[SciPy-Dev] Polyphase filtering and resampling

[Eric Larson]

Hey,

Scipy's resampling algorithm currently makes use of a frequency-domain
technique. I'm interested in potentially adding a time-domain polyphase
resampling method. This is the same technique used by MATLAB. It requires
implementation of an upfirdn-type function that upsamples, applies a FIR
filter, then downsamples efficiently. There is already a SWIG-compiled
BSD-licensed Python version available:

https://code.google.com/p/upfirdn/

I have gotten permission from the author to port the code to scipy. Would
upfirdn and the associated resampling method be useful to move into scipy?

Cheers,
Eric
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/scipy-dev/attachments/20150223/bf9820cc/attachment.html>