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Is HDMI timecode LTC?


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Again, mad physicist exploring TC world here. 😁


Is HDMI timecode LTC and is it using Consumer Electronics Control (CEC) pin bus? Or maybe Pin 17?


I understand timecode over HDMI is a hack introduced by Atomos almost ten years ago and then adopted by many manufacturers but can't find any technical details about it... any pointer? [EDIT: or is it SONY with the FS100? as discussed here on jwsd]


Thanks in advance...


Fun fact: looking around I learned Atomos under CEO J. Young was a shitty place to work at.


PS: I'm referring to pin 17 as "Utility/HEAC+" signal, defined in HDMI 1.4+ version. This signal moves from pin to pin depending on connector type 🤨

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  • lutzray changed the title to Is HDMI timecode LTC?

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