Finally tracked down and fixed the problems with buffers.

gumble/gumble/audio_buffer_test.go

@@ -36,6 +36,13 @@ func TestAudioBufferCount(t *testing.T) {
 	}
 }
 
+func TestDefaultAudioBufferCountPreservesStablePlaybackCapacity(t *testing.T) {
+	config := NewConfig()
+	if got := config.AudioBufferCount(); got != 64 {
+		t.Fatalf("default AudioBufferCount() = %d, want 64", got)
+	}
+}
+
 func TestAudioListenerStreamBufferingAndCleanup(t *testing.T) {
 	var listeners AudioListeners
 	events := make(chan *AudioStreamEvent, 1)

gumble/gumble/config.go

@@ -40,7 +40,7 @@ const AudioMinimumBufferCount = 3
 // NewConfig returns a new Config struct with default values set.
 func NewConfig() *Config {
 	return &Config{
-		Buffers:        8,
+		Buffers:        64,
 		AudioInterval:  AudioDefaultInterval,
 		AudioDataBytes: AudioDefaultDataBytes,
 	}