Re: [Audacity-devel] Completing the metadata editor

[Federico G. <gr...@rf...>]

On Sat, May 19, 2007 at 09:07:04PM -0500, Leland wrote:
> While looking into the shy tag dialog during MP3 export, I noticed that the
> metadata editor is not yet complete.  The Load, Save, and Save Default
> buttons do not function and the I think there should probably be a Cancel
> button as well.
> 
> So, what file format should the Load and Save use?  Should it be a plain
> text file with each line containing the tag name. followed a colon
> separator, and finally the tag value...basically, the exact same format as
> batch commands.
> 
> Or should it be XML since the writing code already exists for the project
> file, so adding the read side would be all that was needed.
> 
> I would assume that the Save Default button would cause them to be saved in
> the preferences file so they could be easily transported with the rest of
> your settings.

Hello Leland and other Audacity developers,

We are a radio station using Audacity for audio editing and thus meta-data is
rather important to us (and others like us).  While ID3 information is a good
start for storing meta data, there are many additional types of meta data that
Audacity will hopefully be flexible enough to handle.  Ogg Vorbis tags are one
such example, some other examples include the Broadcast Wave format chunk and
the Cart chunk to store broadcast related meta data.  While we do not expect
the Audacity developers to implement all of these meta data formats (instead,
just the opposite, we hope to contribute some of that effort), we do hope that
a flexible framework is put in place that can allow for other meta data types.


# Broadcast wave info

http://www.ebu.ch/en/technical/publications/userguides/bwf_user_guide.php

http://72.14.209.104/search?q=cache:oZDIKGZel-MJ:www.ebu.ch/trev_274-chalmers.pdf+broadcast+wave&hl=en&ct=clnk&cd=1&gl=us

# Cart chunk info

http://cartchunk.org:8080/


Some examples we have seen that are good models include the cooledit program
which had a nice "tabbed" meta data viewer/editor.  The waveviewer utility is
an example of another program that could view several types of meta data.  

# link to screenshots of cooledit and waveviewer meta data viewers/editors

http://techweb.rfa.org/grauf/metadata/

regards,
donfede and Radio Free Asia Technical Operations

-- 
Federico Grau
Free Software Developer and Sysadmin
Radio Free Asia
2025 M Street, NW
Suite 300
Washington, DC  20036
202-587-2046  Telephone
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