Re: [GnomeMeeting-list] Re: PC-to-PC calls using Quicknet hardware?



Le vendredi 20 août 2004 à 11:01 +0100, Mark Hellman a écrit :
> daniel huhardeaux wrote:
> 
> > It change nothing: echo cancellation is to limit echo from hardware but 
> > you will always have the sound going out from loudspeakers and coming 
> > back to your microphon. This echo (reverberation) will never be 
> > cancelled by the echo cancellation feature as it is part of user audio 
> > (as would be the music from your radio if you don't switch it off  when 
> > your in conversation ;-))
> 
> But how come we hear no echo when using H323 appliances like the ones 
> made by Aethra or Polycom?  How do they do it? And how can we achieve 
> similar performance without spending hundreds of dollars?
> 
> 

They have very good hardware chipsets. I believe that quicknet hardware
should cancel echo when using Webcam + loudspeakers, but I have never
tried myself, I far prefer using a headset or a normal phone with my
quicknet card.


> Mark
> 
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-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
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v_/_    H.323 phone : callto:ils.seconix.com/dsandras seconix com

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