is audio data Silence - Android android.media

Android examples for android.media:Audio

  1. HOME
  2. Android
  3. android.media
  4. Audio

Description

is audio data Silence

Demo Code

public class Main{

    public static boolean isSilence(short[] data) {
        boolean silence = false;
        int RMS_SILENCE_THRESHOLD = 2000;
        if (rootMeanSquared(data) < RMS_SILENCE_THRESHOLD) {
            silence = true;/*  w w  w  . j  a  v a2 s .c  o  m*/
        }
        return silence;
    }
    public static double rootMeanSquared(short[] nums) {
        double ms = 0;
        for (int i = 0; i < nums.length; i++) {
            ms += nums[i] * nums[i];
        }
        ms /= nums.length;
        return Math.sqrt(ms);
    }

}

Related Tutorials