get Sample Rate by AudioFormat - Android android.media

Android examples for android.media:Audio

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Description

get Sample Rate by AudioFormat

Demo Code

import android.media.AudioFormat;
import android.media.AudioRecord;

public class Main{

    public static final int[] POSSIBLE_SAMPLE_RATES = new int[] { 8000,
            11025, 16000, 22050, 32000, 37800, 44056, 44100, 47250, 48000 };
    public static final int getSampleRate(boolean lowest) {
        int sampleRate = -1;
        for (int rate : POSSIBLE_SAMPLE_RATES) {
            int bufferSize = AudioRecord.getMinBufferSize(rate,
                    AudioFormat.CHANNEL_IN_DEFAULT,
                    AudioFormat.ENCODING_PCM_16BIT);
            if (bufferSize > 0) {
                // buffer size is valid, Sample rate supported
                sampleRate = rate;/*  w  ww .j  a  va  2  s .co  m*/
                if (lowest) {
                    return sampleRate;
                }
            }
        }
        return sampleRate;
    }
    public static final int getSampleRate() {
        return getSampleRate(false);
    }
 
}

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