FMS audio chat feedback reduction

We are developing a multi-user actionscript 3 based system which will allow multiple users to connect and communicate through their webcams via flash media server.  At the moment, we have all the camera streams displaying correctly on all clients, but we have an issue with audio feedback from the microphones even only with 2 users.  We have activated echo suppression, so we are unsure as to why this could be happening.  Can someone point us to an as3 only solution, or provide an example, which is feedback free?
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dgofmanConnect With a Mentor Commented:
What is Audio format WAV?
anotherfnAuthor Commented:
Partially answered
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