我正在尝试录制音频＆amp;存储到SD卡以及发送到服务器。当我试图播放录制的声音时，但不是我录制的。如果我录制语音10分钟，它将播放4分钟，即有人按下快进按钮并发出一些嘈杂的声音。我没有得到我错的地方。任何人都可以说我如何解决这个问题（应该播放我记录了多少，即记录10分钟然后应该只播放10分钟）。
这是代码..抱歉发布批量代码..
public class Audio_Call extends Activity {
private static final int RECORDER_BPP = 16;
private static final String AUDIO_RECORDER_FILE_EXT_WAV = "AudioRecorder.wav";
private static final String AUDIO_RECORDER_FOLDER = "AudioRecorder";
private static final String AUDIO_RECORDER_TEMP_FILE = "record_temp.raw";
private static final int RECORDER_SAMPLERATE = 8000;
private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_IN_MONO;
private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT;
private AudioRecord recorder = null;
// private int bufferSize = 200000;
private int bufferSize = 0;
short[] buffer;
private Thread recordingThread = null;
private boolean isRecording = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.audio_call);
setButtonHandlers();
enableButtons(false);
bufferSize = AudioRecord.getMinBufferSize(RECORDER_SAMPLERATE,
RECORDER_CHANNELS, RECORDER_AUDIO_ENCODING);
}
private void setButtonHandlers() {
((Button) findViewById(R.id.btnStart)).setOnClickListener(btnClick);
((Button) findViewById(R.id.btnStop)).setOnClickListener(btnClick);
}
private void enableButton(int id, boolean isEnable) {
((Button) findViewById(id)).setEnabled(isEnable);
}
private void enableButtons(boolean isRecording) {
enableButton(R.id.btnStart, !isRecording);
enableButton(R.id.btnStop, isRecording);
}
// stores the file into the SDCARD
private String getFilename() {
System.out.println("---3---");
String filepath = Environment.getExternalStorageDirectory().getPath();
File file = new File(filepath, AUDIO_RECORDER_FOLDER);
if (!file.exists()) {
file.mkdirs();
}
return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_FILE_EXT_WAV);
}
// stores the file into the SDCARD
private String getTempFilename() {
// Creates the temp file to store buffer
System.out.println("---4-1--");
String filepath = Environment.getExternalStorageDirectory().getPath();
System.out.println("---4-2--");
File file = new File(filepath, AUDIO_RECORDER_FOLDER);
System.out.println("---4-3--");
if (!file.exists()) {
file.mkdirs();
}
File tempFile = new File(filepath, AUDIO_RECORDER_TEMP_FILE);
System.out.println("---4-4--");
if (tempFile.exists())
tempFile.delete();
System.out.println("---4-5--");
return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_TEMP_FILE);
}
private void startRecording() {
int buffercount = 4088 / bufferSize;
if (buffercount < 1)
buffercount = 1;
recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
RECORDER_SAMPLERATE, RECORDER_CHANNELS,
RECORDER_AUDIO_ENCODING, bufferSize * buffercount);
buffer = new short[4088];
recorder.startRecording();
isRecording = true;
recordingThread = new Thread(new Runnable() {
@Override
public void run() {
writeAudioDataToFile();
}
}, "AudioRecorder Thread");
recordingThread.start();
}
private void writeAudioDataToFile() {
// Write the output audio in byte
byte data[] = new byte[bufferSize];
String filename = getTempFilename();
//
FileOutputStream os = null;
//
try {
//
os = new FileOutputStream(filename);
//
} catch (FileNotFoundException e) {
e.printStackTrace();
}
int read = 0;
// if (null != os) {
while (isRecording) {
// gets the voice output from microphone to byte format
recorder.read(buffer, 0, buffer.length);
// read = recorder.read(data, 0, 6144);
if (AudioRecord.ERROR_INVALID_OPERATION != read) {
try {
// // writes the data to file from buffer
// // stores the voice buffer
// short[] shorts = new short[bytes.length/2];
// to turn bytes to shorts as either big endian or little
// endian.
// ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer().get(shorts);
// to turn shorts back to bytes.
byte[] bytes2 = new byte[buffer.length * 2];
ByteBuffer.wrap(bytes2).order(ByteOrder.LITTLE_ENDIAN)
.asShortBuffer().put(buffer);
os.write(bytes2);
SendAudio(buffer);
} catch (IOException e) {
e.printStackTrace();
}
}
}
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// }
private void stopRecording() {
// stops the recording activity
if (null != recorder) {
isRecording = false;
recorder.stop();
recorder.release();
recorder = null;
recordingThread = null;
}
// copy the recorded file to original copy & delete the recorded copy
copyWaveFile(getTempFilename(), getFilename());
deleteTempFile();
}
private void deleteTempFile() {
File file = new File(getTempFilename());
file.delete();
}
private void copyWaveFile(String inFilename, String outFilename) {
System.out.println("---8---");
FileInputStream in = null;
FileOutputStream out = null;
long totalAudioLen = 0;
long totalDataLen = totalAudioLen + 36;
long longSampleRate = RECORDER_SAMPLERATE;
int channels = 2;
long byteRate = RECORDER_BPP * RECORDER_SAMPLERATE * channels / 8;
byte[] data = new byte[bufferSize];
try {
in = new FileInputStream(inFilename);
out = new FileOutputStream(outFilename);
totalAudioLen = in.getChannel().size();
totalDataLen = totalAudioLen + 36;
AppLog.logString("File size: " + totalDataLen);
WriteWaveFileHeader(out, totalAudioLen, totalDataLen,
longSampleRate, channels, byteRate);
byte[] bytes2 = new byte[buffer.length * 2];
ByteBuffer.wrap(bytes2).order(ByteOrder.LITTLE_ENDIAN)
.asShortBuffer().put(buffer);
while (in.read(bytes2) != -1) {
out.write(bytes2);
}
in.close();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen,
long totalDataLen, long longSampleRate, int channels, long byteRate)
throws IOException {
System.out.println("---9---");
byte[] header = new byte[4088];
header[0] = 'R'; // RIFF/WAVE header
header[1] = 'I';
header[2] = 'F';
header[3] = 'F';
header[4] = (byte) (totalDataLen & 0xff);
header[5] = (byte) ((totalDataLen >> 8) & 0xff);
header[6] = (byte) ((totalDataLen >> 16) & 0xff);
header[7] = (byte) ((totalDataLen >> 24) & 0xff);
header[8] = 'W';
header[9] = 'A';
header[10] = 'V';
header[11] = 'E';
header[12] = 'f'; // 'fmt ' chunk
header[13] = 'm';
header[14] = 't';
header[15] = ' ';
header[16] = 16; // 4 bytes: size of 'fmt ' chunk
header[17] = 0;
header[18] = 0;
header[19] = 0;
header[20] = 1; // format = 1
header[21] = 0;
header[22] = (byte) channels;
header[23] = 0;
header[24] = (byte) (longSampleRate & 0xff);
header[25] = (byte) ((longSampleRate >> 8) & 0xff);
header[26] = (byte) ((longSampleRate >> 16) & 0xff);
header[27] = (byte) ((longSampleRate >> 24) & 0xff);
header[28] = (byte) (byteRate & 0xff);
header[29] = (byte) ((byteRate >> 8) & 0xff);
header[30] = (byte) ((byteRate >> 16) & 0xff);
header[31] = (byte) ((byteRate >> 24) & 0xff);
header[32] = (byte) (2 * 16 / 8); // block align
header[33] = 0;
header[34] = RECORDER_BPP; // bits per sample
header[35] = 0;
header[36] = 'd';
header[37] = 'a';
header[38] = 't';
header[39] = 'a';
header[40] = (byte) (totalAudioLen & 0xff);
header[41] = (byte) ((totalAudioLen >> 8) & 0xff);
header[42] = (byte) ((totalAudioLen >> 16) & 0xff);
header[43] = (byte) ((totalAudioLen >> 24) & 0xff);
out.write(header, 0, 4088);
}
private View.OnClickListener btnClick = new View.OnClickListener() {
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btnStart: {
AppLog.logString("Start Recording");
enableButtons(true);
startRecording();
break;
}
case R.id.btnStop: {
AppLog.logString("Stop Recording");
enableButtons(false);
stopRecording();
break;
}
}
}
};
public void SendAudio(final short data[]) {
Thread thrd = new Thread(new Runnable() {
String LOG_TAG = null;
long SAMPLE_INTERVAL = 10;
@Override
public void run() {
Log.e(LOG_TAG, "start send thread, thread id: ");
long file_size = 0;
int bytes_read = 0;
int bytes_count = 0;
// byte[] buf = new byte[bufferSize];
// buf = data;
try {
// byte [] b = "192.168.1.40".getBytes();
byte[] b = new byte[] { (byte) 192, (byte) 168, (byte) 1,
(byte) 39 };
InetAddress addr = InetAddress.getLocalHost();
InetAddress addr1 = InetAddress.getByAddress(b);
