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Author
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Topic: HDSDI Inputs
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 01-05-2017 08:35 AM
SMPTE LTC, for various purposes. Some servers have it per default, some as an option. As Steve says, it is not used very often. Aside from these server supplied LTC sources, there is also a new standard for Sync-Tracks on the DCP audio channels, Harold knows about it.
ATMOS and d-box so far use proprietary sync formats on some DCP channels. Some of them suffer from the watermarking that usually had to be active on all audio channels. That is solved now by the use of special KDMs that allow to disable watermarking for specific channels, leaving their digital TC data untouched.
The trouble with the IMB and IMS systems is, for good reasons, they leave out the expensive option for an HD-SDI input with Enigma based decryption. But having HDMI is not enough (although HD-SDI->HDMI converters can deal with some applications). Some IMB systems also use(d) combined HD-SDI output/input for stacking applications.
- Carsten
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