Re: The taps of ciccomp filters are too long, any solution?

On Oct 8, 7:47 pm, move <liubeny...@[EMAIL PROTECTED]
> wrote:

> I am wonderring whether i could reduce the taps of CICcomp filter is
> that the ciccomp filter design in matlab could not be implemented in a
> multistage manner. ('cause the shape in the passband is not flat and
> inv-sinc), when the taps of filter exceed the number of input, i
> reckon the filter not a success one or padding zeros is needed to make
> the input length N+L-1. but once the situation is time critial (in a
> frame), padding zeros is not valid.

You have a more fundamental issue to confront: what makes you think it
is legitimate to process each frame individually?

What do the frames represent?

What type of lowpass characteristic do you think you are going to be
able to achieve within these short chunks of data?