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15 lines
292 B
Plaintext
15 lines
292 B
Plaintext
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#!/bin/sh
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#usage: wav2png.sh file.wav
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BASE=${1%.wav}
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PNG=$BASE.png
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WAV=$BASE.wav
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DAT=$BASE.dat
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#echo $BASE,$PNG,$WAV,$DAT
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sox $WAV $DAT
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grep -v '^;' $DAT >$DAT.clean
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FREQ=`head -1 $DAT|tr -d ';'`
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echo -e "set terminal png;set title '$FREQ';set output '$PNG'; plot '$DAT.clean'" | gnuplot
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