[Speex-dev] fixed point AEC

[Jean-Marc Valin]

Just a quick note. I've realised that the svn version actually had the
wrong FFT enabled by default, so the fixed-point AEC was broken. It's
fixed now.

	Jean-Marc

Deepa Bhatt a écrit :
> Thanks Jean, I missed that detail. 
>    
>   I have a few more compile errors if you could help me with it =>
>    
>   In function speex_echo_state_init in mdf.c I am getting error: "undefined reference to exp". I don't see a fixed point implementation of "exp". Can you point me to the correct files.
>    
>   I am using the following files from speex 1.2 beta1 =>
>   mdf.c, math_approx.c, misc.c, fft_wrap.c, kiss_fft.c, config.h, speex_types.h, speex_echo.h, arch.h  . 
>    
>   -Deepa
>    
>   -Marc Valin <jean-marc.valin at usherbrooke.ca> wrote:
>   Deepa Bhatt a écrit :
>> Analog Devices sponsored a fixed point version for AEC which was
>> posted early this year, but it seems from the source code that the
>> fft routines are still in floating point. Is the port still not
>> complete or am I missing something? Has anyone out there ported speex
>> AEC on RISC architecture? Please let me know.
> 
> There are two FFTs in Speex, one of which (kissfft) works in fixed-point
> (and is enabled by default). The AEC works fine at least on Blackfin.
> 
> Jean-Marc
> 
>> Thanks in advance,
>>
>> -Deepa
>>
>>
>>
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