Posted by petru.marginean on 07/25/06 13:38

Hi,

After conversion (using ffmpeg, see below) from aac to mp3, the output
file is too big, and, when listening to it, the music is way too
slow.

How can I fix this?

Thanks,
Petru

$> ffmpeg -i /tmp/radio/input-from-radio.aac -acodec mp3
/tmp/radio/output.mp3
FFmpeg version SVN-r5804, Copyright (c) 2000-2004 Fabrice Bellard
configuration: --enable-mp3lame --enable-faac --enable-faad
--enable-gpl
libavutil version: 49.0.0
libavcodec version: 51.10.0
libavformat version: 50.5.0
built on Jul 25 2006 07:42:27, gcc: 3.4.4 (cygming special) (gdc
0.12, using dmd 0.125)
Input #0, aac, from '/tmp/radio/input-from-radio.aac':
Duration: 00:20:33.4, start: 0.000000, bitrate: 35 kb/s
Stream #0.0: Audio: aac, 22050 Hz, stereo, 35 kb/s
File '/tmp/radio/output.mp3' already exists. Overwrite ? [y/N] y
Output #0, mp3, to '/tmp/radio/output.mp3':
Stream #0.0: Audio: mp3, 22050 Hz, stereo, 64 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
size= 21371kB time=2735.5 bitrate= 64.0kbits/s
video:0kB audio:21371kB global headers:0kB muxing overhead 0.000000%

$> ls -l /tmp/radio/input-from-radio.aac /tmp/radio/output.mp3
-rwxrwxrwx 1 HP_Administrator None 5471126 Jul 20 07:09
/tmp/radio/input-from-radio.aac
-rw-rw-rw- 1 HP_Administrator None 21883715 Jul 25 08:01
/tmp/radio/output.mp3

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