Sound Recording using Java

import javax.sound.sampled.*; import java.io.*; public class JavaSoundRecorder { static final long RECORD_TIME = 60000; File wavFile = new File("D:/RecordAudio.wav"); AudioFileFormat.Type fileType = AudioFileFormat.Type.WAVE; TargetDataLine line; AudioFormat getAudioFormat() { float sampleRate = 16000; int sampleSizeInBits = 8; int channels = 2; boolean signed = true; boolean bigEndian = true; AudioFormat format = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian); return format; } void start() { try { AudioFormat format = getAudioFormat(); DataLine.Info info = new DataLine.Info(TargetDataLine.class, format); if (!AudioSystem.isLineSupported(info)) { System.out.println("Line not supported"); System.exit(0); } line = (TargetDataLine) AudioSystem.getLine(info); line.open(format); line.start(); System.out.println("Start capturing..."); AudioInputStream ais = new AudioInputStream(line); System.out.println("Start recording..."); AudioSystem.write(ais, fileType, wavFile); } catch (LineUnavailableException ex) { ex.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } void finish() { line.stop(); line.close(); System.out.println("Finished"); } public static void main(String[] args) { final JavaSoundRecorder recorder = new JavaSoundRecorder(); Thread stopper = new Thread(new Runnable() { public void run() { try { Thread.sleep(RECORD_TIME); } catch (InterruptedException ex) { ex.printStackTrace(); } recorder.finish(); } }); stopper.start(); recorder.start(); } }

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