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

[Mark Hellman <markhellman techie com>]

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?


Mark