code: public String getChannelMode()
  	{
  		String str = null;
  
  		if ((channelMode >= 0) && (channelMode < channelLabels.length))
  		{
  			str = channelLabels[channelMode];
  		}
  
  		return str;
  	}
docs: Return the channel mode of the mpeg in string form.
  Ex: Joint Stereo (STEREO)
  
  @return the channel mode of the mpeg