Agree -- seems like a lot of latency. The one thing I will say,
however, is that I had excellent results using 256 taps, until I
tried an *inbound* call, where the echo was so bad, it seemed like I
had put in there on purpose. :)
Thanks!
Brian
On Jun 9, 2006, at 12:39 PM, Eric "ManxPower" Wieling wrote:
The number of taps the EC has to deal with is the delay on the PSTN
side. I can't imagine echo is more than a few ms in modern TDM
networks. This latency has NOTHING to do with VoIP latency, since
the echo must be canceled BEFORE it gets to the VoIP side of things.
Brian Swan wrote:
My wife is the customer, so she tends to give me funny looks when
I ask her to sign waivers. ;) In all seriousness, though, I do
recall reading that the 256 tap limit is "enforced" in software
and that you can add/remove/whatever a few lines of code, and go
up to 1024 (or greater I'd assume). Has anyone tried this? I'm
considering attempting it this weekend to see if it does
anything. Does more taps always = better echo cancelation?
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