void FindSelectedCodec(wxString **name, wxString **longname);
 
-   /// Retreives format list from libavformat
+   /// Retrieves format list from libavformat
    void FetchFormatList();
 
-   /// Retreives a list of formats compatible to codec
+   /// Retrieves a list of formats compatible to codec
    ///\param id Codec ID
    ///\param selfmt format selected at the moment
    ///\return index of the selfmt in NEW format list or -1 if it is not in the list
    int FetchCompatibleFormatList(AVCodecID id, wxString *selfmt);
 
-   /// Retreives codec list from libavcodec
+   /// Retrieves codec list from libavcodec
    void FetchCodecList();
 
-   /// Retreives a list of codecs compatible to format
+   /// Retrieves a list of codecs compatible to format
    ///\param fmt Format short name
    ///\param id id of the codec selected at the moment
    ///\return index of the id in NEW codec list or -1 if it is not in the list
    int FetchCompatibleCodecList(const wxChar *fmt, AVCodecID id);
 
-   /// Retreives list of presets from configuration file
+   /// Retrieves list of presets from configuration file
    void FetchPresetList();
 
    bool ReportIfBadCombination();

src/export/ExportMP3.cpp

@@ -11,7 +11,7 @@
 
   The difficulty in our approach is that we are attempting to use LAME
   in a way it was not designed to be used. LAME's API is reasonably
-  consistant, so if we were linking directly against it we could expect
+  consistent, so if we were linking directly against it we could expect
   this code to work with a variety of different LAME versions. However,
   the data structures change from version to version, and so linking
   with one version of the header and dynamically linking against a

src/export/ExportMultiple.cpp

@@ -592,7 +592,7 @@ void ExportMultipleDialog::OnExport(wxCommandEvent& WXUNUSED(event))
          {
             if ((size_t)mFilterIndex == c)
             {  // this is the selected format. Store the plug-in and sub-format
-               // needed to acheive it.
+               // needed to achieve it.
                mPluginIndex = i;
                mSubFormatIndex = j;
                mBook->GetPage(mFilterIndex)->TransferDataFromWindow();
@@ -854,7 +854,7 @@ ProgressResult ExportMultipleDialog::ExportMultipleByLabel(bool byName,
    }
 
    auto ok = ProgressResult::Success;   // did it work?
-   int count = 0; // count the number of sucessful runs
+   int count = 0; // count the number of successful runs
    ExportKit activeSetting;  // pointer to the settings in use for this export
    /* Go round again and do the exporting (so this run is slow but
     * non-interactive) */
@@ -994,7 +994,7 @@ ProgressResult ExportMultipleDialog::ExportMultipleByTrack(bool byName,
    }
    // end of user-interactive data gathering loop, start of export processing
    // loop
-   int count = 0; // count the number of sucessful runs
+   int count = 0; // count the number of successful runs
    ExportKit activeSetting;  // pointer to the settings in use for this export
    std::unique_ptr<ProgressDialog> pDialog;
 

src/export/ExportOGG.cpp

@@ -264,7 +264,7 @@ ProgressResult ExportOGG::Export(AudacityProject *project,
       return ProgressResult::Cancelled;
    }
 
-   // Flushing these headers now guarentees that audio data will
+   // Flushing these headers now guarantees that audio data will
    // start on a NEW page, which apparently makes streaming easier
    while (ogg_stream_flush(&stream, &page)) {
       if ( outFile.Write(page.header, page.header_len).GetLastError() ||

src/import/Import.cpp

@@ -27,7 +27,7 @@ It's defined in Import.h
 *//***************************************************************//**
 
 \class Importer
-\brief Class which actulaly imports the auido, using functions defined
+\brief Class which actualy imports the auido, using functions defined
 in ImportPCM.cpp, ImportMP3.cpp, ImportOGG.cpp, ImportRawData.cpp,
 and ImportLOF.cpp.
 

src/import/Import.h

@@ -147,7 +147,7 @@ public:
    /**
     * Helper function - uses wxStringTokenizer to tokenize
     * @str string and appends string-tokens to a list @list.
-    * @mod deifines tokenizer's behaviour.
+    * @mod defines tokenizer's behaviour.
     */
    void StringToList(wxString &str, wxString &delims, wxArrayString &list, wxStringTokenizerMode mod = wxTOKEN_RET_EMPTY_ALL);
 

src/import/ImportFFmpeg.cpp

@@ -187,7 +187,7 @@ public:
       const FilePath &Filename, AudacityProject*) override;
 };
 
