[FFmpeg-user] MP3 enconding bitrate

[Paulo Fidalgo]

On 30/10/14 09:07, Moritz Barsnick wrote:
> On Thu, Oct 30, 2014 at 08:05:22 +0000, Paulo Fidalgo wrote:
>> I've tried with 320k and 256k and both files don't play.
> While applying trial and error using ffmpeg, you might also want to
> analyze the failing (and the successful) files with an MP3 diagnosis
> tool. There are quite a few out there, even open source. I have used
> MP3Diags, and recently found a few others such as mp3check and
> mp3val.[*]

I can only get errors from mp3check:

mp3check -ve 2L38_01_96kHz-ffmpeg-256k.mp3
2L38_01_96kHz-ffmpeg-256k.mp3:
813 bytes of junk before first frame header

but with lame there's no errors.


>
> I can't tell though whether these tools would detect your issue. Some
> apparently only actually process the _headers_.
>
> Moritz
>
> [*] Best link I found, in German though:
>      http://wiki.ubuntuusers.de/%C3%9Cberpr%C3%BCfung_MP3-Sammlung
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