mu-law

pi/roverd/config.go

@@ -143,7 +143,7 @@ func LoadConfig(path string) (*Config, error) {
 		Audio: AudioConfig{
 			CaptureEnabled: false,
 			CaptureDevice:  "hw:0,0",
-			SampleRate:     48000,
+			SampleRate:     8000,
 			Channels:       1,
 			Bitrate:        24000,
 			TTSEnabled:     false,
@@ -249,7 +249,7 @@ func validateAudioConfig(cfg *AudioConfig) {
 		cfg.CaptureDevice = "hw:0,0"
 	}
 	if cfg.SampleRate <= 0 {
-		cfg.SampleRate = 48000
+		cfg.SampleRate = 8000
 	}
 	if cfg.Channels <= 0 {
 		cfg.Channels = 1

pi/roverd/media_env.go

@@ -30,7 +30,7 @@ func UpdatePublisherEnv(media MediaConfig, audio AudioConfig) error {
 		audioDevice = "hw:0,0"
 	}
 	if audio.SampleRate <= 0 {
-		audio.SampleRate = 48000
+		audio.SampleRate = 8000
 	}
 	if audio.Channels <= 0 {
 		audio.Channels = 1

pi/roverd/roverd.sample.yaml

@@ -40,7 +40,7 @@ cameraServo:
 audio:
   captureEnabled: false
   captureDevice: hw:0,0
-  sampleRate: 48000
+  sampleRate: 8000
   channels: 1
   bitrate: 24000
   ttsEnabled: false