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Live Capture not in sync - Need input

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Dan Powers
Live Capture not in sync - Need input
on Mar 30, 2017 at 3:08:36 pm

Thanks for coming to my aid.

Black Magic Ultra Studio 4K. All drivers and PremProCC updated.

Feed a live video and audio feed into the SDI (or whatever) inputs on the Ultra Studio (or whatever you have)
and attempt to capture audio and video.
In my situation the video is delayed by 2 frames (30fps base) . Audio is embedded from a Sony PXW-X70 Camera with a wired mic.
Do the clap sync, and record direct into Premiere Pro Capture Via SDI input from the BMD Ultra Studio 4K.
Pro Res 59.94. Also recorded directly into Media Express with the exact same results.
So how do you delay the audio on an embedded stream?

Recording internally on the camera onto card, and importing to PPCC it is perfectly in sync.

How can you do live TV in this situation? It is either Sony SDI output embedding, or BMD/Sync, or Premiere Pro.
Based on my experience BMD is the weak link here. Sony has been doing broadcast TV longer than I have and thats a long freaking time.
Thoughts? Gonna corner some people at NAB!


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Dave LaRonde
Re: Live Capture not in sync - Need input
on Mar 30, 2017 at 4:39:13 pm

There's only one editor I know of that does that stuff reliably, and that's Avid.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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