My understanding is that Adobe Flash AEC only works with the RTMFP protocol which is not currently supported by Red5.
That's why trying to get the audio stream working with SIP/Asterisk might be a good interim or permanent solution to improving the Audio quality and finally putting an end to all the AEC issues. Joseph Karwat | CEO | 415-462-0263 | <http://www.jellvideo.com/> JellVideo | <http://www.jellnet.com/> www.jellnet.com | 3psquare93x77 Jell Networks, Inc. Enterprise Video Collaboration Solutions Click Here to Register for your JellVideo Collaboration Account <http://www.jellvideo.com/> From: George Kirkham [mailto:gkirk...@co2crc.com.au] Sent: Tuesday, August 28, 2012 7:08 PM To: openmeetings-user@incubator.apache.org Subject: RE: Acoustic Echo Cancellation (AEC) in Adobe Flash 10/11 Luke, I believe the only echo cancelling that OpenMeetings has is the Adobe flashplayer's "reduce Echo" setting. Right click the OpenMeetings window and select "Settings.". I have found that Audio conferencing can only be used if everyone attending the conference has echo cancelling hardware like the ClearOne Chat-60 speakerphone or headphones with microphone. This is why OpenMeetings has a "Exclusive audio" feature which allows the meeting participants to easily mute all microphones but one (i.e. the person currently speaking). Thanks, George Kirkham -----Original Message----- From: Luke Ledgerd [mailto:l...@hiled.biz] Sent: Wednesday, 29 August 2012 12:02 PM To: openmeetings-user@incubator.apache.org Subject: Acoustic Echo Cancellation (AEC) in Adobe Flash 10/11 I've tried the bleeding edge version (2.1) of Openmeetings. Is the acoustic echo cancellation//**//feature working? I had to mute// < <http://www.adaptivedigital.com/product/echo_cancel/adt_aec.htm> http://www.adaptivedigital.com/product/echo_cancel/adt_aec.htm> half the people in the conference (located in the same meeting room abroad) in order to kill the audio feedback. Could the problem have been caused by an old flash version. Thought AEC was meant to deal with that, or are you still supporting the purchase of hardware based speakers / mics with AEC built in? Also are most users updated to adobe 11 by now? Does there need to be a warning to users so that you can use a better codec than uLaw (ver. 10)? Finally is there a guide for tweaking the red5/openmeetings logging options for production use? cheers, Luke
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