code: public void clearHistory()
  	{
  		int channels = inArray.length;
  		for (int c=0; c<channels; c++)
  		{
  			for (int i=0; i<HISTORYSIZE; i++)
  			{
  				inArray[c][i] = outArray[c][i] = 0f;
  			}
  		}
  	}
docs: Clean the history
  @since 14.01.2012