Tried searching but can’t find the same issue however there are similar drift issues seen with ohter controllers…
Windows 11 Laptop OS Version 24H2
13th Gen i7-13620H (2.4Ghz) 16GB RAM
NVIDIA GeForce RTX4060 GPU 8GB
DJPro 5.6
Rane Performer Controller V1.3.0.13 - display V1.3.0.1 - DSP V1.3.0.5 - Motor V5.1.0.0
The issue I’m having is when I have different sized loops running, say 4 beats and 8 beats, the speed of one of the loops will be about 0.4% off. The issue doesnt appear to happen when the loops are equal length. BPM will be the same but one drifts as soon as loop size is changed.
To reproduce it, set 2 loops of the same BPM with platters running. Sync them up with sync or by ear. Turn off sync if you used it. When they are the same length (8 beats) they stay synced once setup. If you change one to 4 beats, they will slowly drift apart. With sync on they stay synced but that doesn’t help as I play along side other DJs song for song and chasing drift constantly while looping gets tiring after a few hours of playing or when we are doing a longer mix together.
The same issue occurs if I stem split a track and have it playing without sync on as well.
Things I’ve tried…
Different orientation of slip mats
Changing “Tempo Change Detection” on or off
Re-analyzing tracks
Meticulously setting my own beat grids
Obviously I would expect tracks to stay relatively synced up once bpms are matched and matched by ear or at least after using sync then turning it off as that should sync the bpms exactly up.
I noticed the 0.4% difference mixing in with another DJ and I would consistently have to be -0.4% of his BPM with my shorter loops to keep synced up. When playing we are all on different controllers as well.
I have included a video for reference
Hope all that info helps and can get us to a resolution.
I’ve never found looping to be an exact science, far too many variables involved to simply visually match the bpm numbers and press it. No matter if I’m using CDJs, Serato, Djay or whatever there is always a ‘by ear’ element involved to get them in time and keep them there.
This is understandable for sure however once loops are set and synced up, changing the number of beats shouldn’t change anything as the beats are equally spaced apart. Or maybe I’m misunderstanding what you are trying to say.
All things equal, beat grid, bpm ect. They should stay in line after all of thats lined up.
It should, but it isnt always the case, there could be micro differences in the timing between the halve and full length loop that may cause it. Is it doing it every single time or is it intermittent?
I’ll have to check if it does it everytime as I’ve only replicated it on 4 different occasions. Each time with different songs and BPMs. It will even do it if you have the same song loaded on both decks with the loop in the same start position as far as I’ve tested so far.
Just wierd that it can hold two longer loops together fine. But shorten one and thats when it happens. And like I said, it’s a fairly consistent 0.4% bpm shift as I’ve chased it by ear quite a bit at this point
Pretty noticable when you’re mixing in and out on other DJs as well. You can have everything lined up with them with an 8 beat loop for 32+ bars. Shift it down and it drops 0.4%
Ive just tried replicating the issue on my ipad (connected to a reloop flux with DVS) and i cant produce the issue, i was switching the loop lengths on screen several times and they remained in sync.
Perhaps its being caused by the hardware? ive found the midi connection to my DDJ-SP1 to be a bit flaky, cue pads are not accurate at all, so much so that i disconnect it when im using Djay and just solely use the ipad screen for everything.
I was leaning towards hardware as well because when I turn the motors off it doesn’t happen.
So thinking its a difference in platter speed. Might be nice to have an anti-drift setting in the app to account for that like some other DJ programs have. But would be a challenge being an external type mixer
Hi @12Volt_Wizard, thanks for the details about the issue and the video - this is very helpful. I’ve passed this onto our engineering team to see if they can reproduce this and offer and suggestions. In the meantime, can you please confirm if you only notice this with Dynamic BPM songs or does it also happen with Straight BPM songs? Thanks!
Hello everyone. Just wanted to provide a quick update. Our engineering team was able to reproduce this issue with the help of the videos and info you provided. They are investigating further. I’ll report back when I have more news. Thanks!
I’m also having this issue with the rane performer after having just purchased it yesterday, and have not experienced it on my previous control I was using with djay. There is a slight drift while looping making it very tedious to simply keep tracks in time even with quantise on. Was there ever a fix to this? Thanks team
