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More => Old Versions => JRiver Media Center 18 for Windows => Topic started by: kurushi on April 01, 2013, 04:37:02 pm

Title: [solved]Is it possible to find "duplicates" with MC?
Post by: kurushi on April 01, 2013, 04:37:02 pm
Hi,
Does Mc can group the same songs name without to have other not "doublons" to be appear?
Thx (i hope i am clear if not feel free to ask more)
Title: Re: Is it possible to find "doublons" with MC?
Post by: MrC on April 01, 2013, 05:04:18 pm
Are you asking if you can find duplicate track names without showing non-duplicates?  In other words, Duplicates Only?
Title: Re: Is it possible to find "doublons" with MC?
Post by: kurushi on April 01, 2013, 07:55:53 pm
yes exactly again MrC you save me ^^
ps:title of the topic renamed
Title: Re: Is it possible to find "duplicates" with MC?
Post by: MrC on April 01, 2013, 08:07:11 pm
The easiest way is to use a Smartlist using the Modifer: Only Duplicates of and select the fields you want compared; in your case it's Name.  Add more fields as necessary to narrow the possible mismatches (for example, a track named "Angel" is listed 10 times in my library, by 9 different Artists).

Add also a Modifier: Sort by and select Name to automatically sort the list.
Title: Re: Is it possible to find "duplicates" with MC?
Post by: kurushi on April 01, 2013, 08:19:00 pm
Thx MrC for the answer it's for a french user in the french section of the forum but i 'll use it too.
Thx again MC and MrC rocks !
Title: Re: Is it possible to find "duplicates" with MC?
Post by: MrC on April 01, 2013, 08:24:26 pm
Nice words - I smiled.
Title: Re: Is it possible to find "duplicates" with MC?
Post by: nickeaston on April 01, 2013, 09:14:46 pm
There are other options  for owners of large libraries who are interesting in de-dupe-ping...

I have a routine that's extensive but works for me . 

Cannot de-dupe using metadata/tags...must use an analysis of the audio content...
Title: Re: Is it possible to find "duplicates" with MC?
Post by: jack wallstreet on April 01, 2013, 09:27:04 pm
I'm just plain lazier than Mr. C.   I use the search wizard which already has the "only duplicates of" and a nice drop down check box list.  I am disgustingly lazy about that.  I try to convince myself to use the smartlist and can't get myself to do it.
Title: Re: Is it possible to find "duplicates" with MC?
Post by: MrC on April 01, 2013, 09:28:43 pm
A Smartlist is just a remembered Search query.
Title: Re: Is it possible to find "duplicates" with MC?
Post by: kurushi on April 02, 2013, 09:32:04 am
Works like a charm i use smartlist so i don't need to make 2 times the same thing ;)
Thx to all who have helped!
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: TXgary on April 20, 2013, 10:09:30 pm
I have a large library and am looking to remove duplicates.
Have use the Possible Dups Smartlist, but it only does so much.
Would like to use only a part of a field (say the first 8 characters of ALBUM) so it would find dups of Anthology 1 disk1 and Anthology 1 DK1)
With this I would use the [artist],[name],[Part of Album],[track #]
Another way would be to use part of each field (say first 8 characters of [artist] and first 8 characters of [name], and first 8 characters of [album]
this would increase my dup findings as the first of each field is usually correct and the end is not.
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: yannis on April 21, 2013, 03:04:23 am
I don't think you can do this kind of comparing in MC. But you could use more general criteria to create a large smartlist based on some kind of duping and then sort and prune it.

To go back to an older suggestion, this part of the program would be greatly improved if the wizards that make MC took a good look at Calibre - it's based on Python and has some excellent functions to de-dupe its library, including the necessary ability to mark specific pairs as not dupes.

Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: MrC on April 22, 2013, 11:56:12 am
Another way to do this is to define a custom calculated user-field, that defines the criteria you want, for example, a field named _Dup_Helper defined as the first 8 chars of both album and artist:

  left([album],8)_left([artist],8)

and then you can use the search query modifier:

   ~dup=[_Dup_Helper]

and even more:

   ~dup=[_Dup_Helper],[Name]

Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: TXgary on April 25, 2013, 09:29:33 am
yes, this would work, but my database is so large that it would take "days" to populate the dup field.
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: MrC on April 25, 2013, 11:41:12 am
yes, this would work, but my database is so large that it would take "days" to populate the dup field.

I don't think I understand. You were going to write the rule in a smartlist.  Instead, you'd write it in a user field.    Why would it take days?
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: TXgary on April 25, 2013, 12:03:17 pm
I will try and see what happens. 
Thank you
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: TXgary on May 03, 2013, 08:15:52 am
Yes, great solution, but with a large database it does take hours to populate the records.
Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: nickeaston on May 03, 2013, 09:42:23 am
In my opinion, based on several years of de-duping of a third of a million tunes, comparing tags may be all the typical user needs, but there are more accurate methods of finding and deleting duplicates based on audio content fingerprinting, using tools like YADB, DoubleKiller, and SongKong, a relatively new app which interfaces with MusicBrainz and Discogs databases.

Title: Re: [solved]Is it possible to find "duplicates" with MC?
Post by: patsfan on May 05, 2013, 09:31:35 am
I have a duplicate problem. I have a large library and MC18 loads my Itunes Library as well,causing duplicates. I use my MC as default and then after I am done impotring I send what I want on my ipods to Itunes and MC reloads them . I have 8,000 duplicates because of this. I move iTunes library out on My MUSIC and told MC to ONLY IMPORT FROM MY MUSIC. I also told MC to IGNORE iTINES LIBRARY. How do I get the 4000 dups removed easily without one by one deleting. I also have to delete an iTunes duplicate TWICE for it to actually delete. ANY HELP WOULD KEEP MY SANITY.