Mp3: Difference between revisions
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convert mp4a to mp3 | = convert mp4a to mp3 = | ||
<pre> | |||
ffmpeg -i inputfile.m4a -acodec libmp3lame -ab 93k outputfile.mp3 | |||
</pre> | |||
= record mic on linux and convert it to mp3 with noise filter = | |||
<pre> | <pre> | ||
arecord --device="hw:0,0" --format=S16_LE -c 2 rec.wav | arecord --device="hw:0,0" --format=S16_LE -c 2 rec.wav | ||
ffmpeg -i rec.wav -acodec mp3 rec.mp3 | ffmpeg -i rec.wav -acodec mp3 rec.mp3 | ||
ffplay rec.mp3 | ffplay rec.mp3 | ||
</pre> | </pre> | ||
Revision as of 21:00, 25 March 2023
convert mp4a to mp3
ffmpeg -i inputfile.m4a -acodec libmp3lame -ab 93k outputfile.mp3
record mic on linux and convert it to mp3 with noise filter
arecord --device="hw:0,0" --format=S16_LE -c 2 rec.wav ffmpeg -i rec.wav -acodec mp3 rec.mp3 ffplay rec.mp3