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Re: [MMSEM] Music Use Case & FOAF

From: Michiel Hildebrand <Michiel.Hildebrand@cwi.nl>
Date: Wed, 28 Mar 2007 14:04:24 +0200
Message-Id: <8559F419-BB52-4BBC-9246-57509DD20580@cwi.nl>
Cc: RaphaŽl Troncy <Raphael.Troncy@cwi.nl>, public-xg-mmsem@w3.org
To: Oscar Celma <ocelma@iua.upf.edu>

Hi Oscar,
The rdfize is very nice.
It would be great if we could extend the api for batch processing.

After uploading a mp3 file I get in return all the nice stuff about  
the artist that was not in there before, however, I do not get the  
ID3 stuff about the track.
Is this intended?


On Mar 28, 2007, at 2:22 PM, Oscar Celma wrote:

> Hi,
> RaphaŽl Troncy wrote:
>> Hi Oscar,
>> Thanks for the detailed answers!
>>> Right now only title and artist. For the moment, I think it's  
>>> enough.
>>> More options could be the Musicbrainz/MusicDNS PUID [1].
>> Yes, I think it would also be great.
>> But who can generate the PUID ? Only the secret algorithm of  
>> MusicBrainz ?
> Nope! the secret algorithm comes from the clever MusicIP company  
> [1]. They provide the MusicDNS service [2][3], that is "linked"  
> with the MusicBrainz metadata repository. So, you can generate a  
> PUID with the client (open source), and then send it to their  
> servers, but the server side code (music similarity, and  
> identification) is completely closed.
>>> I meant "possible", in the sense that more metadata could be  
>>> filled in
>>> (see MO examples at [2], specially level 3).
>>> BTW, I think the conversion is quite straightforward and simple.
>> OK, I see. But you cannot get these additional metadata (that MO  
>> allows in the level 3) only
>> from the common ID3 tags ...
> No, we can't. We will need to apply some low-mid-level descriptors  
> from the audio. That's the use case shown in the /facet+music  
> application (browsing via different facets of the music).
> The problem is that computing this descriptors under demand (when  
> the mp3 URL is sent) is time-consuming. So, we will probably have  
> to stick with these editorial descriptors for the ID3 to MO  
> showcase implementation.
>> I think it would be great that in the use case you make a small  
>> table detailing what ID3 tags
>> you convert and their equivalence in MO, but as you said, it is  
>> quite straightforward ...
> Ok. I agree. I will do that, then.
> All the best,
> Oscar
> [1] http://mtg101.upf.es/podcast-urls.data
> [2] http://www.musicip.com/dns/index.jsp
> [3] http://en.wikipedia.org/wiki/MusicDNS
Received on Wednesday, 28 March 2007 15:57:48 UTC

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