[FFmpeg-user] libopus encoder produces bigger files than opusenc with 6-channel audio

[Carl Eugen Hoyos]

Peter White <peter.white <at> posteo.net> writes:

> And as far as I can tell, not providing any options should
> result in the same default setting and hence the same bitrate.

No, this not correct.

If you don't provide a bitrate (or constant quality) ffmpeg 
will choose one that may or may not suite you.

Carl Eugen