new Armadillo release

Subject: new Armadillo release
From: James W. Beauchamp (
Date: Tue Jun 29 1999 - 11:35:45 EDT

The latest release of Armadillo, a freeware spectral analysis program for
the Power Macintosh, is now available by web site download or ftp.

Armadillo is a musical sound analyzer which works either in real time
using microphone or CD-ROM input or out of real time with sound file
input. Sounds may be monaural or stereo. Five different displays are
available: input waveform, amplitude vs. frequency spectrum (1D),
waterfall display, frequency vs. time spectrogram (2D), and amplitude
vs. frequency and time (3D). A unique feature is that the analysis can
be tuned so that the harmonics of a fixed pitch input correspond
exactly to the analysis filter positions. This is done by interpolating
the input signal to produce the proper number of points in the analysis

Armadillo can be used effectively for musician feedback on tone quality,
classroom demos, and for calibration of synthetic sounds.

web site:

anonymous ftp:

James Beauchamp (project director)
Timothy Madden (programmer)
Computer Music Project, School of Music
University of Illinois at Urbana-Champaign

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