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Another audio drift
Posted by Cade Muhlig on January 12, 2011 at 6:22 amHey I’m ingesting some video from a VHS deck with a kona lhe, the audio is through a mackie onyx and then firewire.
I get about a 5 second audio drift forward at about 10 mins and 17 seconds at 45 mins of the video.I looked around the forum, but there are some many different scenarios of audio drift it’s hard to find the right one.
Here is a screen shot of the capture settings…

Thanks
Cade Muhlig replied 15 years, 3 months ago 3 Members · 10 Replies -
10 Replies
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Jerry Hofmann
January 12, 2011 at 1:48 pmGet the Audio and video going both through the Kona. Just send the analog signals down the same path, and you’re problem is likely to go away.
Jerry
Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: https://blogs.creativecow.net/Jerry-Hofmann
Current DVD:
https://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17″ MBP, Matrox MXO2 with MAX – Cinema Displays I have a 22″ that I paid 4k for still working. G4 with Kona SD card, and SCSI card.
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Cade Muhlig
January 12, 2011 at 4:04 pmAny other way? I’d really like to keep the flexibility FireWire gives me. It frees up the few outputs I have on the little board.
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Jerry Hofmann
January 12, 2011 at 4:10 pmNo other way I know of… You could add some sort of mixer to the setup, and then just connect your analog outs from decks to it, then on to the Kona…
Jerry
Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: https://blogs.creativecow.net/Jerry-Hofmann
Current DVD:
https://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17″ MBP, Matrox MXO2 with MAX – Cinema Displays I have a 22″ that I paid 4k for still working. G4 with Kona SD card, and SCSI card.
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Cade Muhlig
January 12, 2011 at 4:18 pmThat’s what the Mackie is, an 8 input mixer. There has got to be some solution.
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Jerry Hofmann
January 12, 2011 at 4:30 pmDoe the mixer have analog outs? If so connect it to the Kona.
Jerry
Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: https://blogs.creativecow.net/Jerry-Hofmann
Current DVD:
https://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17″ MBP, Matrox MXO2 with MAX – Cinema Displays I have a 22″ that I paid 4k for still working. G4 with Kona SD card, and SCSI card.
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Cade Muhlig
January 12, 2011 at 4:53 pmThats just what I’m trying to avoid. The board is only so big, so I’d like to use the FireWire port which then frees up the main outs and alt outs for other things.
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Jerry Hofmann
January 12, 2011 at 4:58 pmGet a bigger board? or just reconnect things as needed. The sync issue is very likely going to go away if you do.
Jerry
Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: https://blogs.creativecow.net/Jerry-Hofmann
Current DVD:
https://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17″ MBP, Matrox MXO2 with MAX – Cinema Displays I have a 22″ that I paid 4k for still working. G4 with Kona SD card, and SCSI card.
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Michael Gissing
January 13, 2011 at 12:46 amBuy a small patch bay. Having two devices as input to FCP is going to cause issues. Which one is clock master? Can you sync the firewire device to master video like the Kona?
For solid sync as Jerry said, have the audio and video input via the Kona.
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