HttpClient httpclient = new DefaultHttpClient();
ServerUrl url = new ServerUrl();
String url_page = ServerUrl.url_audio;
// String value = new String(buf);
// System.out.println("mmdata--------- " + value);
HttpPost httppost = new HttpPost(url_page);
// Unix time stamp
long unixTime = System.currentTimeMillis() / 1000L;
String timestamp = String.valueOf(unixTime);
// Json Format
JSONObject holder = new JSONObject();
JSONArray jArray = new JSONArray();
try {
holder.put("UserId", "1");
holder.put("Timestamp", timestamp);
// holder.put("length", value.length());
for (int i = 0; i < buffer.length; i++) {
jArray.put(i, buffer[i]);
}
holder.put("MMData", jArray);
System.out.println("ARRAYYYY" + jArray);
} catch (JSONException e1) {
e1.printStackTrace();
}
try {
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(
2);
nameValuePairs.add(new BasicNameValuePair("MMData",
jArray.toString()));
httppost.setEntity(new UrlEncodedFormEntity(
nameValuePairs));
StringEntity se = new StringEntity(jArray.toString());
se.setContentType(new BasicHeader(HTTP.CONTENT_TYPE,
"application/json"));
httppost.setEntity(se);
HttpResponse response = httpclient.execute(httppost);
} catch (ClientProtocolException e) {
System.out.println("-------13");
e.printStackTrace();
} catch (IOException e) {
System.out.println("-------14");
e.printStackTrace();
} catch (Exception e) {
System.out.println("-------15");
System.out.println("Exception");
e.printStackTrace();
}
bytes_count += bytes_read;
Log.d(LOG_TAG, "bytes_count : " + bytes_count);
Thread.sleep(SAMPLE_INTERVAL, 0);
} catch (InterruptedException ie) {
Log.e(LOG_TAG, "InterruptedException");
} catch (UnknownHostException uhe) {
Log.e(LOG_TAG, "UnknownHostException");
} catch (IOException ie) {
Log.e(LOG_TAG, "IOException");
}
} // end run
});
thrd.start();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
}
return super.onKeyDown(keyCode, event);
}
}
帮助将不胜感激..我已经对此进行了搜索，但是得到了正确的解决方案..我正在尝试所有其他可能性但没有成功。
非常感谢
答案 0 :(得分：7)
我得到了解决方案..这是我的代码
public class Audio_Record extends Activity {
private static final int RECORDER_SAMPLERATE = 8000;
private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_IN_MONO;
private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT;
private AudioRecord recorder = null;
private Thread recordingThread = null;
private boolean isRecording = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setButtonHandlers();
enableButtons(false);
int bufferSize = AudioRecord.getMinBufferSize(RECORDER_SAMPLERATE,
RECORDER_CHANNELS, RECORDER_AUDIO_ENCODING);
System.out.println("BUFFER SIZE VALUE IS " + bufferSize);
}
private void setButtonHandlers() {
((Button) findViewById(R.id.btnStart)).setOnClickListener(btnClick);
((Button) findViewById(R.id.btnStop)).setOnClickListener(btnClick);
}
private void enableButton(int id, boolean isEnable) {
((Button) findViewById(id)).setEnabled(isEnable);
}
private void enableButtons(boolean isRecording) {
enableButton(R.id.btnStart, !isRecording);
enableButton(R.id.btnStop, isRecording);
}
int BufferElements2Rec = 1024; // want to play 2048 (2K) since 2 bytes we
// use only 1024
int BytesPerElement = 2; // 2 bytes in 16bit format
private void startRecording() {
recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
RECORDER_SAMPLERATE, RECORDER_CHANNELS,
RECORDER_AUDIO_ENCODING, BufferElements2Rec * BytesPerElement);
recorder.startRecording();
isRecording = true;
recordingThread = new Thread(new Runnable() {
public void run() {
writeAudioDataToFile();
}
}, "AudioRecorder Thread");
recordingThread.start();
}
private byte[] short2byte(short[] sData) {
int shortArrsize = sData.length;
byte[] bytes = new byte[shortArrsize * 2];
for (int i = 0; i < shortArrsize; i++) {
bytes[i * 2] = (byte) (sData[i] & 0x00FF);
bytes[(i * 2) + 1] = (byte) (sData[i] >> 8);
sData[i] = 0;
}
return bytes;
}
private void writeAudioDataToFile() {
// Write the output audio in byte
String filePath = "/sdcard/voice8K16bitmono.pcm";
short sData[] = new short[BufferElements2Rec];
FileOutputStream os = null;
try {
os = new FileOutputStream(filePath);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
while (isRecording) {
