Seth Remington wrote:

On Mon, 2006-06-19 at 18:45 -0400, Gary Reuter wrote:
On 6/19/06, Daniel Salama <[EMAIL PROTECTED]> wrote:
Is there anyone that could explain to me the phenomenon of Echo or
at
least point me where I can learn more?
This paper by Cisco is a great start:   "Echo Analysis for Voice over
IP"
http://www.cisco.com/en/US/tech/tk652/tk701/technologies_white_paper09186a00800d6b68.shtml
(it's the first result I get when I google for "echo in voip")

There was also a good article in LJ late last year:

http://www.linuxjournal.com/article/8424

-Seth
There is a much better beginner's explanation at http://www.spiritdsp.com/pdf/article_4.pdf

Steve

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