[FFmpeg-user] Bug in FFMPEG Alsa?

christina zou zou.christina at gmail.com
Mon Feb 20 13:42:48 EET 2017

To follow-up on my problems,

After a lot of experimenting, I've decided to use Sox for audio capture and

The following line does PCM audio capture AND encoding to mp3 using <20%
CPU, so it's much more efficient than Ffmpeg on my Pi Zero.

rec --buffer 2000000 -c 1 -r 44100 -b 32 /tmp/temp.mp3 &

If anyone does have further ideas about what went wrong with Ffmpeg, do let
me know!

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