Timecode - Hyperdeck Studio Mini and RS422

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Mark Simms

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Timecode - Hyperdeck Studio Mini and RS422

PostWed Feb 14, 2018 9:28 am

Hi,

Can the Hyperdeck Studio Mini recorder take in TC via the RS422 port?

I would like to use something like this (item below) to take free run/time of day LTC, convert it to RS422 and then have it on the recorded video file.

http://www.adrielec.com/aec-ubox.htm
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Dave Del Vecchio

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Re: Timecode - Hyperdeck Studio Mini and RS422

PostThu Feb 15, 2018 10:35 pm

Typically with the RS-422 deck control protocol, the controller reads the timecode from the deck (over RS-422). I'm not sure that it is possible to send continuously generated timecode to the deck using the RS-422 protocol (at least judging from the documentation of the RS-422 supported commands in the HyperDeck manual, there doesn't seem to be a mechanism for this).

The AEC-uBOX device you mentioned is designed for connecting over RS-422 to a video capture card. In that case the video capture card is the controller side (rather than the deck side) of the RS-422 control protocol, so it makes sense for the capture card to be reading timecode over RS-422 (the uBOX device is acting like a virtual deck in this case).

Also note that in the configuration screen on the HyperDeck the only configuration options for the timecode source are input (embedded with the SDI signal) or generated (preset or last clip).

Probably the easiest option in this case is to use an SDI timecode embedder to add the timecode to the SDI signal before it goes into the HyperDeck. For example, the Teranex Mini Audio to SDI is capable of taking LTC timecode and embedding it in the SDI signal.
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videokadr

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Re: Timecode - Hyperdeck Studio Mini and RS422

PostFri Feb 16, 2018 2:35 pm

New ursa broadcast can add TC by the REF input. Lets try add TC by REF input in Hyperdeck Studio Mini.
TC is audio analog signal.
8 cameras OBVAN HD, low prices, working EU area, www.videokadr.pl, videokadr@wp.pl
Jacek Niewadzi
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Gary Adams

Blackmagic Design

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Re: Timecode - Hyperdeck Studio Mini and RS422

PostFri Feb 16, 2018 9:11 pm

It is not possible to "feed" timecode within the RS-422 protocol. The SDI video must already have timecode embedded prior to feeding the Hyperdeck Studio Mini. Some people still put analog LTC timecode audio on track 2 which some software like Resolve can decode, but the best way is to have the TC embedded prior to the SDI input.

Regards, Gary
Gary Adams
Blackmagic Design
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Mark Simms

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Re: Timecode - Hyperdeck Studio Mini and RS422

PostMon Feb 19, 2018 7:54 am

Thanks for your replies everyone.
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Dave Johnstone

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Re: Timecode - Hyperdeck Studio Mini and RS422

PostMon Feb 19, 2018 9:46 am

Hi Gary,

The Sony P2 (RS422) protocol includes a command to preset the VTR's timecode generator
44 04 Time Code Preset
Sets the Time Code Generator value to the time code indicated by DATA-1 thru DATA-4. The data format is as per the 24.31 Cue Up With Data command

Is this not supported by the Hyperdecks?

Regards,

Dave.
Freelance Television Broadcast Engineer
and Software Programmer.

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