How to set abr(average bitrate) on mp3 files using ffmpeg

Question

I need to convert my mp3 from constant or variable bitrate to average bitrate. how can I do this?
I've used

-b 250k -minratre 50kb -maxrate 260kb

But it goes constant bitrate when I run the command.

score 4 · Answer 1 · answered Mar 15 '17 at 18:32

4

You can use the -abr libmp3lame option:

ffmpeg -i input -c:a libmp3lame -abr 1 -b:a 128k output.mp3

answered Mar 15 '17 at 18:32

llogan

score 1 · Answer 2 · edited Mar 15 '17 at 14:07

1

-q:a 0 will set bitrate to average 220-260kbps

if you use -b (probably need to use -b:a) then it will be constant.

edited Mar 15 '17 at 14:07

rll

answered Mar 15 '17 at 09:19

Max Deepfield

1

Tnx but I don't want it be constant, there are three types average, constant, variable.I want the average type. – kmthrong kmthrongi Mar 15 '17 at 13:46

2 Answers2