// gets the voice output from microphone to byte format
recorder.read(sData, 0, BufferElements2Rec);
System.out.println("Short wirting to file" + sData.toString());
try {
// // writes the data to file from buffer
// // stores the voice buffer
byte bData[] = short2byte(sData);
os.write(bData, 0, BufferElements2Rec * BytesPerElement);
} catch (IOException e) {
e.printStackTrace();
}
}
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private void stopRecording() {
// stops the recording activity
if (null != recorder) {
isRecording = false;
recorder.stop();
recorder.release();
recorder = null;
recordingThread = null;
}
}
private View.OnClickListener btnClick = new View.OnClickListener() {
public void onClick(View v) {
switch (v.getId()) {
case R.id.btnStart: {
enableButtons(true);
startRecording();
break;
}
case R.id.btnStop: {
enableButtons(false);
stopRecording();
break;
}
}
}
};
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
}
return super.onKeyDown(keyCode, event);
}
}
答案 1 :(得分：5)
我在为自己实现这个方面遇到了很多麻烦。我做了很多上面所说的事情。我将它实现为它自己的一个名为Recorder的类（并在所有上述'修复'以及其他一些调整中进行了实现）。我希望我的代码可以帮助别人节省我为此付出的那么多时间：
public class Recorder {
//Begin private fields for this class
private AudioRecord recorder;
private static final int RECORDER_BPP = 16;
private static final String AUDIO_RECORDER_FILE_EXT_WAV = "AudioRecorder.wav";
private static final String AUDIO_RECORDER_FOLDER = "AudioRecorder";
private static final String AUDIO_RECORDER_TEMP_FILE = "record_temp.raw";
private static final int RECORDER_SAMPLERATE = 8000;
private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_IN_MONO;
private static final int RECORDER_CHANNELS_INT = 1;
private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT;
private int bufferSize = 200000;
short[] buffer;
private Thread recordingThread = null;
private boolean isRecording = false;
//Constructor
Recorder(String uniquename)
{
//Initilize our recorder object
/*recorder = new AudioRecord(
MediaRecorder.AudioSource.MIC,
44100,
AudioFormat.CHANNEL_IN_MONO,
AudioFormat.ENCODING_PCM_16BIT,
AudioRecord.getMinBufferSize(44100,AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT)
);
*/
int bufferSize = AudioRecord.getMinBufferSize(RECORDER_SAMPLERATE,
RECORDER_CHANNELS, RECORDER_AUDIO_ENCODING);
System.out.println("BUFFER SIZE VALUE IS " + bufferSize);
int buffercount = 4088 / bufferSize;
if (buffercount < 1)
buffercount = 1;
recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
RECORDER_SAMPLERATE, RECORDER_CHANNELS,
RECORDER_AUDIO_ENCODING, 44100);
//recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
//recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
//recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
}
public void start() throws IllegalStateException, IOException
{
buffer = new short[4088];
recorder.startRecording();
isRecording = true;
recordingThread = new Thread(new Runnable()
{
@Override
public void run() {
writeAudioDataToFile();
}
}, "AudioRecorder Thread");
recordingThread.start();
}
public void stop()
{
System.out.println("Told to stop");
stopRecording();
}
public boolean isRecording()
{
if(recorder.getRecordingState() == AudioRecord.RECORDSTATE_RECORDING)
return true;
else
return false;
}
private void stopRecording() {
// stops the recording activity
if (null != recorder) {
isRecording = false;
recorder.stop();
recorder.release();
recorder = null;
recordingThread = null;}
// copy the recorded file to original copy & delete the recorded copy
copyWaveFile(getTempFilename(), getFilename());
deleteTempFile();
} // stores the file into the SDCARD
private String getFilename() {
System.out.println("---3---");
String filepath = Environment.getExternalStorageDirectory().getPath();
File file = new File(filepath, AUDIO_RECORDER_FOLDER);
if (!file.exists()) {
file.mkdirs();
}
return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_FILE_EXT_WAV);
}
private void deleteTempFile() {
File file = new File(getTempFilename());
file.delete();
}
private void copyWaveFile(String inFilename, String outFilename) {
System.out.println("---8---");
FileInputStream in = null;
FileOutputStream out = null;
long totalAudioLen = 0;
long totalDataLen = totalAudioLen + 36;
long longSampleRate = RECORDER_SAMPLERATE;
