[Speex-dev] AEC on a TI C6x - has no effect

[Jean-Marc Valin]

Jim Crichton a écrit :
> Itay,
> 
> I tested on C6x in May with build 11343 and 11398, and it worked
> fine.  I just ran the same test with build 11768, and there was no
> cancellation, just as you saw.  I will try to track this down in the
> next day or two.  In the meantime, I suggest that you try testing
> with 11398.

Hmm, that's odd because the fixed-point seems to work for me and usually
the problems show up with the C55, but not the C64. The only two changes
I made to the AEC since 11398 were 11750 and 11751. Can you tell me
which one is problematic?

Thanks,

	Jean-Marc

> - Jim ----- Original Message ----- From: Itay Chamiel To:
> speex-dev at xiph.org Sent: Monday, August 14, 2006 10:56 AM Subject:
> RE: [Speex-dev] AEC on a TI C6x - has no effect
> 
> 
> Thanks to a tip from Jean-Marc, I tried the floating point version
> and it worked well.
> 
> If anyone has a clue as to why the fixed point version doesn't work,
> let me know as I would really appreciate the CPU time reduction (20%
> as opposed to 70%).
> 
> Thanks,
> 
> -itay
> 
> 
> 
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