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Author Topic: YADB Questions?  (Read 2691 times)

mander

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YADB Questions?
« on: December 30, 2002, 12:03:13 am »
Anyone know how this technology is working?  What type of info is it using to attemt identity of the file?  It seems a lot less accurate that ID3Man.  Might be because the db isn't as complete yet.  

Just trying to determine how they are doing the compare.

Also how about a stats page for people submitting song/cd info.... :)

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JorgeGVB

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Re: YADB Questions?
« Reply #1 on: December 30, 2002, 04:16:11 am »
I just ripped about 500 CDs over the past 6 weeks and it worked pretty well.  Yes, there are mistakes and missing data, like Year, Genre, etc.  Still today some common CDs are not found,  however, many uncommon titles were found.  In all, I would guess my positive hit rate was about 80%.  Also, there has been a big improvement in the past few weeks.  

I have tried to upload some info on CDs that are missing myself, but I am not sure how long it takes for them to be added.  Info I sent up a few weeks ago is still not available.  Someone posted a link to find some stats about YADB, but I can't find it now.  Maybe someone can post the link again.

As a suggestion, I think YADB should reject uploads with incomplete data.  When you have a lot of missing info with a large collection, it can be more work trying to find out what is missing and getting it corrected.  Also, there does not appear to be any standardization on album titles names, configurations and multiple disc sets.
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KingSparta

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Re: YADB Questions?
« Reply #2 on: December 30, 2002, 04:36:49 am »
>> As a suggestion, I think YADB should
>> reject uploads with incomplete data
oh Yes Lord

Beging for a GUI that will not allow a user to send incomplete info.


one other thing that could be done is lets say 10 users up load info

Artist: Joe, Song: Love Me, Genre: Pop Album: Greatest Hits Year: 1971
Artist: Joe, Song: Love Me, Genre: R&B Album: Greatest Hits Year: 1971
Artist: Joe, Song: Love Me, Genre: None Album: Greatest Hits Year: 1971
Artist: Joe, Song: Love Me, Genre: Pop Album: Younger Years Year: 1971
Artist: Joe, Song: Love Me, Genre: Top-40 Album: Greatest Hits Year: 1972
Artist: Joe, Song: Love Me, Genre: Pop Album: Gold Album Year: 1971
Artist: Joe, Song: Love Me, Genre: Pop Album: Greatest Hits Year: 1971
Artist: Joe, Song: Love Me, Genre: Pop Album: Greatest Hits Year: Blank
Artist: Joe, Song: Love Me, Genre: Pop Album: Greatest Hits Year: 1971
Artist: Joe, Song: Love Me, Genre: Pop Album: Greatest Hits Year: 1971

After the server collects the info The User Will See and get what Comes Up Most Often:

Artist: Joe, Song: Love Me, Genre: Pop, Album: Greatest Hits Year: 1971
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John Gateley

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Re: YADB Questions?
« Reply #3 on: December 30, 2002, 08:34:08 am »
Quote
Anyone know how this technology is working?  What type of info is it using to attemt identity of the file?  It seems a lot less accurate that ID3Man.  Might be because the db isn't as complete yet.  

Also how about a stats page for people submitting song/cd info.... :)



I think it works well, but the database is still small (45000 tracks at
the moment).

I'll see about the stats page...

j
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mander

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YADB Features??
« Reply #4 on: December 30, 2002, 08:46:11 am »
Okay so how about a way to preview the results before they are applied to a file?  This would allow you to see what info it is finding.  Some stuff I have year, etc and YADB doesn't but it has everything else.  

MusicMatch has a fairly good interface for this when it identifies files.....  

Also does anyone know what info it uses to identify?  File duration, part of the existing tag info, etc???

I find that items that are not in YADB I end up going to cddb.com and looking up the artist/song and filling in the rest of the info.  A quick link to CDDB with search filled in would be great :)

Matthew
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KingSparta

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Re: YADB Questions?
« Reply #5 on: December 30, 2002, 11:59:23 am »
>> Also does anyone know what info it uses to
>> identify?  File duration, part of the existing tag
>> info, etc
more than likely MM is using somthing like MJ where MJ will look at the data in the audio file and then come up with a data ID.

a way to test this would be to lookup a properly taged file to make sure it works and looks up the right file. then wipe out all tags and rename the file name to something like test.mp3. then look up the file it it returns the correct info then it would be data ID, if not they may be using the tags, and or file name. maybe somthing to do Jan 1st when i am bored

something like this is also used on som P2P software to ID the track. Napster had worked on somthing like this prior there Death.

>> A quick link to CDDB with search filled in
>> would be great
I think that might violate CDDB website useage agreement. besides there website lookup does not work all that well.

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mander

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Re: YADB Questions?
« Reply #6 on: December 30, 2002, 12:50:28 pm »
So what is a better song/track/album text search?

Maybe an interface into YADB that would allow you to search tag info....

If they are using audio footprinting will that be different per bit rate?  Lower bit rates might not ID the same??

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KingSparta

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Re: YADB Questions?
« Reply #7 on: December 30, 2002, 03:54:28 pm »
Quote
If they are using audio footprinting will that be different per bit rate?  Lower bit rates might not ID the same??  


I don't know how It works.

And Another question I would have is if it was encoded on MM Or RealOne Would it be diffrent than encoded with MJ\MC
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JimH

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Re: YADB Questions?
« Reply #8 on: December 30, 2002, 04:26:27 pm »
Without giving away too much....

Gateley and Matt worked out a way to recognize the pattern of the music and to create a "signature" that represents it.  It is not dependent on the bitrate or the encoding method used.

It was a nice piece of work they did.
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mander

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Re: YADB Questions?
« Reply #9 on: December 30, 2002, 04:38:04 pm »
So when is JRiver getting a patent on that technology?  Thats what it is all about these days.  Design something briliant and patent it :)

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mander

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Re: YADB Questions?
« Reply #10 on: December 30, 2002, 04:39:28 pm »
Is this something similar to what http://www.auditude.com/ has done?  If so your process is 3x or more faster :)
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John Gateley

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Re: YADB Questions?
« Reply #11 on: December 31, 2002, 05:25:33 am »
What we do is similar, but with a different purpose: we want to ID a song, and don't mind an occasional false positive (getting two or more answers, or a wrong answer) .

They are trying to track distribution, and so false positives are more expensive.

We could run at a similar level of sureness, but it would probably then lose the 3x speedup.

j
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Kniesi

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Why YADB?
« Reply #12 on: December 31, 2002, 05:31:33 am »
Why there's no option to change the CD-Database in Media-Center (i. e. to CDDB)? I'm from Germany and there still aren't many datafiles with german content. Isn't it possible?
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xen-uno

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Re: YADB Questions?
« Reply #13 on: December 31, 2002, 04:03:47 pm »
> Why there's no option to change the CD-Database in Media-Center (i. e. to CDDB)?

Because CDDB lookup is gone, history, kaput, no mas, finito. YADBa dabba do!

10-27

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