Media Express Frames Dropping

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Rackanak

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  • Joined: Sun Jul 01, 2018 4:35 pm
  • Real Name: Kirk Mitchell

Media Express Frames Dropping

PostSun Jul 01, 2018 4:54 pm

Trying to figure out why our frames keep dropping. I've searched old posts and they aren't our situation. We're capturing on a new iMac that is only using Media Express. We are trying to capture at ProRes 422 and it will record about 5-30 minutes then drop frames and stop the capture.

CPU usage while recording averages between 25-35% but never gets above 40%.
We have 5 TB available on our SAS external drive. Black Magic Disk Speed Test shows that on our drive it's writing 300 mb/s and reading 330 mb/s.

We have the speed, we have the cpu. I can't figure out why it keeps dropping frames.

2017 Retina 5k iMac
4.2 GHz i7
32 GB 2400 MHz DDR4
Radeon Pro 575 4096 MB

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