[asterisk-users] The High Performance Echo Canceller (HPEC)

[Andrew Kohlsmith]

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.