title: Android can't play some wav file with soundpool?
body: <p>Some .wav file I can't play with soundpool. I can't hear anything. Some files play just fine. Why?</p>
  
  <p>code </p>
  
  <pre><code>    AudioManager mgr = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
      int streamVolume = mgr.getStreamVolume(AudioManager.STREAM_MUSIC);
      soundPool.play(soundPoolMap.get(sound), streamVolume, streamVolume, 1, 0, 1f);
  </code></pre>