[Nooob]

Sound ByteArray -> mp3
http://code.google.com/p/tonfall/
https://github.com/kikko/Shine-MP3-E...eMP3Encoder.as

import org.bytearray.micrecorder.encoder.*;
import org.as3wavsound.*;
import fr.kikko.lab.ShineMP3Encoder;
 
function encoderSoundMp3(inputBytes:ByteArray):void
{
	inputBytes.position = 0;
 
	var waveEncoder:IEncoder = new WaveEncoder();
	var outputBytes:ByteArray = waveEncoder.encode(inputBytes,2);
 
	var mp3Encoder = new ShineMP3Encoder(outputBytes);
	mp3Encoder.addEventListener(Event.COMPLETE, mp3EncodeComplete);
	mp3Encoder.start();
}
 
function mp3EncodeComplete(event:Event):void
{
	(e.target as ShineMP3Encoder).saveAs();
}