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Retune music from 440 Hz to desired frequency (by changing playback speed)
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| #!/bin/sh | |
| # Prequisite: Using Mac OS and having VLC Media Player installed | |
| # Usage: `freq 432 /path/to/song` | |
| vlc () { /Applications/VLC.app/Contents/MacOS/VLC -I rc "$@" ;} | |
| LC_NUMERIC="en_US.UTF-8" \ | |
| rate=$(printf "%0.6f\n" $(bc -q <<< scale=6\;$1/440)) | |
| vlc -Irc --rate "$rate" "$2" |
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