resampling mp3 files at a higher bitrate

[JD]

  On 07/31/2010 10:47 PM, Tim wrote:
> On Sat, 2010-07-31 at 21:31 -0700, JD wrote:
>> I tried to re-sample an MP3 file from 64kbps to 320kbps :
>>
>> ffmpeg -i file.mp3 -ac 2 -b 320k new-file.mp3
>>
>> but the resulting file always comes out at 64kbps.
> You have a syntax error
>
>   -b for video bitrate setting
>   -ab for audio bitrate setting
>
> What are you trying to gain?  You can't make a lossy MPEG better by
> recompressing it at a higher bitrate.  It's actually going to get worse,
> since it's going to get decoded, then another lossy recompression is
> going to happen.
>
I see!! Thanks for the info!