Echo cancellation is not easy. The only open source one I've seen is GPL (making it license incompatible with FreeSWITCH) and is not suitable for handling echo over IP networks. Perhaps tricks are being played using VAD to only allow only one speaker at a time in the ooVoo conference? On Mon, Mar 18, 2013 at 5:53 PM, Mimiko <vbvbrj@gmail.com> wrote:
Today we tried ooVoo conference system with theirs client using same boxes and microphones - again, no echo. How this can be? Is it only commercial products have echo removing function?
-- Mimiko desu.
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