[FFmpeg-user] Efficient Audio encoding from a PI

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Aug 2 10:03:37 CEST 2013

Kai Hendry <hendry <at> iki.fi> writes:

> ffmpeg -f alsa -ac 1 -i hw:1,0 -acodec aac 
> -strict experimental -y RecordingMYvoice.aac

How does the cpu usage look if you encode to wav?

Try setting another bitrate and the -aac_coder option.

The alternative is to implement SIMD functions for 
the encoder but this is not only non-trivial but may 
be bad for an encoder that is not finished yet.

Carl Eugen

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