American English

Definition of talkback noun from the Oxford Advanced American Dictionary

 

talkback

 noun
noun
NAmE//ˈtɔkbæk//
 
[uncountable] (technology)
 
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a system that allows people working in a recording or broadcasting studio to talk to each other without their voices being recorded or heard on the radio
See the Oxford Advanced Learner's Dictionary entry: talkback