android-将录音保存在缓冲区中,稍后再播放
我试图在不保存声音文件的情况下录制,我使用AudioRecord将录制的声音保存在缓冲区中,并使用AudioTrack在点击“播放”按钮后播放声音 这是我的应用程序源代码android-将录音保存在缓冲区中,稍后再播放,android,Android,我试图在不保存声音文件的情况下录制,我使用AudioRecord将录制的声音保存在缓冲区中,并使用AudioTrack在点击“播放”按钮后播放声音 这是我的应用程序源代码 package com.stackoverflow.sofproject; import java.io.IOException; import android.media.AudioFormat; import android.media.AudioManager; import android.media.AudioR
package com.stackoverflow.sofproject;
import java.io.IOException;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioRecord;
import android.media.AudioTrack;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.app.Activity;
public class MainActivity extends Activity {
boolean recorder = true;
AudioRecord ar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final int minSize = AudioRecord.getMinBufferSize(8000,AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT);
ar = new AudioRecord(MediaRecorder.AudioSource.MIC,
8000,AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT,minSize);
final short[] buffer = new short[minSize];
ar.startRecording();
Log.e("SoundRecordingActivity", "Start record !");
Thread Rthread = new Thread(new Runnable() {
public void run() {
while(recorder)
{
ar.read(buffer, 0, minSize);
}
}
});
Rthread.start();
}
public void stopRecordButtonAndPlayBack(){
ar.stop();
recorder = false;
Log.e("SoundRecordingActivity", "Stop record !");
// play sound
int minSize = AudioRecord.getMinBufferSize(8000,AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT);
ar = new AudioRecord(MediaRecorder.AudioSource.MIC,
8000,AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT,minSize);
AudioTrack audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
8000,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT,
minSize,
AudioTrack.MODE_STREAM);
audioTrack.play();
while (true) {
audioTrack.write(buffer, 0, minSize);
}
}
}
录音效果很好
当我录制播放按钮(StopRecordButton和Playback)时,应用程序强制关闭
问题不在按钮与StopRecordButton和Playback之间的链接中
如何将缓冲区作为声音播放的问题
抱歉,我的英语不好发布日志,显示崩溃的堆栈跟踪。