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#1
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Varispeed problem
I can't varispeed anything above zero. I can go 3 semitones down but not up.
If I go above zero, I get weird digital clocking noise. Below zero is fine. This is new. In the past few months. I was running HD Driver from 2023.3. I've tried re-installing the HD Driver from 2020.12, I've tried running ProTools back to 2023.3 (when I definitely know it was working). Nothing seems to work. Tried re-seating Loop-sync cables. I'm now on 2024.3 with HD Driver 2020.12. Same thing. Anybody seen this? Thanks Vince 2012 Mac, 192 G RAM, Mac OS 12.7 (Monterey), ProTools HDX2, Sync HD, ProTools 2024.3. |
#2
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Re: Varispeed problem
I'm confused what you mean since the Varispeed algorithm offers no user definable pitch control. It is determined by how much stretching is performed. Am I missing something?
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Pro Tools Ultimate 2024.3.1 MacBook Pro 16" Apple M2 Pro with 12‑core CPU, 19‑core GPU, 16‑core Neural Engine 32 GB unified memory 1TB SSD storage Ventura 13.6.4 |
#3
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Re: Varispeed problem
I assume you're using your Sync HD to do this.
https://cdn-www.avid.com/-/media/avi..._v90_70418.pdf Page 31 & 42. Did you read these ? |
#4
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Re: Varispeed problem
Quote:
Just wondering if anyone else has seen this. |
#5
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Re: Varispeed problem
Well if you're convinced that you've configured everything correctly then I would suspect hardware failure. Can you borrow or swap out your Sync/Interface to troubleshoot the failure point ? Or get a tech to diagnose the units?
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#6
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Re: Varispeed problem
Hi there,
I never need VSO but out of curiosity I just tried it with the below setup and it worked fine. No glitches or artefacts. 24.3 and 24.3 HD driver installed. Tried all the way down and up and no clicks or anything. In session setup: Clockmaster set to sync HD Clock reference set to internal / VSO Frank.
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PTHDn 2024.3 (OSX13.6.5), 8x8x8, MacPro 14,8, AJA LHi, SYNC HD, all genlocked via AJA GEN10, 64GB RAM, Xilica Neutrino, Meyersound Acheron |
#7
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Re: Varispeed problem
Thanks Frank,
I wonder if my Sync HD is acting up since it just started happening in the past few weeks. I do have someone who has a Sync HD I could borrow to test. I tried to varispeed up to pitch ProTools to match an accordion that wasn’t in tune with the track. That’s when I noticed it. Of course I could fix it later but … |
#8
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Re: Varispeed problem
Yeah, I hope you can find a fix. This was literally the first time I've tried VSO since I started on PT4.
I work in post so I never need it. But I'm glad that it works in case I do. Frank.
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PTHDn 2024.3 (OSX13.6.5), 8x8x8, MacPro 14,8, AJA LHi, SYNC HD, all genlocked via AJA GEN10, 64GB RAM, Xilica Neutrino, Meyersound Acheron |
#9
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Re: Varispeed problem
Quote:
I've re-seated all the cables today. Don't know why anything would have changed, nothing has moved in the machine room for a while. If that doesn't work I'll try to grab my buddies Sync HD and see what happens. Thanks for the help. Vince |
#10
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Re: Varispeed problem
I *thought* there was somebody else with Sync/Sync HD reported varispeed problems on DUC (in the last ~year?) but I searched DUC and can't find it.
My only naive question is does Digitest flag any problems? If you swap Sync HD boxes maybe also try simplifying the system, one HDX card, one interface box, on Digilink cable, try different clock cables, check they are digital/video cables, etc. |
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