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...ld 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. - Jim ----- Original Message ----- From: Itay Chamiel To: speex-dev@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 m...

...errunning my heap, and enlarging the heap solved the problem. I suspect that Itay is having a similar problem. - Jim ----- Original Message ----- From: "Jean-Marc Valin" <jean-marc.valin@usherbrooke.ca> To: "Jim Crichton" <jim.crichton@comcast.net> Cc: "Itay Chamiel" <ItayC@mangodsp.com>; <speex-dev@xiph.org> Sent: Tuesday, August 15, 2006 9:26 AM Subject: Re: [Speex-dev] AEC on a TI C6x - has no effect > Jim Crichton a ?crit : >> Itay, >> >> I tested on C6x in May with build 11343 and 11398, and it worked >> fine....

Itay Chamiel a ?crit : > Hi Jim, > > I've tried both 11343 and 11398 (after fixing a couple of compiler > errors) and annoyingly enough I get the same results as the current > build: float works, fixed doesn't. I also saw the same phenomenon where > the st->W and st->PHI arrays...

...in somewhat harder conditions (larger delay), and can adapt in conditions where the fixed point version won't adapt at all. Thanks for your help, -itay -----Original Message----- From: Jean-Marc Valin [mailto:jean-marc.valin@usherbrooke.ca] Sent: Tuesday, August 15, 2006 5:53 PM To: Itay Chamiel Cc: Jim Crichton; speex-dev@xiph.org Subject: Re: [Speex-dev] AEC on a TI C6x - has no effect Itay Chamiel a ?crit : > Hi Jim, > > I've tried both 11343 and 11398 (after fixing a couple of compiler > errors) and annoyingly enough I get the same results as the current > build: f...

...dd 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@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 ver...

...ay cause this problem? What could cause the PHI and W arrays (sorry I keep calling them that, I don't know what their meaning is) to be zeroes only? Thanks, -Itay -----Original Message----- From: Jim Crichton [mailto:jim.crichton@comcast.net] Sent: Thursday, August 17, 2006 2:52 PM To: Itay Chamiel Cc: speex-dev@xiph.org Subject: Re: [Speex-dev] AEC on a TI C6x - has no effect Itay, >I am trying these things, but the main problem that has been bothering >me recently is that the fixed-point algorithm works "sometimes". >Meaning that sometimes it will work well, and other...

Hello all, I am attempting to integrate the AEC algorithm from Speex into an RTP-based voice-over-IP application. The application is supposed to operate on a TI C6412-based board, using Code Composer Studio for development. Everything seems to be working, but the problem is that there is no discernible difference in the output, whether the echo cancel function is called or not. Let me first

Itay, >I am trying these things, but the main problem that has been bothering >me recently is that the fixed-point algorithm works "sometimes". Meaning >that sometimes it will work well, and other times it will not work at >all. > >I think I've found the source of the problem. The speex_alloc() >function, called by speex_echo_state_init(), calls calloc() and

> I followed your advice on running the trivial case. The float version > started cancelling sounds out within a second. The fixed point > version also worked, but took a little longer before the effect was > noticeable. Since I now realized the fixed point version might need a > little more tweaking than the float version, I started modifying some > things and ended up with the

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 -------------- next part -------------- An HTML attachment was scrubbed... URL:

Jean-Marc, I am trying these things, but the main problem that has been bothering me recently is that the fixed-point algorithm works "sometimes". Meaning that sometimes it will work well, and other times it will not work at all. I think I've found the source of the problem. The speex_alloc() function, called by speex_echo_state_init(), calls calloc() and returns a zeroed array. On