2022-08-03 22:10:19 +00:00
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#!/usr/bin/env bash
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2016-03-23 05:33:14 +00:00
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set -e
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2022-08-03 22:10:19 +00:00
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# SoX Resampler Library Copyright (c) 2007-16 robs@users.sourceforge.net
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2016-03-23 05:33:14 +00:00
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# Licence for this file: LGPL v2.1 See LICENCE for details.
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2022-08-03 22:10:19 +00:00
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# Tests interpolating then decimating by the same, large ratio.
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2016-03-23 05:33:14 +00:00
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tool=../examples/3-options-input-fn
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2022-08-03 22:10:19 +00:00
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w=$(echo -e "`sox --ver |sed 's/.*SoX v//'` d\n14.4.1 k"|sort -Vr|head -1|sed 's/.* //')
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q=4
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test x$1 = x && ratio=1e5 || ratio=$1
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test x$2 = x && rate=8000 || rate=$2
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2016-03-23 05:33:14 +00:00
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2022-08-03 22:10:19 +00:00
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sox -r$rate -n 1.s32 synth 10 sin 0:`expr $rate / 2` vol .9375
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sync
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2016-03-23 05:33:14 +00:00
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2022-08-03 22:10:19 +00:00
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time { $tool 1 $ratio 1 2 1 $q a < 1.s32 | $tool $ratio 1 1 1 2 $q a > 2.s32;}
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2016-03-23 05:33:14 +00:00
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2022-08-03 22:10:19 +00:00
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sox -mv-1 -r$rate -c1 1.s32 -r$rate -c1 2.s32 -n spectrogram -hw$w -z150 -o lr-$w.png -c "large-ratio-test q:$q ratio:$ratio"
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2016-03-23 05:33:14 +00:00
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rm [12].s32
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