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December 4th, 2005, 09:13 PM | #1 |
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Dual Recording
I am looking for a device to wirelessly transmit TC from my primary camera into my field recorder. A wired connection is not possible in this application. Does anybody know of a company that makes these? Where can I find them? Are they reliable?
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December 6th, 2005, 03:35 PM | #2 |
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Nobody knows anything about any of this? Does such a device exist or am I going to have to invent one, patent it and make my millions that way?
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December 6th, 2005, 03:45 PM | #3 |
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Other than logging assistants, I'm not aware of anything that can do something like this. Maybe one of the logging assistants could be modified. Given that tape is nearly dead...I doubt you'd make millions. :-)
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December 6th, 2005, 05:04 PM | #4 |
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I have seen such a system at a trade show but pretty expensive. Then again if you're using LTC it's only audio so any audio RF device would work OK.
Thing is there's also a few precision TC generators that go onto cameras thus avoiding cables and RF links, they're so good they drift less than a frame per month. |
December 6th, 2005, 06:17 PM | #5 |
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All I am looking for is something to plug into our camera guy's XL2 and send the timecode that it is generating, no matter the form, to my 744T.
Wouldn't it basically be a modified Lav system meant to send TC rather than audio? Here is my situation: Our show is a travel documentary set in several different countries. The sound guy cannot be hooked up to the camera guy as the various shooting situations simply would not allow for this. I can choose to neglect the time code option or simply jam sync the 744t, but I am trying to make post just that much easier and not have the editors having to worry about syncing up audio as well as all the other things they have to do. If anyone has an alternative method to my situation please let me know. Cheers, SS |
December 6th, 2005, 08:58 PM | #6 |
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I would use free-run time-of-day timecode on both devices, jammed as needed to maintain accuracy. Or use the highly accurate boxes that Bob mentioned such as the Ambient Lockit box on both devices so that drift is minimized.
With free-run code, it doesn't matter when each device is started or stopped and if your sound person needs to roll some wild segments you can't end up with duplicate but not-in-sync timecode numbers. There's resistance from the editing community regarding free-run code, but from what I've heard that comes mainly because the interns that are capturing footage into the Avid at night have to make several mouse clicks each time there's a jump in the TC. For most people capturing their own footage on other NLE's, free-run isn't a problem and just makes perfect sense to me. |
December 6th, 2005, 10:29 PM | #7 |
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That is true, I didn't think of TOD.
BTW I love the $1k+ price tag on the TC generator... would I need a controller for the Ambient Lockit, or does it generate on its own? |
December 6th, 2005, 10:53 PM | #8 |
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we use the TOD in our setup and use edius to do automatic syncs, i'm sure most nles have this feature, there times where for one reason or another we are off by a frame or two but in the end it save oodles of post time...
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December 7th, 2005, 02:05 AM | #9 |
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TOD seems to make the most sense thus far. I don't know why I didn't think of that earlier, I could have saved myself on major headache. Thanks guys for all the input. Now I am curious about these TC generators. Would I need one per TC accepting device? How exactly do they work?
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December 7th, 2005, 08:16 AM | #10 |
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The Lockit is a highly accurate TC, video sync and wordclock generator and one goes on each device. Jam them once or twice a day and they should hold sync with much less drift than the devices themselves.
If you're lucky and your devices hold together on their own, you could do without any external devices. You might have to jam them more often but it would still work well enough to keep close track of the relationship between video and audio material. You could test this ahead of time and see how close they do. For example I did a shoot the other day and two of my cameras drifted less than one frame over a 1 hour take. http://www.ambientaudio.com/products/timecode.html B&H is selling them for $1184 each, so I'd definitely be hoping that your devices don't drift much on their own. http://www.bhphotovideo.com/bnh/cont...ist&sku=327178 |
December 7th, 2005, 12:48 PM | #11 |
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I think I am going to do a few tests with TOD and see how that works out. Although I don't know if I want to spend the 1100 x 3 devices just to make the editors job slightly easier.
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December 7th, 2005, 01:37 PM | #12 | |
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Quote:
Just made an interesting discovery in the Sound Devices 744T recorder manual. According to their manual, its time code circuitry is by Ambient, the manufacturer of the Lockit boxes, and has the same accuracy as a Lockit when tuned to the Ambient Master Controller (just as you have to do with the Lockits). So if you choose that as your audio device, you'd only need a Lockit on the camera instead of 2 to be in business.
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January 7th, 2006, 03:29 AM | #13 |
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I've got a question about using the Lockit modules:
I knew them well using them on Digibeta and DVCPRO, but what about using them with usual DV camcorders, like the DVX100? I was told it might be possible to record the TC on one of the audio tracks. But how to tell the NLE (FCP) that one of this tracks is the TC and how to synchronise it with other video sources? dietmar |
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