-///! Does acual import, returned by FFmpegImportPlugin::Open
+///! Does actual import, returned by FFmpegImportPlugin::Open
 class FFmpegImportFileHandle final : public ImportFileHandle
 {
 
@@ -430,7 +430,7 @@ bool FFmpegImportFileHandle::InitCodecs()
             continue;
          }
 
-         // Stream is decodeable and it is audio. Add it and its decription to the arrays
+         // Stream is decodeable and it is audio. Add it and its description to the arrays
          int duration = 0;
          if (sc->m_stream->duration > 0)
             duration = sc->m_stream->duration * sc->m_stream->time_base.num / sc->m_stream->time_base.den;
@@ -463,7 +463,7 @@ bool FFmpegImportFileHandle::InitCodecs()
       }
       //for video and unknown streams do nothing
    }
-   //It doesn't really returns false, but GetStreamCount() will return 0 if file is composed entierly of unreadable streams
+   //It doesn't really returns false, but GetStreamCount() will return 0 if file is composed entirely of unreadable streams
    return true;
 }
 
@@ -560,7 +560,7 @@ ProgressResult FFmpegImportFileHandle::Import(TrackFactory *trackFactory,
       }
    }
    // This is the heart of the importing process
-   // The result of Import() to be returend. It will be something other than zero if user canceled or some error appears.
+   // The result of Import() to be returned. It will be something other than zero if user canceled or some error appears.
    auto res = ProgressResult::Success;
 
 #ifdef EXPERIMENTAL_OD_FFMPEG

src/import/ImportFLAC.cpp

@@ -503,7 +503,7 @@ ProgressResult FLACImportFileHandle::Import(TrackFactory *trackFactory,
          mDecoderTask->AddWaveTrack(channel);
          if(moreThanStereo)
          {
-            //if we have 3 more channels, they get imported on seperate tracks, so we add individual tasks for each.
+            //if we have 3 more channels, they get imported on separate tracks, so we add individual tasks for each.
             ODManager::Instance()->AddNewTask(std::move(mDecoderTask));
             mDecoderTask = std::make_unique<ODDecodeFlacTask>(); //TODO: see if we need to use clone to keep the metadata.
          }

src/import/ImportGStreamer.cpp

@@ -666,7 +666,7 @@ GStreamerImportFileHandle::OnPadAdded(GstPad *pad)
    // Link them together
    if (!gst_element_link(c->mConv, c->mSink))
    {
-      WARN(mPipeline.get(), ("OnPadAdded: failed to link autioconvert and appsink"));
+      WARN(mPipeline.get(), ("OnPadAdded: failed to link audioconvert and appsink"));
       return;
    }
 
@@ -1023,7 +1023,7 @@ GStreamerImportFileHandle::Import(TrackFactory *trackFactory,
    // Save track factory pointer
    mTrackFactory = trackFactory;
 
-   // Create the progrress dialog
+   // Create the progress dialog
    CreateProgress();
 
    // Block streams that are to be bypassed

src/import/ImportPCM.cpp

@@ -144,7 +144,7 @@ std::unique_ptr<ImportFileHandle> PCMImportPlugin::Open(
       // still has this bug.
       // This happens in sf_open_fd, which is the very first point of
       // interaction with libsndfile, so the only workaround is to hardcode
-      // ImportPCM to not handle .mp3.  Of couse, this will still fail for mp3s
+      // ImportPCM to not handle .mp3.  Of course, this will still fail for mp3s
       // that are mislabeled with a .wav or other extension.
       // So, in the future we may want to write a simple parser to detect mp3s here.
       return NULL;
@@ -505,7 +505,7 @@ ProgressResult PCMImportFileHandle::Import(TrackFactory *trackFactory,
             computeTask->AddWaveTrack(channel);
             if(moreThanStereo)
             {
-               //if we have 3 more channels, they get imported on seperate tracks, so we add individual tasks for each.
+               //if we have 3 more channels, they get imported on separate tracks, so we add individual tasks for each.
                ODManager::Instance()->AddNewTask(std::move(computeTask));
                computeTask = std::make_unique<ODComputeSummaryTask>();
             }

src/menus/ClipMenus.cpp

@@ -344,7 +344,7 @@ TranslatableString ClipBoundaryMessage(
                First two %s are each replaced with the noun "start"
                or with "end", identifying and end of a clip,
                first and second numbers give the position of those clips in
-               a seqeunce of clips,
+               a sequence of clips,
                last number counts all clips,
                and the last string is the name of the track containing the
                clips.

