java声音数字化

public class RecordAndPlay {
    volatile int divider;
    public RecordAndPlay(){
        Play();
    }
    public static void main(String[] args) {
        new RecordAndPlay();
    }
    //播放音频文件
    public void Play() {
 
        try {
            AudioFormat audioFormat =
//                    new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100F,
//                    8, 1, 1, 44100F, false);
             new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,44100F, 16, 2, 4,
             44100F, true);
            DataLine.Info info = new DataLine.Info(TargetDataLine.class,
                    audioFormat);
            TargetDataLine targetDataLine = (TargetDataLine) AudioSystem.getLine(info);
            targetDataLine.open(audioFormat);
            SourceDataLine sourceDataLine;
            info = new DataLine.Info(SourceDataLine.class, audioFormat);
            sourceDataLine = (SourceDataLine) AudioSystem.getLine(info);
            sourceDataLine.open(audioFormat);
            targetDataLine.start();
            sourceDataLine.start();
            FloatControl fc=(FloatControl)sourceDataLine.getControl(FloatControl.Type.MASTER_GAIN);
            double value=0.05;
            float dB = (float)(Math.log(value==0.0?0.0001:value)/Math.log(10.0)*20.0);
            fc.setValue(dB);
            int nByte = 0;
            final int bufSize=1024;
            byte[] buffer = new byte[bufSize];
          
            OutputStream out = new ByteArrayOutputStream();
            String s= new String(buffer);
            int n = 10;
            int num = 0;
            while (nByte != -1) {
    
                nByte = targetDataLine.read(buffer, 0, bufSize);
             s = new String(buffer);
                sourceDataLine.write(buffer, 0, nByte);
                if(num%n==0)
                System.out.println("   "+(int)s.hashCode()/10000);
                num++;
            }
            sourceDataLine.stop();
            out.close();
 
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}