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iTunes Match questions

1333 Views 9 Replies Latest reply: Dec 19, 2011 9:33 AM by roebeet RSS
Tromba12 Calculating status...
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Nov 14, 2011 11:21 AM

Does anyone know if iTunes Match will be able to match songs digitized from LP recordings?

 

Thanks, Tromba

MacBook Pro 15 (2.66 GHz Intel Core i7), Mac OS X (10.6.4)
  • BobPenn Level 1 Level 1 (30 points)
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    Nov 14, 2011 11:43 AM (in response to Tromba12)

    I am not sure, but I think if you added the proper tags to the recording it should match it?

  • gresmi Calculating status...
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    Nov 14, 2011 11:56 AM (in response to Tromba12)

    He means things like the correct album, artist and song title

  • Chris CA Level 9 Level 9 (73,410 points)
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    Nov 14, 2011 12:20 PM (in response to Tromba12)

    If the songs are at leats 96 kbps, it should.

  • Chris CA Level 9 Level 9 (73,410 points)
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    Nov 14, 2011 12:21 PM (in response to BobPenn)

    BobPenn wrote:

     

    I am not sure, but I think if you added the proper tags to the recording it should match it?


    iTunes Match does not use the tags.

  • MacDiverIA Level 1 Level 1 (15 points)
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    Dec 19, 2011 6:43 AM (in response to Chris CA)

    hmm... I guess that surprises me.  But I would be shocked if it used only the tags.  I'm in the process of ripping a bunch of old vinyl (somewhere in the order of 100 albums).  I'd like to get as good a match rate as possible.  Here's my plan:

     

    1. Check to see if iTunes has the Album I'm attempting to match the songs from.

    2. If it does, pull the times off the song list in iTunes and make sure the times are the same on the ripped songs.

    3. Rip at higher quality settings to get as good a sound file as possible.

    4. Spend at least some time removing hiss and pops to improve the quality of each song.

    5. Put as much of the metadata for the songs as possible -- matching what is in iTunes for the album/songs, as much as possible.

     

    Does it sound like a good plan?  I'd hate to spend 200 hours ripping vinyl and get 200 songs matched out of it, though I would still have my vinyl in my iTunes (the original limit of my intentions when I started the project -- well before iTunes Match was announced).  iTunes Match just makes it more interesting, I guess.

     

    Open to information/ideas/suggestions.

  • Chris CA Level 9 Level 9 (73,410 points)
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    Dec 19, 2011 9:11 AM (in response to MacDiverIA)

    I suggest you first simply RIP a few albums, add them to iTunes and see if iTunes can find a match.

    Do this before doing any tagging.

  • ardenus Level 1 Level 1 (140 points)
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    Dec 19, 2011 9:35 AM (in response to BobPenn)

    ITunes match uses the waveform signature of the song to match it to those available in the iTunes store. (with some exceptions, Mettalica songs have been matched but cannot be purchased from the iTunes Store). So as long as the LP's are in the iTunes store they should be matched.

     

    See the second Paragraph for Apples explanation on how iTunes match works:

     

    Firefox.png

  • roebeet Level 2 Level 2 (430 points)
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    Dec 19, 2011 9:33 AM (in response to MacDiverIA)

    There's another thread about this here, FYI:   https://discussions.apple.com/message/16783085#16783085 .   JiminMissouri and I have had an ongoing conversation on our matches.  I personally don't think metatags are being used so I wouldn't make that a high priority.  This is what I would prioritize on:

     

    1- Match up the beginning of the track as close to the iTM version as you can.  This is obviously very tricky if you don't have the iTM track to reference.  Maybe use Spotify as a guide?

    2- Pitch needs to be as close as possible.  If your TT doesn't have a quartz tool, you definitely want to make sure the TT is spinning at the correct rate.    Again, use Spotify if you can - if their version's pitch is different than your needledrop, then you'll likely have problems.

    3- Masterings.   If you have an old LP first pressing and iTM has a remastered version, you might have problems just because of that.  Depends on how "different" it sounds, fade in's / outs and length.   Re-mixes are probably going to be even worse maching i.e. The Doors or the Stones come to mind.

    4- Clipping.  I don't think this is a major factor, but avoiding clipping is always a good idea.

    5- Pops/clicks.   Again, I don't see it as a major factor unless they are heavy, like that "frying bacon" sound.

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