As the very long headline says, I'm having problems playing sound from audio that I send over the network via PubNunb . What I am doing is transmitting sound while recording from AudioRecord using this code:
AudioConfig audioConfig = getValidSampleRates(AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT);
buffer = new byte[audioConfig.getBufferSize()];
recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, audioConfig.getSampleSize(), AudioFormat.CHANNEL_IN_MONO, AUDIO_FORMAT, audioConfig.getBufferSize());
The recorded data is sent when the user holds the button down:
private class RecorderRunnable implements Runnable {
@Override
public void run() {
while(mRecording) {
Log.d("RECORDER_STATE", "Recording LOOP");
recorder.read(buffer, 0, buffer.length);
String base64EncodedBuffer = Base64.encodeToString(buffer, Base64.NO_WRAP);
pubnub.publish(MainActivity.CHANNEL_ID, base64EncodedBuffer, new Callback() {
@Override
public void successCallback(String channel, Object message) {
super.successCallback(channel, message);
}
});
}
}
}
To get the code:
@Override
public void successCallback(String channel, final Object message) {
byte[] decodedBase64 = Base64.decode(message.toString(), Base64.NO_WRAP);
speaker.write(decodedBase64, 0, decodedBase64.length);
}
Question:
I get sounds, but I get sounds that are very slow. "Hello" will sound like this: "Hee- * static * -ll- * static * -so"
To eliminate possible reasons, I tried to immediately reproduce a sound similar to this (without a network):
while(mRecording) {
Log.d("RECORDER_STATE", "Recording LOOP");
recorder.read(buffer, 0, buffer.length);
String base64EncodedBuffer = Base64.encodeToString(buffer, Base64.NO_WRAP);
byte[] decodedBase64 = Base64.decode(base64EncodedBuffer, Base64.NO_WRAP);
speaker.write(decodedBase64, 0, decodedBase64.length);
}
(. base64 .)
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: 08/28/2015
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