fir-tools/README

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fir-tools
========================================================================
Copyright: ©2014, Laurence Withers
Author: Laurence Withers <l@lwithers.me.uk>
License: GPLv3
See file COPYING for detail license information.
Really Quick Instructions
-------------------------
To build: ./make.sh
To install: ./make.sh install
You might want to edit 'config' first. You might also want to set
'INSTALL_PREFIX', which is prepended onto the destination of any
installed file.
Overview
--------
Tools for operating on FIR filters. Input file is a comma- and/or whitespace-
separated list of coefficients.
fir2csv: generates a CSV file contaning the response (magnitude, phase) of the
filter over a normalised frequency band. Also computes group delay.
fir3db: finds -3dB points of filter response using numerical iteration.