麦克风测试程序

最新推荐文章于 2025-05-27 09:52:58 发布

wujiang_android

最新推荐文章于 2025-05-27 09:52:58 发布

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分类专栏： android

本文链接：https://blog.youkuaiyun.com/wujiang_android/article/details/81460311

MicropRunnable.java:

import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioRecord;
import android.media.AudioTrack;
import android.media.MediaRecorder;

public class MicropRunnable implements Runnable {
   // 是否录放的标记
   boolean isRecording = false;
   static final int frequency = 44100;

   @SuppressWarnings("deprecation")
   static final int channelConfiguration = AudioFormat.CHANNEL_CONFIGURATION_MONO;
   static final int audioEncoding = AudioFormat.ENCODING_PCM_16BIT;

// 定义录放音缓冲区大小
int recBufSize, playBufSize;

// 实例化录音对象
AudioRecord audioRecord;

// 实例化播放对象
AudioTrack audioTrack;

   public MicropRunnable() {
       // 调用getMinBufferSize方法获得录音的最小缓冲空间
       recBufSize = AudioRecord.getMinBufferSize(frequency, channelConfiguration, audioEncoding);

// 调用getMinBufferSize方法获得放音最小的缓冲区大小
playBufSize = AudioTrack.getMinBuffer