[asterisk-users] The High Performance Echo Canceller (HPEC)
shadowym
shadowym at hotmail.com
Wed Feb 14 16:00:13 MST 2007
Think of what you just said. You just said a "Central Processing Unit" is
an "Application Specific Integrated Circuit".
If you say so.....LOL!
-----Original Message-----
From: Andrew Kohlsmith [mailto:akohlsmith-asterisk at benshaw.com]
Sent: Wednesday, February 14, 2007 12:26 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] The High Performance Echo Canceller (HPEC)
On Wednesday 14 February 2007 11:17 am, shadowym wrote:
> I gotta take issue with your comments that a HWEC is just software
> running on a DSP. In the case of Octasic, it's an ASIC. How it does
> EC is VERY different because.....it's done completely in hardware, not
> firmware loaded into memory and run on a specialized CPU! Yes, the
> ASIC does contain an DSP but it is customized for EC. You cannot think of
it as a CPU.
Why not? A DSP is a CPU which has been designed to do mathematical
functions very quickly, generally especially with respect to matrix math.
I mean think of what you just said. You could just as easily have said "A
CPU ... it's an ASIC. Everything it does is completely in hardware."
-A.
More information about the asterisk-users
mailing list