[Speex-dev] encoding time

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Sun Dec 20 16:46:50 PST 2009


I'm not familiar with that micro-controller, but I assume with what 
you've described that your only hope is to write a lot of assembly 
optimisations.

	Jean-Marc

On 15/12/09 07:28, Елягин Сергей Владимирович wrote:
>   Good afternoon!
>   Thank you for your product Speex. We want to use it in
>   microcontroller  AT91SAM7S256 (48 MHz).
>
>   We applied the following:
>   #define FIXED_POINT
>   #define DISABLE_WIDEBAND
>   #define DISABLE_HIGHPASS
>   #define MANUAL_ALLOC
>   #define OS_SUPPORT_CUSTOM
>
>   at
>   speex_encoder_init(&speex_nb_mode);
>   speex_decoder_init(&speex_nb_mode);
>   tmp=2;
>   speex_encoder_ctl(st, SPEEX_SET_QUALITY,&tmp);
>
>   Encoding time for one frame (20 ms) is 46 ms,
>   and decoding time is 4 ms.
>   Is it possible to reduce encoding time?
>   Thank you.
>
> Best regards,
>               Dr Elyagin Sergei
>
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>


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