[FFmpeg-user] Converted file size is bigger than source.

Anil Jangam anil_jangam at persistent.co.in
Fri May 13 22:11:49 CEST 2011

> -----Original Message-----
> From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-
> bounces at ffmpeg.org] On Behalf Of Reindl Harald
> Sent: Saturday, May 14, 2011 12:42 AM
> To: ffmpeg-user at ffmpeg.org
> Subject: Re: [FFmpeg-user] Converted file size is bigger than source.
> Am 13.05.2011 20:48, schrieb Anil Jangam:
> > Duration: 00:00:13.20, start: 0.000000, bitrate: 86 kb/s Stream
> ffmpeg
> > -i video_dc.3gp -y -vcodec mpeg4 -acodec libfaac -ar 16000 -ab 96000
> > -async 1 out-video.3gp
> >
> > What could be wrong in this case? What should we change here to keep
> the size of output video in control?
> What about define a -vb?

[[Anil Jangam]] You mean video bit rate right? The option is -b actually. Option -vb does not exist.
I will try this and test. Thanks.

> you input file has 86 kb/s

[[Anil Jangam]] Is this 86kb/s bit rate shown by ffmpeg is video bit rate or audio bit rate? Sorry if it too obvious question. 

> you define only audio with 96 kb/s
> and you wonder why it get's bigger?

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