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Tempo fluctuations with Pro 1.1.1

Discussion in 'Technical Issues (Archive)' started by dej47, Mar 10, 2009.

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  1. dej47

    dej47 NI Product Owner

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    155
    Hey guys, this has been buggin the hell out of me. I did the update to 1.1.1 and seem to be having more problems then before. The sticker drift is still there in absolute/relative mode. It drifts by .1/.2 and sometimes the tracks BPM just jumps big time by 15+ and then returns. My audio settings are 4.0 ms at 44000hz. Any idea's?
     
  2. Ivan77

    Ivan77 Forum Member

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    147
    I have the same problem.
     
  3. DJ Freshfluke

    DJ Freshfluke Traktor Mod

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    26,792
    can you describe more detailed what exactly happens?
    i can not follow...
     
  4. DiscoNova

    DiscoNova NI Product Owner

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    1,207
    On my opinion, what the OP described is not "sticker drift" but "tempo fluctuation". But your mileage may differ.
     
  5. dej47

    dej47 NI Product Owner

    Messages:
    155
    The way i understood sticker drift is that the BPM fluctuates by small increments. If I'm wrong please define sticker drift as it may be tempo fluctuation then. If i'm using timecode vinyl the tempo never stays constant making it a hassle because synced tracks constantly need to be synced which takes my mind off of doing more complicated mixes.
     
  6. Rasmuffin

    Rasmuffin NI Product Owner

    Messages:
    1,584
    A fluctuation of 15 BPM is odd, but the slight variation can just be wow and flutter. You'll need to keep an eye on your tracks being sync'd when using TC Vinyl. But it should stay there for at least a minute with very little change. What sync mode are you using? What TTs do you have? I would stick to Manual internal mode for master tempo. Works with no problem for me.
     
  7. dej47

    dej47 NI Product Owner

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    155
    hmm interesting. I was under the impression there is only one sync mode. I'm using the TT vinyls from traktor scratch all my equipment is 3 months old tops. Whats the difference between internal mode and scratch control?
     
  8. Rasmuffin

    Rasmuffin NI Product Owner

    Messages:
    1,584
    Not internal mode for playback. Internal clock mode for master tempo. Auto doesn't work too well with vinyl.
     
  9. lethal_pizzle

    lethal_pizzle NI Product Owner

    Messages:
    10,599
    Yes you will get tempo variations due to wow and flutter. This is more noticeable on TSPro as opposed to TS because your readout is accurate to 0.01 bpm as opposed to 0.1 bpm.

    'Sticker drift' used to be apparent in relative mode and refers to the fact that when scratching back and forth Traktor would slightly 'lose' the position of the sample on the record - ie. if you were a turntablist and stickered your cue point for beat juggling or similar you couldn't rely on it to remain accurate. This apparently has been sorted.
     
  10. dej47

    dej47 NI Product Owner

    Messages:
    155
    Ok i get what sticker drift is now, but what is the solution for tempo fluctuations, rasmuffin sounds like you had solution could you elaborate further i'm not quite following still.
     
  11. Rasmuffin

    Rasmuffin NI Product Owner

    Messages:
    1,584
    It's necessary to use the manual master tempo, best with the internal masterclock and sync your decks to that. You should get the large fluctuations using this. Top right corner of the screen, click the metronome icon to change these settings.

    Hope that's all you need to do.
     
  12. DiscoNova

    DiscoNova NI Product Owner

    Messages:
    1,207
    I finally got around to making a video of this (at least I believe this is the same problem as described by o.p.) and post it on the net.

    [ame="http://www.youtube.com/watch?v=pN9kWaUYQX4"]YouTube - Traktor Scratch Pro - Master Clock Tempo Bug[/ame]

    I haven't seen any comments if this is among the things that shall be fixed in the upcoming update, but hopefully it will be addressed sooner (instead of later) - this is one of the very few actual bugs (I have very strict definitions for bugs and features, and this is definitely a but) in TSP, and when it manifests itself, it is very frustrating.
     
  13. DJ Freshfluke

    DJ Freshfluke Traktor Mod

    Messages:
    26,792
    it would be probably easier if you would tell us what you're clicking/doing.
    i still have no clue what this thread is about, sorry :(
     
  14. DiscoNova

    DiscoNova NI Product Owner

    Messages:
    1,207
    In the video I say: "I'm about to play a bit of song, grap it into beatmasher to get a nice loop going, stop the deck and then restart it a couple of times so you can see how the bug manifests itself". On the video I use CUE for restarting the deck, but there is really no difference whether this is done by pressing CUE, PLAY or any of the HOTCUEs - the same thing (master clock fluctuating and messing the sound up) happens anyway.

    Furthermore; I think the tempo display onscreen is not totally synced to what I'm doing. The reason for this is that for some reason, my screen capture software was only able to record @ 23fps, so I was forced to stretch the picture-in-picture video. It's not off by a lot, though.
     
  15. DJ Freshfluke

    DJ Freshfluke Traktor Mod

    Messages:
    26,792
    i can only assume that the tapping in the end starts and stops the deck.
    also, you dont mention any beatmasher settings, but anyways....

    isnt the tempo fluctuation related to your tapping? are your hands quantized? ;)


    if you would grab that loop with the loops section and use a hotcue it would sound the same but without the speeding up or down, since in non-quantized mode you were just off and in quantized mode the playhead would jump a little before and after the hotcue to balance the unevenness of human actions.
     
  16. DiscoNova

    DiscoNova NI Product Owner

    Messages:
    1,207
    However fast/slow I tap the thing, it shouldn't change the tempo of the master clock; it is the master clock source I'm starting... the tempo of the source does not change no matter how "unquantized" I start it. It *is* the master clock source.

    Edit: To be more precise; I would understand if there was a short jump in the audio signal whenever I restart the master clock source (like when I press sync and it "jumps" into same ohase with the master clock) but those strange tempo speedups/slowdowns when I start the deck, I do not understand.
     
  17. DJ Freshfluke

    DJ Freshfluke Traktor Mod

    Messages:
    26,792
    what master clock mode are you on?

    the behavior you describe is logical, if the deck is the master.
    try setting the master clock as master (int)!
     
  18. DiscoNova

    DiscoNova NI Product Owner

    Messages:
    1,207
    The mode is "manual" (and set to the deck A). However, I fail to see the logic?
     
  19. DJ Freshfluke

    DJ Freshfluke Traktor Mod

    Messages:
    26,792
    in MAN mode, the master clock follows the deck, where you click with an unsteady tempo...

    as described, you should set it on INT.
    then, the master clock is the master and wont be unsteady anymore.
     
  20. fancyp

    fancyp New Member

    Messages:
    2
    I have the same problem (Which to your replies I understand you dont see as a problem). But anyhow, wouldnt setting the master clock as master mean that you have to tap in each songs bpm? No reason for the beatmasher to follow the decks bpm after it has been activated right?
     
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