On Wed, Nov 05, 2003 at 10:43:17AM +0000, Steve Harris wrote:

> Nope, polyphases only filter at fs/(2^n), they are used for resampling and
> reconstruction.
                                  ^^^^^^^^

You seem to use a very odd definition of 'polyphase filter'. In fact any
FIR you like can be turned into a polyphase filter - just interpolate the
coefficients in the same way you'd interpolate a signal.

-- 
Fons





Reply via email to