gwydion: tweak PulseAudio sample rate and format

home/jez/machines/gwydion.nix

@@ -12,6 +12,7 @@ in {
       audio_output {
         type "pulse"
         name "Shared output (pulseaudio)"
+        format "96000:32:*"
       }
 
       audio_output {

machines/gwydion.nix

@@ -37,6 +37,12 @@
     21   # ftp
   ];
 
+  hardware.pulseaudio.daemon.config = {
+    default-sample-rate = "192000";
+    alternate-sample-rate = "96000";
+    avoid-resampling = "yes";
+  };
+
   services.vsftpd = {
     enable = true;
     localUsers = true;