Simultaneous Recording in file and playing incoming rtp stream

I want to Simultaneous Recording in file and playing incoming rtp stream.I have cloned the data source. After cloning I created two data sinks and two processors.One processor/datasink is meant for recording the stream in a file and other processor/data sink is used to play the rtp through speaker.
But at a time I am only able to achieve one operation i.e either recording or playing.For recording into the wav file I have to put Thread.sleep(30) so that I can record the rtp into the file.During this time I am not able to play the audio through speaker.I also create separate thread but this does not help.
Please give suggestion on how to resolve this issue.

thanks for the reply, but I think I've already solved the problem.

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