[speex-dev] Memory leak in denoiser + a few questions

Tom Harper
Fri, 06 Aug 2004 15:02:00 -0000

Bjoern,

And to actually answer the question,
SPEEX_PREPROCESS_SET_AGC  turns adaptive gain control on/off
and
SPEEX_PREPROCESS_SET_AGC_LEVEL sets the gain level that
the signal is adapted to.

Tom

At 11:01 AM 3/28/2004, Tom Harper wrote:
>Bjoern,
>
>As far as I understand it, AGC keeps the volume level of the speech
>elements (i.e. gain) stable no matter how quiet or loud the input becomes-
>
>Tom
>
>At 10:53 AM 3/28/2004, Bjoern Rasmussen wrote:
>>Hello
>>
>>The st->zeta pointer isn't freed in the
speex_preprocess_state_destroy()
>>function of the preprocess.c file (alloced in line 167). It's in
Speex
>>1.1.4 by the way.
>>
>>I'm trying to make the denoiser work with my application and has got
>>reasonable noise reduction after applying the denoiser. I, however,
>>haven't been able to find any information of what the purpose of
>>SPEEX_PREPROCESS_SET_AGC and SPEEX_PREPROCESS_SET_AGC_LEVEL is?
>>
>>Kind regards
>>
>>Bjoern D. Rasmussen
>>www.bearware.dk
>>
>>_________________________________________________________________
>>Få alle de nye og sjove ikoner med MSN Messenger http://messenger.msn.dk
>>
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>
>--
>
>Tom Harper - tharper@sightspeed.com
>Lead Software Engineer
>SightSpeed - A Roda Group Affiliated Company
>
>918 Parker St, Suite A14
>Berkeley, CA 94710
>
>Phone: 510.665.2920
>Cell: 415.378.3779
>
>http://www.sightspeed.com
>
>
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--

Tom Harper - tharper@sightspeed.com
Lead Software Engineer
SightSpeed - A Roda Group Affiliated Company

918 Parker St, Suite A14
Berkeley, CA 94710

Phone: 510.665.2920
Cell: 415.378.3779