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  #1  
Old 09-29-2021, 09:16 AM
Pythagor Pythagor is offline
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Location: Moscow Russia
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Default PT2021 and VirtualVTR

Hi, we have 4 studios running identical Virtual VTR/AJA KONA/PT10HD/MTC sync combination without any problems. Recently we upgraded two of them with PT 2021.3 and 2021.7. Since then we cannot play 1280x720@29.98 movies without immediate sync drift- about 1 sec in 10-15 sec of playback. This happens with and without external sync, SyncHD etc. I wonder if somebody has a knowledge what was that drastically changed in MTC sync between PT10 and 2021?

thanks
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  #2  
Old 09-30-2021, 01:40 AM
Frank Kruse Frank Kruse is offline
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Default Re: PT2021 and VirtualVTR

Hm, I thought VVTR was long gone. (32bit app).
Are you running that on the same machine as the 2021.7 rig? Might be an OS conflict? Not sure, sorry.
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PTHDn 2021.12 (OSX10.14.6), 8x8x8, MacPro 5,1 3.33Ghz 12-Core, BM DeckLink SDI, SYNC HD, all genlocked via AJA GEN10, 48GB RAM, Xilica Neutrino, Meyersound Acheron
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  #3  
Old 10-21-2021, 07:56 PM
EarHole EarHole is offline
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Default Re: PT2021 and VirtualVTR

Wow, haven't thought about VVTR in about a decade. Loved that set up but it's just too easy to keep in all in one session.
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Old 10-22-2021, 12:37 AM
Pythagor Pythagor is offline
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Default Re: PT2021 and VirtualVTR

Maybe, but it is totally error-AVE-free and sync is better. Also it depends how much you want to spend on hardware VS how busy your PT sessions are. Unloading video really helps.
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