/// <summary>
 /// Get OGG samples
 /// </summary>
 /// <param name="audioInfo">Audio information</param>
 /// <param name="timeSpan">Audio position (if you need)</param>
 /// <returns>Audio sample</returns>
 public byte[] GetSample( AudioInfo audioInfo, TimeSpan? timeSpan )
 {
     return audioInfo.GetSample ( timeSpan );
 }