The National Archives Catalog

Recording Speed

Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No No Variable Character Length (30) Recording Speed List Item Yes Yes


Definition: The speed at which audio recordings are recorded or reproduced. For audio tapes, the measurement is inches per second (ips). For audio discs or cylinders, the measurement is revolutions per minute (rpm).


Purpose: Provides information necessary for playback.


Relationship: This element is dependent on Media Type. Each media occurrence of the archival materials must have a media type specified to create Recording Speed.


Guidance: Choose the correct term from the Recording Speed Authority List.




Audio Disk: 120 rpm


Audio Tape: 15 ips


Film: Silent at Sound Speed


Videotape: SP

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