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Monitor HDV through DV deck?
We are shooting on JVC HD250U to DR-HD100 firestores. Up until now, just using them in straight DV mode. We are using Final Cut 6 and Sony M25U decks attached to computer.
Now we want to shoot hi-def. Got the firmware update for the firestore that allows it to record HDV quicktime, and I can even drop it in timeline and play it. But not to an external monitor. I only get stills when I stop playhead, but no moving video. This on two different edit bays. Any thoughts?
I just want to monitor downconverted HDV on NTSC monitor, letterboxed.
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8 Replies
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Sony HDV and JVC HDV are two different formats.
They are not cross compatible.Scott Sheriff
Director
https://www.sstdigitalmedia.comI have a system, it has stuff in it, and stuff hooked to it. I have a camera, it can record stuff. I read the manuals, and know how to use this stuff and lots of other stuff too.
You should be suitably impressed… -
I knew they were, I just didn’t think it would affect monitoring. I thought Final Cut Pro downconverted HDV to DV25 and sent it out firewire for monitoring.
I know there maybe another can of worms waiting when I try to print to video the JVC HDV footage in HDV to a Sony deck.
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“I know there maybe another can of worms waiting when I try to print to video the JVC HDV footage in HDV to a Sony deck.”
Never tried that, but I doubt it will work. Different GOP structure, different frame size, different pixel aspect, progressive vs interlaced.
Scott Sheriff
Director
https://www.sstdigitalmedia.comI have a system, it has stuff in it, and stuff hooked to it. I have a camera, it can record stuff. I read the manuals, and know how to use this stuff and lots of other stuff too.
You should be suitably impressed… -
You are asking FCP to do a playback downconvert from HD to SD on the fly. It doesn’t do that. The output monitoring must match the sequence settings or it will just give you a still frame when you stop.
What you need is an I/O card like Kona, Decklink, Matrox etc that can downconvert and feed your monitor. Bypass the DV deck for monitoring.
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Ok, but this is what Apple said about Final Cut Pro 6, it doesn’t indicate additional hardware needed. I know it aint’ gonna look pretty:
External Video Monitoring
You can now output to external video interfaces whose settings don’t match those of your sequence. Here are some examples of some of the possibilities:
A DV or HDV sequence output to an SDI signal on a third-party interface
An uncompressed NTSC or PAL sequence output to a DV FireWire output
An HDV sequence output to a DV FireWire output
Sequence and output formats must have compatible frame rates. For example,sequences with a frame rate of 60, 30, or 24 fps can be output to a 30 fps device, but not to a 25 or 50 fps device. Also, when an output device does not match your sequence settings, additional real-time processing is required. This means that
segments that already require a lot of real-time processing power may need to be rendered to play back. -
First case is straightforward as you are using thrid party I/Os to do the work or in case two, there is no adjustment of frame size, just codec.
The third case of HDV to DV sounds dubious as it is a downconvert within FCP. It might be in the manual but I don’t know that it can actually do that. Happy to be wrong about this. Does the manual give you the actual settings for this? If so and it isn’t working, then it may be an issue with JVCs version of HDV.
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I actually got this to work when I stuck it in a normal HDV timeline – try that. It was 1080i (1440×1080) and FCP automatically downconverted it for me to a sony DSR 40 deck.
Try different flavors of your sequence.
I think it’ll work at 1080 but not as sure at 720.
Last, make sure your codec is HDV.
Best,
Jeff G
Apple Master Trainer | Avid Cert. Instructor DS/MC
Come See me speak at NAB!
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You can’t monitor HDV trough the deck in realtime.
DV timeline. Firewire DV, no problem
HDV-> get a Decklink, Matrox or AJA solution.
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