src/menus/FileMenus.cpp

@@ -123,8 +123,8 @@ void OnOpen(const CommandContext &context )
    ProjectManager::OpenFiles(&project);
 }
 
-// JKC: This is like OnClose, except it emptys the project in place,
-// rather than createing a new empty project (with new toolbars etc).
+// JKC: This is like OnClose, except it empties the project in place,
+// rather than creating a new empty project (with new toolbars etc).
 // It does not test for unsaved changes.
 // It is not in the menus by default.  Its main purpose is/was for 
 // developers checking functionality of ResetProjectToEmpty().

src/menus/TrackMenus.cpp

@@ -407,7 +407,7 @@ class ASAProgress final : public SAProgress {
          mTotalCells = mFrames[0] * mFrames[1];
          work2 = mTotalCells * MATRIX_WORK_UNIT;
          mTotalWork += work2;
-         // arbitarily assume 60 iterations to fit smooth segments and
+         // arbitrarily assume 60 iterations to fit smooth segments and
          // per frame per iteration is SMOOTHING_WORK_UNIT
          if (smoothing) {
             work3 =

src/ondemand/ODManager.cpp

@@ -323,7 +323,7 @@ void ODManager::Init()
 
    //   wxLogDebug(wxT("Initializing ODManager...Creating manager thread"));
    // This is a detached thread, so it deletes itself when it finishes
-   // ... except on Mac where we we don't use wxThread for reasons unexplained
+   // ... except on Mac where we don't use wxThread for reasons unexplained
    ODManagerHelperThread* startThread = safenew ODManagerHelperThread;
 
 //   startThread->SetPriority(0);//default of 50.
@@ -384,7 +384,7 @@ void ODManager::Start()
          mTasksMutex.Lock();
          //detach a NEW thread.
          // This is a detached thread, so it deletes itself when it finishes
-         // ... except on Mac where we we don't use wxThread for reasons unexplained
+         // ... except on Mac where we don't use wxThread for reasons unexplained
          auto thread = safenew ODTaskThread(mTasks[0]);//task);
          //thread->SetPriority(10);//default is 50.
          thread->Create();
@@ -398,7 +398,7 @@ void ODManager::Start()
       }
 
       mCurrentThreadsMutex.Unlock();
-      //use a conditon variable to block here instead of a sleep.
+      //use a condition variable to block here instead of a sleep.
 
       // JKC: If there are no tasks ready to run, or we're paused then
       // we wait for there to be tasks in the queue.
@@ -542,7 +542,7 @@ bool ODManager::MakeWaveTrackDependent(
       return false;
    }
    //then we add dependentTrack to the masterTrack's queue - this will allow future ODScheduling to affect them together.
-   //this sets the NeedODUpdateFlag since we don't want the head task to finish without haven't dealt with the depednent
+   //this sets the NeedODUpdateFlag since we don't want the head task to finish without haven't dealt with the dependent
    masterQueue->MergeWaveTrack(dependentTrack);
 
    //finally remove the dependent track

src/ondemand/ODWaveTrackTaskQueue.cpp

@@ -61,7 +61,7 @@ bool ODWaveTrackTaskQueue::CanMergeWith(ODWaveTrackTaskQueue* otherQueue)
 }
 
 ///add track to the masterTrack's queue - this will allow future ODScheduling to affect them together.
-/// sets the NeedODUpdateFlag since we don't want the head task to finish without haven't dealt with the depednent
+/// sets the NeedODUpdateFlag since we don't want the head task to finish without haven't dealt with the dependent
 ///
 ///@param track the track to bring into the tasks AND tracklist for this queue
 void ODWaveTrackTaskQueue::MergeWaveTrack(

src/ondemand/ODWaveTrackTaskQueue.h

@@ -60,7 +60,7 @@ class ODWaveTrackTaskQueue final
    void MergeWaveTrack( const std::shared_ptr< WaveTrack > &track);
 
