diff --git a/audio/buffersize.go b/audio/buffersize.go
index 70c469544..9024789f5 100644
--- a/audio/buffersize.go
+++ b/audio/buffersize.go
@@ -18,5 +18,5 @@
 package audio
 
 func (c *Context) bufferSize() int {
-	return c.sampleRate * channelNum * bytesPerSample / 30
+	return c.sampleRate * channelNum * bytesPerSample / 20
 }