Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-17 Thread Steve Underwood
Matt Watson wrote: > I believe HPEC actually is the same algorithm (G.168) that the HW echo > cancel modules use.. the difference being that HPEC uses up CPU cycles > and its performance will be impacted on a system with higher CPU load, > whereas the HW modules have a dedicated DSP for it. G.16

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-17 Thread Matt Watson
I believe HPEC actually is the same algorithm (G.168) that the HW echo cancel modules use.. the difference being that HPEC uses up CPU cycles and its performance will be impacted on a system with higher CPU load, whereas the HW modules have a dedicated DSP for it. http://blogs.digium.com/2007/09/0

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-17 Thread Noah Miller
Hi Loic - > According to that its using MG2. I think it will say MG2 regardless of whether or not there is a hardware module present. > Shouldnt it be using something like > HPEC? I don't think the hardware echo cancellers use the HPEC algorithm. As Eric and Matt have mentioned, dmseg will te

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-17 Thread younss azzayani
HPEC i see also someone who correct the C code to cancel echo you can find that on google 2008/7/16 Loic Didelot <[EMAIL PROTECTED]>: > Hello, > I would like to double check what Echo Cancellation my Digium Card uses. > > I thought I bought the little more expensive card that integrates > E

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-17 Thread Matt Watson
On July 16, 2008 08:01:38 am Loic Didelot wrote: > Hello, > I would like to double check what Echo Cancellation my Digium Card uses. > > I thought I bought the little more expensive card that integrates > EchoCancellation. How can I check? If you load the modules with debug=1 (maybe this appears

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-16 Thread Loic Didelot
According to that its using MG2. Shouldnt it be using something like HPEC? Loic On Thu, 2008-07-17 at 07:05 +0100, Eric Dantie wrote: > On Wed, Jul 16, 2008 at 1:01 PM, Loic Didelot <[EMAIL PROTECTED]> wrote: > > Hello, > > I would like to double check what Echo Cancellation my Digium Card uses.

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-16 Thread Eric Dantie
On Wed, Jul 16, 2008 at 1:01 PM, Loic Didelot <[EMAIL PROTECTED]> wrote: > Hello, > I would like to double check what Echo Cancellation my Digium Card uses. > > I thought I bought the little more expensive card that integrates > EchoCancellation. How can I check? > > Loic Didelot. > dmesg is your

Re: [asterisk-users] Digium PRI and Echo cancellation

2008-07-16 Thread Rob Hillis
Loic Didelot wrote: > Hello, > I would like to double check what Echo Cancellation my Digium Card uses. > > I thought I bought the little more expensive card that integrates > EchoCancellation. How can I check? Easiest way is to eyeball the card. If your card has a daughter board on it, then it'

[asterisk-users] Digium PRI and Echo cancellation

2008-07-16 Thread Loic Didelot
Hello, I would like to double check what Echo Cancellation my Digium Card uses. I thought I bought the little more expensive card that integrates EchoCancellation. How can I check? [EMAIL PROTECTED]:~# zaptel_hardware pci::0b:08.0 wcte12xp+d161:8000 Wildcard TE121 [EMAIL PROTECTED]: