Wave generator

This package contains audio stream several tool programs.

Frequerency filter. Eats 16-bit mono stream and gives a nice scrolling colourful ascii graph representing the frequerency components of the audio. Try whistling. A nice toy. It is my speech recognition investigation scratchpad.
A screenshot is available at erec page.

Waveform generator and multiplexer.

Wave generator (wg) version 1.16.2
Copyright (C) 1992,1999 Bisqwit (http://iki.fi/bisqwit/)

This program works like a function generator.

Usage: wg [<options> [<...>]] <frequency>[:<volume>] [<...>]

    -Q, --square       Select square waveform. Default: -S.
    -S, --sine         Select sine waveform. This is the default.
    -T, --triangle     Select triangle waveform. Default: -S.
    -V, --version      Version information
    -b, --bytes <num>  Specify byteness... 1=8-bit, 2=16-bit. Default: -b2.
    -h, --help         Help
    -i, --signed       Specify signed samples. This is the default for -b2.
    -m, --mono         Specify mono. This is the default.
    -r, --rate <num>   Specify sampling rate. Default: -r44100.
    -s, --stereo       Specify stereo. Default: -m
    -u, --unsigned     Specify unsigned samples. This is the default for -b1.

Generates semiquiet stream. Useful if you want to keep the mixer quiet (if your mixeridle if not so quiet). Does not just output zero. Plain zero stream is hard to analyze for LAME.

GNU make is probably required.
ff requires rfftw.

$ make
$ su
# make install

If you do not want to install libargh (included in the archive), do not use "make install" and edit Makefile and enable the STATIC linking instead of DYNAMIC.

These tools have been written by Joel Yliluoma, a.k.a. Bisqwit,
and are distributed under the terms of the General Public License (GPL).

The official home page of wavegenerator is at http://oktober.stc.cx/source/wavegenerator.html.
Check there for new versions.