Faulty Timecode Vinyl?

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Faulty Timecode Vinyl?
Posted on: 20.05.2012 by January Deeth
Greetings!

When i first started getting this issue about 2 weeks after i bought traktor i thought it was a latency issue, im now believeing that it could possibly be faulty time coded vinyl.

The problem is that during a mix the track skips 1 bar ahead sometimes. when it does happen i can rewind the track and it happens again in the same spot on the record, but the record seems to be in perfect condition..

I have turned off the wifi, checked my latency, and turned off the duelcore cpu. cpu is at least half way at all times.

I was believeing about recording a video of this happening to help to get a better diagnosis.

Any help or suggestion is greatly appreciated, let me know if you need anymore information.

Thanks!

Edit: A video of the skip in action from table view and computer view. sorry for the poor quality vid!
January Deeth
21.05.2012
Originally Posted by oneapemob
Maybe your tone arm is dirty/botched, so it jumps every time it gets to this point on any vinyl.
If you have a good eye and a good source of light at the right angle i'm pretty sure you could spot a defect on the vinyl itself.
Yeah i was believeing the tone arm on my tech might be done for, im going to replace it soon, but i dont believe that is causing the problem this time since it does not happen with normal vinyl.

I am starting to believe that my laptop just isnt right for it, perhaps one of you could take a look at this link and let me know how underpowered i am. iv seen the specs for traktor and i dont believe im that far off.

http://support.dell.com/support/edoc...html/specs.htm
January Deeth
20.05.2012
Originally Posted by djlotus
Is it only with one track or with all tracks?
All tracks.
January Deeth
20.05.2012
Originally Posted by bumtsch
MK1 or MK2 timecode?
And it's always at the same spot on the record... Spinning it on both decks? How about the flip side of the record? Swapped needles/carts?
What does the scope look like when it skips? Take a really good look at the record itself. There might be some kind of scratch, or a hint of junk stuck in the groove. If it's always in the same spot I'm not sure it's just a dirty needle, but it doesn't hurt to clean em'up. I had a nasty glitch while test driving my mk2 records at a significant gig the other day... at first I assumed it was the really obvious dust on the needles, but back home, it turned up to be some crap stuck into the record (lots of drinks flying around that evening ...).

What you can do as well is make a little recording of the faulty area on the timecode signal and post the file up here (30 seconds oughta be good). Someone else here can play it through their traktor and see if the playback jumps for them too (I'd do it). Over at the NI community , the developer in charge of timecode decoding often asks for samples in such cases so he can take a proper look. We can try and reproduce the glitch, we won't be able to fix it, but it can help rule out an issue in your particular software.
Thanks alot the replied fellas.

I am using MK2 vinyl, and yes it happens on the flip sides with both vinyl. in the same spots! hehe. Kind of amazing to me that
both vinyls on both sides would be defective thats what made me look into it being a latency problem or something at first.

I have swapped needles and that didnt work either, all though my needles are pretty old and warn so that could be the problem but one would believe it would just skip all the time if that were the case, im not sure tho. The records do not seem to have any build up, they are only a month old and have never left my studio.

I am going to try to get an example posted up today if i get the time.

I just wanted to note that i do not have cdjs to try out the cds but i do use normal vinyl as well and never have skipping issues so it has to be the time coded vinyl or the software or my pc... lol..
January Deeth
20.05.2012		Greetings!

When i first started getting this issue about 2 weeks after i bought traktor i thought it was a latency issue, im now believeing that it could possibly be faulty time coded vinyl.

The problem is that during a mix the track skips 1 bar ahead sometimes. when it does happen i can rewind the track and it happens again in the same spot on the record, but the record seems to be in perfect condition..

I have turned off the wifi, checked my latency, and turned off the duelcore cpu. cpu is at least half way at all times.

I was believeing about recording a video of this happening to help to get a better diagnosis.

Any help or suggestion is greatly appreciated, let me know if you need anymore information.

Thanks!

Edit: A video of the skip in action from table view and computer view. sorry for the poor quality vid!
January Deeth
28.08.2012		confirmed
January Deeth
17.08.2012		built a new pc, no skiping so far. im pretty sure my laptop was under powered.
Yong Aptekar
17.06.2012		^epic first post award to you if that works!

Any update? I'm interested because I used to have an old hifi turntable that did the same thing, and I just got a new one because they are a dime a dozen now.
Gita Nebel
17.06.2012		I found this post looking for info on how well timecode vinyl works... But I believe I know what might be the trouble you are having. I recently acquired a 1210 and it exhibited this exact problem with every vinyl i tried with brand new carts.

The trouble was the screw on top of the tonearm (at the highest point of the tonearm pivot) was too tight and it was stopping the arm moving towards the center of the vinyl and making the arm skip backwards slightly at a certain point.

Try loosening that tiny screw about an 8th of a turn. See if it helps.
January Deeth
20.05.2012		heheh perhaps. im waiting for a friend to come over so we can use his laptop to see if it still does it.

