19 lines
491 B
Bash
19 lines
491 B
Bash
#!/bin/bash
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#DB Table format:
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#CREATE TABLE data (datum datetime, level int);
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interval=60 # sample length in seconds to evaluate maximum on...
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exec 2>/dev/null # no default error output
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while true; do
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rec out.wav &
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sleep $interval
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kill -KILL %1
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max_level="$(sox out.wav -n stats -b 16 2>&1|awk '/^Max\ level/ {print int($3)}')"
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echo -e "insert into data (datum,level) values (datetime('now', 'localtime'),$max_level);" | sqlite3 NoiseRec.db
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rm out.wav
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done
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