 
-   //returns true if the agrument is in the WaveTrack list.
+   //returns true if the argument is in the WaveTrack list.
    bool ContainsWaveTrack(const WaveTrack* track);
 
    ///returns the number of wavetracks in this queue.

src/prefs/DevicePrefs.cpp

@@ -347,7 +347,7 @@ void DevicePrefs::OnDevice(wxCommandEvent & WXUNUSED(event))
       cnt = 16;
    }
 
-   // Place an artifical limit on the number of channels to prevent an
+   // Place an artificial limit on the number of channels to prevent an
    // outrageous number.  I don't know if this is really necessary, but
    // it doesn't hurt.
    if (cnt > 256) {

src/prefs/EffectsPrefs.cpp

@@ -13,7 +13,7 @@
 *******************************************************************//**
 
 \class EffectsPrefs
-\brief A PrefsPanel for general GUI prefernces.
+\brief A PrefsPanel for general GUI preferences.
 
 *//*******************************************************************/
 

src/prefs/KeyConfigPrefs.cpp

@@ -411,7 +411,7 @@ bool KeyConfigPrefs::ContainsIllegalDups(
 // This function tries to add the given shortcuts(keys) "toAdd" 
 // to the already existing shortcuts(keys). Shortcuts are added only if 
 //      1. the shortcut for the operation isn't defined already
-//      2. the added shortcut doesn't create illigal shortcut dublicate
+//      2. the added shortcut doesn't create illegal shortcut duplicate
 // The names of operations for which the second condition was violated 
 // are returned in a single wxString
 TranslatableString KeyConfigPrefs::MergeWithExistingKeys(
@@ -850,7 +850,7 @@ void KeyConfigPrefs::OnViewBy(wxCommandEvent & e)
 bool KeyConfigPrefs::Commit()
 {
    // On the Mac, preferences may be changed without any active
-   // projects.  This means that the CommandManager isn't availabe
+   // projects.  This means that the CommandManager isn't available
    // either.  So we can't attempt to save preferences, otherwise
    // NULL ptr dereferences will happen in ShuttleGui because the
    // radio buttons are never created.  (See Populate() above.)

src/prefs/ThemePrefs.cpp

@@ -141,7 +141,7 @@ void ThemePrefs::PopulateOrExchange(ShuttleGui & S)
 
          // This next button is only provided in Debug mode.
          // It is for developers who are compiling Audacity themselves
-         // and who who wish to generate a NEW ThemeAsCeeCode.h and compile it in.
+         // and who wish to generate a NEW ThemeAsCeeCode.h and compile it in.
 #ifdef __WXDEBUG__
          S.Id(idSaveThemeAsCode).AddButton(Verbatim("Output Sourcery"));
 #endif

src/toolbars/DeviceToolBar.cpp

@@ -71,7 +71,7 @@ static int DeviceToolbarPrefsID()
    return value;
 }
 
-//Standard contructor
+//Standard constructor
 DeviceToolBar::DeviceToolBar( AudacityProject &project )
 : ToolBar( project, DeviceBarID, XO("Device"), wxT("Device"), true )
 {
@@ -469,7 +469,7 @@ void DeviceToolBar::RepositionCombos()
          int w1, h1;
          pParent->GetSize( &w1, &h1 );
          // This Resizer is considerably bigger than the 4px docked version.
-         // It's the diagonal striped resizer, not the veertical bars.
+         // It's the diagonal striped resizer, not the vertical bars.
          int kStripyResizerSize = 15;
          // Grabber AND resizer included.
          w = w1- (kStripyResizerSize + grabberWidth );
@@ -506,7 +506,7 @@ void DeviceToolBar::RepositionCombos()
 
    ratioUnused = 0.995f - (kHostWidthRatio + kInputWidthRatio + kOutputWidthRatio + kChannelsWidthRatio);
    int i = 0;
-   // limit the amount of times we solve contraints to 5
+   // limit the amount of times we solve constraints to 5
    // As we now ask for more than is available, we only do this iteration once.
    while (constrained && ratioUnused > 0.01f && i < 5) {
       i++;

src/toolbars/EditToolBar.cpp

@@ -76,7 +76,7 @@ BEGIN_EVENT_TABLE( EditToolBar, ToolBar )
                       EditToolBar::OnButton )
 END_EVENT_TABLE()
 
