Lowest-cost Channel 15/16 talkback 'extraction' solution

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  • Posts: 8
  • Joined: Thu Jan 23, 2020 8:04 pm
  • Real Name: Tom Welham

Lowest-cost Channel 15/16 talkback 'extraction' solution

PostWed Sep 16, 2020 10:41 am

Hi all,

If my initial bit of research is correct, I think the cheapest solution for grabbing the embedded talkback in channel 15/16 coming from our ATEM would be to use the 'SDI to Analogue' converter, can anyone confirm?

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  • Joined: Sun Aug 25, 2019 2:37 pm
  • Location: The Midwest, USA
  • Real Name: Mitchell Neth

Re: Lowest-cost Channel 15/16 talkback 'extraction' solution

PostWed Sep 16, 2020 5:48 pm

This is sort of correct, the product you're needing is the Blackmagic Design Mini Converter SDI to Audio.
Common terms for what this converter does is a de-embed or de-mux.
Page 54 of the manual https://documents.blackmagicdesign.com/UserManuals/BlackmagicConvertersManual.pdf?_v=1533193940000
details using the dip-switch adjustments, in which you can set switches 5&6 to the ON position to assign SDI audio channels 13, 14, 15, and 16 to the TRS audio outputs. Blackmagic Talkback audio channels operate on channels 15+16 (LR) for the "Production" channel, and 13+14 for the "Engineering" channel. Hope this helps!
Mitchell Neth
LTN Global Production
Broadcast Engineer
Constellation 8K, URSA Broadcast SFC/CFC Camera Chains

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