example convert a for in loop using ffmpeg to parallel dtmove=$( date +%Y_%m_%d_%H_%M_%S)
[ ! -d output ] && mkdir output
mkdir output/"$dtmove"parallel --bar ffmpeg -i {} -hide_banner -c:a libopus -b:a 32k -af "highpass=200,lowpass=3000,afftdn=tr=1,volume=8dB,dynaudnorm" output/$dtmove/{/} ::: output/$dt/*.opus
Convert to parallel (below to above example) for i in *.opus ; do ffmpeg -i "$i" -hide_banner -c:a libopus -b:a 32k -af "highpass=200,lowpass=3000,afftdn=tr=1,volume=8dB,dynaudnorm" ../$dtmove/"$i" ; done
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