Re: RFS: vbrfix -- corrects MP3 files that have incorrect VBR information
* Rog�rio Brito <rbrito@ime.usp.br> [2007-07-24 19:05:45 -0300]:
> Dear mentors,
>
> I am looking for a sponsor for my package "vbrfix".
>
> * Package name : vbrfix
> Version : 0.24-1
> Upstream Author : William Pye <will@willwap.co.uk>
> * URL : http://www.willwap.co.uk/Programs/vbrfix.php
> * License : GPL
> Section : sound
>
> It builds these binary packages:
> vbrfix - corrects MP3 files that have incorrect VBR information
The package doesn't build here:
http://pastebin.com/m3a3a4859
> Here is the long description of the package:
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> In an average song there are points that require high quality and points
> that require low quality (i.e. silence).
>
> Instead of having the whole file at 160kbps CBR (Constant Bit Rate), we
> can use VBR (Variable Bit Rate). This allows us to have say 96kbps at
> points not requiring high quality and 192kbps when we need it: resulting
> in an overall smaller but higher quality MP3.
>
> Unfortunately, the problem is that many MP3 MP3 decoders estimate the
> time of a MP3 file based on the first bitrate they find and the
> filesize. This means that the "prediction" used by such decoders is
> wildly wrong with VBR encoded files and, as a result, you can get
> fairly random times.
>
> As most songs start with silence you usually get the song length being
> shown as much longer than it should be. Also when you jump through a
> file encoded in VBR, 50% through the file is not 50% through the song.
>
> A VBR null frame is placed at the beginning of the file to tell the MP3
> player information about the song length and indexing through the song.
>
> The problem arises because some poor encoders don't produce this null
> frame or do so incorrectly and this is what Vbrfix attempts to fix.
>
> Vbrfix can also fix other problems with MP3s as it deletes all non-MP3
> content (other than tags you state you want to keep). It can also help
> when merging two VBR MP3s together with a merging tool and then needing
> a newly calculated VBR null frame.
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
> The package appears to be lintian clean and the upload would fix the bug
> #434465, which is an ITP bug.
>
> The package can be found on mentors.debian.net:
> - URL: http://mentors.debian.net/debian/pool/main/v/vbrfix
> - dget http://mentors.debian.net/debian/pool/main/v/vbrfix/vbrfix_0.24-1.dsc
>
> I would be glad if someone uploaded this package for me.
>
>
>
> Kind regards, Rog?rio Brito
>
> --
> Rog?rio Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
> http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
> Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
>
>
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