Check correct buffer size for your AudioRecord instance - Android android.media

Android examples for android.media:Audio

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Description

Check correct buffer size for your AudioRecord instance

Demo Code

import android.media.AudioRecord;

public class Main {

  /**/* ww  w.  ja  v a 2s .  com*/
   * Check correct buffer size for your AudioRecord instance
   *
   * @param audioSource
   *          the audio source
   * @param fs
   *          the fs
   * @param channelConfiguration
   *          the channel configuration
   * @param audioEncoding
   *          the audio encoding
   * @return the int
   */
  public static int checkCorrectBufferSize(int audioSource, int fs, int channelConfiguration, int audioEncoding) {
    for (int buffer : new int[] { 256, 512, 1024, 2048, 4096 }) { // add the rates you wish to check against
      AudioRecord audioRecordTemp = new AudioRecord(audioSource, fs, channelConfiguration, audioEncoding, buffer);
      if (audioRecordTemp != null && audioRecordTemp.getState() == AudioRecord.STATE_INITIALIZED) {
        return buffer;
      }
    }
    return 0;
  }

}

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