[FFmpeg-user] MP3 file max bit rate issue

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Jul 25 21:55:42 CEST 2013

samrat <dut.samrat <at> gmail.com> writes:

> ffmpeg -i OLD1.mp3 -codec:a libmp3lame -ar 32000 -ab 56k 
> -ac 2 -q:a 1 -t 00:03:00.000 -y NEW-1.mp3
> Here we need to create a mp3 file with maxbit rate 56kbps. 
> So I used -ab 56K but unfortunately It creates with 64K 
> max bit rate.

(Complete, uncut console output missing.)

You specified both a quality and a bitrate (which 
makes no sense), please remove the quality setting 
and report back.

Carl Eugen

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