Doubling and Halving large amounts of Traktor tracks

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Doubling and Halving large amounts of Traktor tracks
Posted on: 04.09.2012 by Mackenzie Weersing
Hey, I got a large library that has just been beatgridded in traktor only issue being that much of the BPM is either half or double what it really is. I tried cleaning them up with some scripts in MP3Tag (Round to interger and double/halve BPM) but it seems Traktor draws that info from its collection.nml and I don't see an option to force a reread of tags (tried a consistency check) so I have fixed tags, but Traktor displays old info.

How can I get this info to update. I heard about a program called trainspotter that could help since it can help update the collection.nml but I havent heard anything else.

Thanks
Mackenzie Weersing
05.09.2012
Originally Posted by Lilac
24 hours to just rewrite the BPM tags with an analyser? I'm not saying analyse each track in Traktor too. Then I can see it going for a while but just a BPM counter? It takes me about an hour with 700 songs or so
Oh no. I've already changed my BPM on a tagging level. My issue is the tractor gets its bpm information from the collection file and not the tags. I just need to know how (if at all) to update the collection BPMs to match my tag BPMs.
Ossie Pooley
05.09.2012
Originally Posted by droxpopuli
You mean it wont end up doing a full analysis that will take about 24+ hours? :P
24 hours to just rewrite the BPM tags with an analyser? I'm not saying analyse each track in Traktor too. Then I can see it going for a while but just a BPM counter? It takes me about an hour with 700 songs or so
Mackenzie Weersing
05.09.2012
Originally Posted by Lilac
It'd be a lot easier to just rewrite the BPM tags and reload completely. Shouldn't take more than an hour or so, depending on how big your music collection is.
You mean it wont end up doing a full analysis that will take about 24+ hours? :P
Mackenzie Weersing
05.09.2012
Originally Posted by SirReal
Why don't you just click the 1/2 or 2x button when you load the track to actually mix it? That way, at least you'll know whether the track was worthy enough to play out.
That can work. I'll do that until I get a chance to try trianspotter. (Although I already have had my songs star rated from a while ago to know how playable they are.)
Mackenzie Weersing
06.09.2012		Oi, I got it fixed. Ended up using trainspotter's "refresh tags" script and that did it all well. The developer may even be inplementing a double and halving BPM script.
Mackenzie Weersing
05.09.2012
Originally Posted by Lilac
24 hours to just rewrite the BPM tags with an analyser? I'm not saying analyse each track in Traktor too. Then I can see it going for a while but just a BPM counter? It takes me about an hour with 700 songs or so
Oh no. I've already changed my BPM on a tagging level. My issue is the tractor gets its bpm information from the collection file and not the tags. I just need to know how (if at all) to update the collection BPMs to match my tag BPMs.
Shonda Soulier
05.09.2012		When I first got Traktor it took me a few tries to get it right. Now I analyze by genre to pre-set ranges. Then I lock the ones that came out right, manually edit the ones that didn't.

Yes, it will take longer than usual, but it's work that you'll never have to do again. That's efficiency to me.

Batch editing the tags won't get me anywhere in Traktor unless I'm pulling in tracks from iTunes.
Ossie Pooley
05.09.2012
Originally Posted by droxpopuli
You mean it wont end up doing a full analysis that will take about 24+ hours? :P
24 hours to just rewrite the BPM tags with an analyser? I'm not saying analyse each track in Traktor too. Then I can see it going for a while but just a BPM counter? It takes me about an hour with 700 songs or so
Rosina Steinkuehler
05.09.2012		If you have batch scripts to alter the BPM run them and then right click on the files and select 'check consistency' in traktor?
Mackenzie Weersing
05.09.2012
Originally Posted by Lilac
It'd be a lot easier to just rewrite the BPM tags and reload completely. Shouldn't take more than an hour or so, depending on how big your music collection is.
You mean it wont end up doing a full analysis that will take about 24+ hours? :P
Leeanna Ayla
05.09.2012		If you know what the BPM needs to be you can select a batch, right click, choose edit and manually enter the BPM on that batch.
Ossie Pooley
05.09.2012		Okay, it takes me an hour. =P
Latoria Kavulich
05.09.2012		^ an hour, i wish!
Ossie Pooley
05.09.2012		It'd be a lot easier to just rewrite the BPM tags and reload completely. Shouldn't take more than an hour or so, depending on how big your music collection is.
Mackenzie Weersing
05.09.2012
Originally Posted by SirReal
Why don't you just click the 1/2 or 2x button when you load the track to actually mix it? That way, at least you'll know whether the track was worthy enough to play out.
That can work. I'll do that until I get a chance to try trianspotter. (Although I already have had my songs star rated from a while ago to know how playable they are.)
Antonetta Wikel
04.09.2012		Why don't you just click the 1/2 or 2x button when you load the track to actually mix it? That way, at least you'll know whether the track was worthy enough to play out.
Mackenzie Weersing
04.09.2012		I know that, but I'm efficient/lazy. I already got macros for doubling and halving the BPM tag, I just need Traktor to read them and I' just curious if there is any way to update from tags.
Antonetta Wikel
04.09.2012		You know there a 1/2 & 2X BPM buttons in Traktor right? Iknow it's a pain but you can quickly fix your problem in a few hours while sitting in front of the tele.
Mackenzie Weersing
04.09.2012		Yea but I know what songs are double and half and can bulk change them in Mp3tag. I just want Traktor to somehow rescan my meta data to get the new BPM that I updated. A doubling or halfing shouldn't even cause any issues when playing. The thing is, this is much father than analysis, but Traktor ignores the BPM tag.
Ossie Pooley
04.09.2012		Isn't your problem that the BPMs are off by half or double?
Mackenzie Weersing
04.09.2012		Wont it take several hours again regridding everything (and wont it overwrite my already adjusted BPM values)?
Ossie Pooley
04.09.2012		Delete the collection file and analyse the tracks again
Mackenzie Weersing
04.09.2012		Well I mean it is just such a large library I have. I honestly should have done each genre separately with a different range, but I was gonna be away from my comp for a few days so I just did it all in one.
Angella Tsukerman
04.09.2012		True, I'm sure there've been a few threads on analysing tracks, may be worth a search
Mackenzie Weersing
04.09.2012		Would take a while, but it seems like the only option as it seems.
Angella Tsukerman
04.09.2012		As in you've just brought the collection in and told it to beatgrid all of them in one big go? If you haven't done any tinkering with the beatgrids, which I imagine you haven't if you had this problem, it may be easier to just tell Traktor to reanalyse the low BPM tracks but set the BPM range as something fairly high (believe it's an option when you select analyse) and then the other way round for the high BPM tracks.

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