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Simple Make Wav is command line which allows to create a wav file with a sinusoidal or triangular or rectangular or personnal signal and to adjust voltage, frequency and cyclic ratio.
And generate PS or TCL/TK file graphic image of the WAV form, too
Usage :
./smakewav [options] -o file.wav
Examples :
./smakewav -o example.wav
./smakewav -o example.wav -f 440 -d 10 -t sin
./smakewav -o example.wav -f 1000 -d 10 -l 1 -t rec -cr 20 -ps example.ps -nps 2 -wps 10 -sps 0.5 -bgps FFFFFF -aps FF0000
./smakewav -o example.wav -f 500 -d 10 -l 0.8 -t data 001F7FE0F0FFF0E07F1F
See :
./smakewav --help
or :
MANUAL.TXT
iGNUit is a memorization aid based on the Leitner flashcard system. It has a GNOME look and feel, a good selection of quiz options, and supports UTF-8. Cards can include embedded audio, images, and mathematical formulae (via LaTeX). It can import and export several file formats, including CSV. iGNUit can be used for both long-term learning and cramming.