java录音程序
本人网上收集的两个java录音程序,文章出处不记得了.
程序1:
程序2:
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.TargetDataLine;
public class CopyOfJDKAudioRecorder extends Thread {
// 產生TargetDataLine類別的變數m_targetdataline
static TargetDataLine m_targetdataline;
// 透過TargetDataLine介面(繼承自DataLine)與音效卡溝通 target目標
// 產生AudioFileFormat.Type類別的變數m_targetType Format格式
static AudioFileFormat.Type m_targetType;
// 產生AudioInputStream類別的變數m_audioInputStream stream流
static AudioInputStream m_audioInputStream;
static File m_outputFile;// 產生File類別的變數 m_outputFile
static ByteArrayOutputStream bos = new ByteArrayOutputStream();
static byte[] buf;
static boolean m_bRecording;// 後面需用到布林函數 True,False
public CopyOfJDKAudioRecorder(TargetDataLine line,
AudioFileFormat.Type targetType, File file) {
m_targetdataline = line;
m_audioInputStream = new AudioInputStream(line);
m_targetType = targetType;
m_outputFile = file;
}
public static void AudioRecorder() {
String Filename = "d:/JDKAudioRecord.wav ";
File outputFile = new File(Filename);
// 我們一開始先在主程式裡指定聲音檔的檔名為
// JDKAudioRecorder.wav
// String Filename = "JDKAudioRecord.wav ";
// 接著指定存檔的資料夾,預設存在相同的資料夾
// File outputFile = new File(Filename);
AudioFormat audioFormat = null;
// audioFormat = new
// AudioFormat(AudioFormat.Encoding.PCM_SIGNED,44100.0F, 16, 2, 4,
// 44100.0F, false);
audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100F,
8, 1, 1, 44100F, false);
// 再來設定和取得音效檔的屬性
// audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
// 44100.0F, 16, 2, 4, 44100.0F, false);
DataLine.Info info = new DataLine.Info(TargetDataLine.class,
audioFormat);
TargetDataLine targetDataLine = null;
// 然後透過TargetDataLine介面(繼承自DataLine)與音效卡溝通
// DataLine.Info info = new DataLine.Info(TargetDataLine.class,
// audioFormat);
// 接著做例外處理,當聲音裝置出錯或其他因素導致錄音功能無法被執行時,程式將被終止
try {
targetDataLine = (TargetDataLine) AudioSystem.getLine(info);
targetDataLine.open(audioFormat);// try{ }可能發生例外的敘述
} catch (LineUnavailableException e)// catch{ }處理方法
{
System.out.println("無法錄音,錄音失敗 ");
e.printStackTrace();
System.exit(-1);
}
AudioFileFormat.Type targetType = AudioFileFormat.Type.AU;
CopyOfJDKAudioRecorder recorder = null;
recorder = new CopyOfJDKAudioRecorder(targetDataLine, targetType,
outputFile);
recorder.start();
}
public void start() {
m_targetdataline.start();
super.start();
System.out.println("recording...");
}
public static void stopRecording() {
m_targetdataline.stop();
m_targetdataline.close();
m_bRecording = false;
buf = bos.toByteArray();
System.out.println("stopped.");
}
public void run() {
try {
// AudioSystem.write(m_audioInputStream, m_targetType,
// m_outputFile);
AudioSystem.write(m_audioInputStream, m_targetType, bos);
System.out.println("after write() ");
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String args[]) {
CopyOfJDKAudioRecorder.AudioRecorder();
}
}