Andrew Xiang wrote:
> Does any have an efficient implementation of polyphase filterbank in C? M=32
>

There's a not-too-shabby one at http://www.dspguru.com in the FAQ 
section (under Multirate filters).

-- 
Jim Thomas            Principal Applications Engineer  Bittware, Inc
jthomas@bittware.com  http://www.bittware.com          (703) 779-7770
The problem with the future is that it keeps turning into the present - 
Hobbes

Does any have an efficient implementation of polyphase filterbank in C? M=32



thanks
Andrew