talkback

  1. (countable, uncountable) A system in broadcasting and recording studios that enables the director to communicate with others (host, presenter, anchor) during performance.
  2. (broadly, countable, uncountable) Communication from members of the public to the makers of a broadcast transmission while it is happening.

Etymology

Deverbal from talk back.

Sprechanlage

θυροτηλέφωνο

intercom

domofon

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