code: public int writeSampleData(final byte [] newSampleData, final int offset, int length)
  	{
  		synchronized(lock)
  		{
  			System.arraycopy(newSampleData, offset, resultSampleBuffer, 0, length);
  			int anzSamples = writeIntoFloatArrayBuffer(length);
  			if (dspEnabled)
  			{
  				// call the callbacks for digital signal processing
  				// ...
  				anzSamples = callEffects(sampleBuffer, currentWritePosition, anzSamples);
  				// and recalc from the float array...
  				length = readFromFloatArrayBuffer(anzSamples);
  			}
  			currentWritePosition = (currentWritePosition + anzSamples) % sampleBufferSize;
  			return length;
  		}
  	}
docs: This method will write the sample data to the dsp buffer
  It will convert all sampledata to a stereo or mono float of 1.0<=x<=-1.0
  @since 23.12.2011
  @param newSampleData
  @param offset
  @param length