If not then i guess i have my answer. sorta.. heh
Delila Vandommelen
20.05.2012		There's an obvious hit on the timecode level meter there, usually a big pop on the record (whether from dust or just a scratch/dent)... but on both sides of the two records. Maybe they were both pinned to the wall together in the shop's basement ?
January Deeth
20.05.2012		2 gig ram max, thats what i have now. Im pretty sure there are some things that i should be closing.
nothing huge tho.

Video evidence!
Dannielle Dingey
20.05.2012		I would rule out needles, TT's 'n stuff because regular vinyl works.
Same goes for software & laptop, just 1 point (and same point) every time ? (should occur on different moments).

The two side story is strange, do you have some MKI vinyl to double check ?
If not, try that vinyl at a friend or store to rule out the other options.

Good luck, I hope it's faulty vinyl.

Ps. hard to say about you LT (no nfo on state of OS, bloatware, % free space, how much RAM does it runs, ...)
January Deeth
21.05.2012
Originally Posted by oneapemob
Maybe your tone arm is dirty/botched, so it jumps every time it gets to this point on any vinyl.
If you have a good eye and a good source of light at the right angle i'm pretty sure you could spot a defect on the vinyl itself.
Yeah i was believeing the tone arm on my tech might be done for, im going to replace it soon, but i dont believe that is causing the problem this time since it does not happen with normal vinyl.

I am starting to believe that my laptop just isnt right for it, perhaps one of you could take a look at this link and let me know how underpowered i am. iv seen the specs for traktor and i dont believe im that far off.

http://support.dell.com/support/edoc...html/specs.htm
Bertie Metro
20.05.2012		Maybe your tone arm is dirty/botched, so it jumps every time it gets to this point on any vinyl.
If you have a good eye and a good source of light at the right angle i'm pretty sure you could spot a defect on the vinyl itself.
January Deeth
20.05.2012
Originally Posted by djlotus
Is it only with one track or with all tracks?
All tracks.
Ira Alsadi
20.05.2012		Is it only with one track or with all tracks?
January Deeth
20.05.2012
Originally Posted by bumtsch
MK1 or MK2 timecode?
And it's always at the same spot on the record... Spinning it on both decks? How about the flip side of the record? Swapped needles/carts?
What does the scope look like when it skips? Take a really good look at the record itself. There might be some kind of scratch, or a hint of junk stuck in the groove. If it's always in the same spot I'm not sure it's just a dirty needle, but it doesn't hurt to clean em'up. I had a nasty glitch while test driving my mk2 records at a significant gig the other day... at first I assumed it was the really obvious dust on the needles, but back home, it turned up to be some crap stuck into the record (lots of drinks flying around that evening ...).

What you can do as well is make a little recording of the faulty area on the timecode signal and post the file up here (30 seconds oughta be good). Someone else here can play it through their traktor and see if the playback jumps for them too (I'd do it). Over at the NI community , the developer in charge of timecode decoding often asks for samples in such cases so he can take a proper look. We can try and reproduce the glitch, we won't be able to fix it, but it can help rule out an issue in your particular software.
Thanks alot the replied fellas.

I am using MK2 vinyl, and yes it happens on the flip sides with both vinyl. in the same spots! hehe. Kind of amazing to me that
both vinyls on both sides would be defective thats what made me look into it being a latency problem or something at first.

I have swapped needles and that didnt work either, all though my needles are pretty old and warn so that could be the problem but one would believe it would just skip all the time if that were the case, im not sure tho. The records do not seem to have any build up, they are only a month old and have never left my studio.

I am going to try to get an example posted up today if i get the time.

I just wanted to note that i do not have cdjs to try out the cds but i do use normal vinyl as well and never have skipping issues so it has to be the time coded vinyl or the software or my pc... lol..
Delila Vandommelen
20.05.2012		MK1 or MK2 timecode?
And it's always at the same spot on the record... Spinning it on both decks? How about the flip side of the record? Swapped needles/carts?
What does the scope look like when it skips? Take a really good look at the record itself. There might be some kind of scratch, or a hint of junk stuck in the groove. If it's always in the same spot I'm not sure it's just a dirty needle, but it doesn't hurt to clean em'up. I had a nasty glitch while test driving my mk2 records at a significant gig the other day... at first I assumed it was the really obvious dust on the needles, but back home, it turned up to be some crap stuck into the record (lots of drinks flying around that evening ...).

What you can do as well is make a little recording of the faulty area on the timecode signal and post the file up here (30 seconds oughta be good). Someone else here can play it through their traktor and see if the playback jumps for them too (I'd do it). Over at the NI community , the developer in charge of timecode decoding often asks for samples in such cases so he can take a proper look. We can try and reproduce the glitch, we won't be able to fix it, but it can help rule out an issue in your particular software.
Dannielle Dingey
20.05.2012		Try your setup with timecode cd's (you can download it if you don't have the cd's).
If the same problem occurs then the problem is in the program, if not then you have faulty timecode vinyl.

Ps. do you have the same problem with both your vinyls ?

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