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Putting Timecode into the audio track?
Posted by Adam Donnelly on August 29, 2007 at 9:07 pmHelp!
So my boss just asked me to create an MP3 from an Avid project that has the “program audio split to the left channel and the digital audio timecode signal (the high pitched rattle) split to the right channel.”
Does anyone know how I can put the timecode into the audio track?
Any help on this would be a life safer! thank you!
Bouke Vahl replied 18 years, 8 months ago 3 Members · 3 Replies -
3 Replies
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Michael Phillips
August 30, 2007 at 1:40 amRecord some LTC for that matches the record side timecode that you need to match. You can use Read Audio Timecode to get the timecode value, load it up, and make the edit or capture the V track with a timecode burn-in. Edit the LTC track onto the proper audio track and your done.
Michael
anything 24fps
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Adam Donnelly
August 30, 2007 at 4:38 pmI kind of get what you are saying, but I get lost when it comes Read Audio Timecode stuff, or maybe I’m lost well before that.
I know that I need to get the timecode into one of the audio tracks, and I found the Read Audio Timecode tool. But where do I record timecode to that it becomes something I can visibly add to the timeline?
The Read Audio Timecode tool references the Auxiliary Timecode Tracks, and I have no idea where those are.
I apologize to anynone offering to help that I’m not nearly as knowledgeable as I should be for what I’m trying to do here. So, uh, speak real slow for me.
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Bouke Vahl
August 31, 2007 at 9:16 amAudio timecode AKA LTC AKA Aux TC are all the same.
It’s a noisy audio signal, containing 0 and 1’s.
Normally it travels on a seperate channel on tape, so you never hear it. Depending on your deck, there is a TC OUT as BNC or XLR connector. Listen to that, and you’ll hear it.
half way down this page
https://www.philrees.co.uk/articles/timecode.htm
is an example.It is called ‘ltc’ if it travels on the real TC track, but you can put this, or another LTC signal, on one of the audio tracks. Then it’s called ‘aux tc’ (handy in case of multicam with cameras that are not able to lock, or you want continious TC on the normal track for fast ingesting, but also be able to sync to another time)
For your purpose:
There is no real need to use the ‘read audio timecode’, when you ingest a piece with 422 control, the timecode you see in Avid ‘should’ match the LTC you digitize.First do a test with tape playback. Next, it is possible that the TC out of your deck starts working with the recorder set to ‘free run’ and the rec button pressed without a tape running.
Try to match the LTC with your timeline/subclips, it will be handy for future reference!
To toy, download the free demo of ‘transcriber’ from my site, it also reads the LTC, give you an idea what’s happening.
Last tip, do not put it too loud, there is absolutely no need for that. Keep it 9 dB under your normal peak level
(about -18 dB in digital files)hth
Bouke
http://www.videoToolShed.com
smart tools for video pro’s
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