Speex dev - Apr 2009 - porting speex on 32-bits Cortex-M3 controller

HI

i am trying to port speex on STM32's Cortex-M3 controller (72Mhz). i am able
to get audio in narrowband with Qualitybit=4.when i change quality bit to
6-8,audio is breaking. I am not able to encode data in real time. i am getting
around 32000 samples and in that amount of time i am only able to encode 23000
samples.

Following link shows that speex is working fine with all the bitrates on STM32:
http://lists.xiph.org/pipermail/speex-dev/2009-January/007050.html


Can somebody provide me optimized speex, which is successfully ported on 32-bits
controller or help me to optimize speex. i am using guntools(arm-eabi-gcc) to
compile my application.


suggestions are welcomed, Thanks in advance


-Yuvraj


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