-//Standard contructor
+//Standard constructor
 EditToolBar::EditToolBar( AudacityProject &project )
 : ToolBar(project, EditBarID, XO("Edit"), wxT("Edit"))
 {

src/toolbars/MeterToolBar.cpp

@@ -47,7 +47,7 @@ BEGIN_EVENT_TABLE( MeterToolBar, ToolBar )
    EVT_SIZE( MeterToolBar::OnSize )
 END_EVENT_TABLE()
 
-//Standard contructor
+//Standard constructor
 MeterToolBar::MeterToolBar(AudacityProject &project, int type)
 : ToolBar(project, type, XO("Combined Meter"), wxT("CombinedMeter"), true)
 {

src/toolbars/MixerToolBar.cpp

@@ -54,7 +54,7 @@ BEGIN_EVENT_TABLE(MixerToolBar, ToolBar)
    EVT_COMMAND(wxID_ANY, EVT_CAPTURE_KEY, MixerToolBar::OnCaptureKey)
 END_EVENT_TABLE()
 
-//Standard contructor
+//Standard constructor
 MixerToolBar::MixerToolBar( AudacityProject &project )
 : ToolBar(project, MixerBarID, XO("Mixer"), wxT("Mixer"), true)
 {

src/toolbars/ScrubbingToolBar.cpp

@@ -55,7 +55,7 @@ EVT_COMMAND_RANGE( STBFirstButton,
 EVT_IDLE( ScrubbingToolBar::OnIdle )
 END_EVENT_TABLE()
 
-//Standard contructor
+//Standard constructor
 ScrubbingToolBar::ScrubbingToolBar( AudacityProject &project )
 : ToolBar(project, ScrubbingBarID, XO("Scrub"), wxT("Scrub"))
 {

src/toolbars/SelectionBar.cpp

@@ -246,7 +246,7 @@ void SelectionBar::Populate()
       mainSizer->Add(mChoice, 0, wxALIGN_TOP | wxEXPAND | wxRIGHT, 6);
    }
 
-   // Botton row, (mostly time controls)
+   // Button row, (mostly time controls)
    mRateBox = safenew wxComboBox(this, RateID,
                              wxT(""),
                              wxDefaultPosition, wxSize(80, -1));

src/toolbars/ToolBar.cpp

@@ -76,7 +76,7 @@ public:
    virtual ~ToolBarResizer();
 
    // We don't need or want to accept focus.
-   // Note that AcceptsFocusFromKeyboard() is overriden rather than
+   // Note that AcceptsFocusFromKeyboard() is overridden rather than
    // AcceptsFocus(), so that resize can be cancelled by ESC
    bool AcceptsFocusFromKeyboard() const override {return false;}
 
@@ -643,7 +643,7 @@ void ToolBar::Updated()
       // Bug 2120.  Changing the choice also changes the size of the toolbar so
       // we need to update the client size, even if undocked.
       // If modifying/improving this, remember to test both changing the choice,
-      // and clciking on the choice but not actually changing it.
+      // and clicking on the choice but not actually changing it.
       GetParent()->SetClientSize( GetSize() + wxSize( 2,2));
    //wxCommandEvent e( EVT_TOOLBAR_UPDATED, GetId() );
    //GetParent()->GetEventHandler()->AddPendingEvent( e );
@@ -808,7 +808,7 @@ void ToolBar::MakeButtonBackgroundsSmall()
 /// @param eDown             Background for when button is Down.
 /// @param eHilite           Background for when button is Hilit.
 /// @param eStandardUp       Foreground when enabled, up.
-/// @param eStandardDown     Foregrounde when enabled, down.
+/// @param eStandardDown     Foreground when enabled, down.
 /// @param eDisabled         Foreground when disabled.
 /// @param id                Windows Id.
 /// @param placement         Placement position