Audio tape
An audio tape was a type of tape used for audio storage and playback.

In 2267,  First Officer Spock played falsified audio tapes of Captain Kirk from the Starbase 11 Communications Center assigning command of the vessel to Spock. ()

In 2270, Uhura and Sulu thought they heard the sound of someone chuckling in the recreation room. McCoy shrugged it off as one of the audio tapes rewinding. Unbeknownst to them, it was actually the Enterprises computer laughing. ()
Computer technology