int channels = RECORDER_CHANNELS_INT;
long byteRate = RECORDER_BPP * RECORDER_SAMPLERATE * channels / 8;
byte[] data = new byte[bufferSize];
try {
in = new FileInputStream(inFilename);
out = new FileOutputStream(outFilename);
totalAudioLen = in.getChannel().size();
totalDataLen = totalAudioLen + 36;
Controller.doDoc("File size: " + totalDataLen, 4);
WriteWaveFileHeader(out, totalAudioLen, totalDataLen,
longSampleRate, channels, byteRate);
byte[] bytes2 = new byte[buffer.length * 2];
ByteBuffer.wrap(bytes2).order(ByteOrder.LITTLE_ENDIAN)
.asShortBuffer().put(buffer);
while (in.read(bytes2) != -1) {
out.write(bytes2);
}
in.close();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// stores the file into the SDCARD
private String getTempFilename() {
// Creates the temp file to store buffer
System.out.println("---4-1--");
String filepath = Environment.getExternalStorageDirectory().getPath();
System.out.println("---4-2--");
File file = new File(filepath, AUDIO_RECORDER_FOLDER);
System.out.println("---4-3--");
if (!file.exists()) {
file.mkdirs();
}
File tempFile = new File(filepath, AUDIO_RECORDER_TEMP_FILE);
System.out.println("---4-4--");
if (tempFile.exists())
tempFile.delete();
System.out.println("---4-5--");
return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_TEMP_FILE);
}
private void writeAudioDataToFile() {
// Write the output audio in byte
byte data[] = new byte[bufferSize];
String filename = getTempFilename();
//
FileOutputStream os = null;
//
try {
//
os = new FileOutputStream(filename);
//
} catch (FileNotFoundException e) {
e.printStackTrace();
}
int read = 0;
// if (null != os) {
while (isRecording) {
// gets the voice output from microphone to byte format
recorder.read(buffer, 0, buffer.length);
// read = recorder.read(data, 0, 6144);
if (AudioRecord.ERROR_INVALID_OPERATION != read) {
try {
// // writes the data to file from buffer
// // stores the voice buffer
// short[] shorts = new short[bytes.length/2];
// to turn bytes to shorts as either big endian or little
// endian.
// ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer().get(shorts);
// to turn shorts back to bytes.
byte[] bytes2 = new byte[buffer.length * 2];
ByteBuffer.wrap(bytes2).order(ByteOrder.LITTLE_ENDIAN)
.asShortBuffer().put(buffer);
os.write(bytes2);
// ServerInteractor.SendAudio(buffer);
} catch (IOException e) {
e.printStackTrace();
}
}
}
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen,
long totalDataLen, long longSampleRate, int channels, long byteRate)
throws IOException {
System.out.println("---9---");
byte[] header = new byte[4088];
header[0] = 'R'; // RIFF/WAVE header
header[1] = 'I';
header[2] = 'F';
header[3] = 'F';
header[4] = (byte) (totalDataLen & 0xff);
header[5] = (byte) ((totalDataLen >> 8) & 0xff);
header[6] = (byte) ((totalDataLen >> 16) & 0xff);
header[7] = (byte) ((totalDataLen >> 24) & 0xff);
header[8] = 'W';
header[9] = 'A';
header[10] = 'V';
header[11] = 'E';
header[12] = 'f'; // 'fmt ' chunk
header[13] = 'm';
header[14] = 't';
header[15] = ' ';
header[16] = 16; // 4 bytes: size of 'fmt ' chunk
header[17] = 0;
header[18] = 0;
header[19] = 0;
header[20] = 1; // format = 1
header[21] = 0;
header[22] = (byte) RECORDER_CHANNELS_INT;
header[23] = 0;
header[24] = (byte) (longSampleRate & 0xff);
header[25] = (byte) ((longSampleRate >> 8) & 0xff);
header[26] = (byte) ((longSampleRate >> 16) & 0xff);
header[27] = (byte) ((longSampleRate >> 24) & 0xff);
header[28] = (byte) (byteRate & 0xff);
header[29] = (byte) ((byteRate >> 8) & 0xff);
header[30] = (byte) ((byteRate >> 16) & 0xff);
header[31] = (byte) ((byteRate >> 24) & 0xff);
header[32] = (byte) (RECORDER_CHANNELS_INT * RECORDER_BPP / 8); // block align
header[33] = 0;
header[34] = RECORDER_BPP; // bits per sample
header[35] = 0;
header[36] = 'd';
header[37] = 'a';
header[38] = 't';
header[39] = 'a';
header[40] = (byte) (totalAudioLen & 0xff);
header[41] = (byte) ((totalAudioLen >> 8) & 0xff);
header[42] = (byte) ((totalAudioLen >> 16) & 0xff);
header[43] = (byte) ((totalAudioLen >> 24) & 0xff);
out.write(header, 0, 4088);
}
}
答案 2 :(得分：1)
int channels = 1， int channels = 2而不是CHANNELS = AudioFormat.CHANNEL_IN_MONO！