Wiktionary
play back
vb. (context idiomatic transitive English) To replay a recording.
WordNet
play back
v. reproduce (a recording) on a recorder; "The lawyers played back the conversation to show that their client was innocent" [syn: replay]
Usage examples of "play back".
Finally we decided to play back the tape, ending for good and all that type of discussion.
He had now built up a substantial store of 'orders' which he could then play back to his subjects.
The only way of proving that, of course, would be to play back Georges's recording.
I guess so you couldn't play back tape aloud and thus into the intercom mike.
I set the speed half again higher so you can play back for more detail.