SIGNALPAK: Octave functions for signal processing and audio

Paul Kienzle ()

Octave codes

Abstract: A variety of functions--some of which add MATLAB functionality to Octave-- for signal processing, speech, audio and image processing. boxcar.m, stem.m, interp.m, decimate.m, preemp.m, and xcorr.m have been added to work with matrices. Colormap routines have been removed since they are implemented better by Kai Habel. auplot.m has been rewritten for efficiency. Added routines: xcorr2, pwelch, hilbert, zp2tf, tf2zp, clf. freqz now accepts a vector of frequencies at which to evaluate H(w) medfilt1 bug fixes (still need #define OLD_OCTAVE to get return value right) bilinear accepts/returns zero-pole-gain form as well as b,a polynomials isreal now handles matrix arguments correctly rceps now returns minimum phase reconstruction if desired preemp now returns a signal of the same length as the input specgram now returns spectrogram matrix if desired New functions (as of May 2000): sound, soundsc, __power, rectpuls, resample, czt, lagrange, voice, dB, idplot, idsim, mktheta, poly2th, speed_test, test, assert, pretty, demo, example, ellipj, ellipke Deleted functions: auplay, power This package was previously called OctavePAK.

Language: Octave
Requires: Octave
Date: 2000-02-25, Revised 2000-05-14
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http://users.powernet.co.uk/kienzle/signalPAK/ description of available functions (text/html)
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