我正在制作 android 应用程序来检测 18k~20k。但是 Pitch 值没有得到它。音高值不能超过 11000Hz。我尝试更改采样率的值 sampleSizeInBits,但它无法正常工作。请帮我解决这个问题。这可能是关于 TarasosDSP 库的问题吗..?
'''
tarsosDSPAudioFormat=new TarsosDSPAudioFormat(TarsosDSPAudioFormat.Encoding.PCM_SIGNED, 22050, 16, 1, 2 * 1, 22050, ByteOrder.BIG_ENDIAN.equals(ByteOrder.nativeOrder()));
pitchTextView = findViewById(R.id.pitchTextView);
recordButton = findViewById(R.id.recordButton);
playButton = findViewById(R.id.playButton);
recordButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!isRecording)
{
recordAudio();
isRecording = true;
recordButton.setText("stop");
}
else
{
stopRecording();
isRecording = false;
recordButton.setText("record");
}
}
});
}
public void recordAudio()
{
releaseDispatcher();
dispatcher = AudioDispatcherFactory.fromDefaultMicrophone(22050,1024,0);
try {
RandomAccessFile randomAccessFile = new RandomAccessFile(file,"rw");
AudioProcessor recordProcessor = new WriterProcessor(tarsosDSPAudioFormat, randomAccessFile);
dispatcher.addAudioProcessor(recordProcessor);
PitchDetectionHandler pitchDetectionHandler = new PitchDetectionHandler() {
@Override
public void handlePitch(PitchDetectionResult res, AudioEvent e){
final float pitchInHz = res.getPitch();
runOnUiThread(new Runnable() {
@Override
public void run() {
pitchTextView.setText(pitchInHz + "");
}
});
}
};
AudioProcessor pitchProcessor = new PitchProcessor(PitchProcessor.PitchEstimationAlgorithm.FFT_YIN, 22050, 1024, pitchDetectionHandler);
dispatcher.addAudioProcessor(pitchProcessor);
Thread audioThread = new Thread(dispatcher, "Audio Thread");
audioThread.start();
} catch (IOException e) {
e.printStackTrace();
}
}
'''