How to merging two audio stream using jmf?

I have received two rtp audio stream，i want to merging this to one but createMergingDataSource dou work well。please help 。

You might use an alternative approach: Run exec task and use a external tool to do the encoding.
You can for example use "The Swiss army knive of Sound" :) SoX: http://sox.sourceforge.net/
I think from a performance point of view or to handle large files it would be even recommended in using such tools rather then encoding inside your application ... that might be different if you need to do the encoding in real-time ...
Sebastian

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