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by Graham Williams
Duck Duck Go



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SOX

REVIEW

  $ sox -t ossdsp -w -s -r 44100 -c 2 /dev/dsp recording.wav

Creating sounds with play and saving the sound to file with sox:

$ play -n synth 1 sin 234
$ play -n synth 1 sin 234 sin 345
$ sox -n sample.mp3 synth 1 sin 234 sin 345
$ play -n -c1 synth sin %-12 sin %-9 sin %-5 sin %-2 fade h 0.1 1 0.1

Here's a guessing game one liner, asking you to guess the frequency, courtesy of the Twitter account for Command Line Magic.

$ f=$(($RANDOM%5900+100));play -qn synth sin $f trim 0 0.75 vol .1;read -p "Hz(100-6000)? " g;printf "Hz=$f; Off by %d\n" $((f-g))


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Other online resources include the Data Science Desktop Survival Guide.
Books available on Amazon include Data Mining with Rattle and Essentials of Data Science.
Popular open source software includes rattle and wajig.
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