Definition of audio text in English:
audio text
noun
1The part of a script, storyboard, etc., that is to be spoken (as opposed to camera or stage directions, or graphic elements).
2A spoken recording of a piece of writing; specifically a pre-recorded commentary for an audio guide or similar device.
3An automated electronic system that plays recorded information to a person calling a designated telephone number.
Origin
1950s; earliest use found in The New Yorker.
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