MARC21-007: Medium for sound of projected media
magnetic audio tape in cartridge
Sound to accompany an item is carried on a magnetic audio tape cartridge.
c
magnetic audio tape in cassette
Sound to accompany an item is carried on a cassette of magnetic audio tape.
f
magnetic audio tape on reel
Sound to accompany an item is carried on a reel of magnetic audio tape.
e
magnetic sound track on motion picture film
Sound to accompany a projected graphic is carried on a magnetic track that is part of the film.
b
70 mm. motion picture films often include magnetic sound tracks.
no sound (silent)
Sound is not present.
#
optical and magnetic sound track on motion picture film
Sound to accompany a projected graphic is carried on both an optical and magnetic track.
g
optical sound track on motion picture film
Sound to accompany a projected graphic is carried on an optical track that is part of a film.
a
For 16 and 35 mm. films, it is usually assumed that sound is carried on an optical track.
other
Medium for sound other than no sound (silent), optical sound track on motion picture film, magnetic sound track on motion picture film, magnetic audio tape in cartridge, sound disc, magnetic audio tape on reel, magnetic audio tape in cassette, optical and magnetic sound track on
videotape, videodisc.
z
sound disc
Sound to accompany an item is carried on a sound disc.
d
This method of providing for sound is typically used with filmstrips. Sound discs include 7, 10, and 12 in. vinyl phonograph records and 4 3/4 in. compact discs.
unknown
Medium for sound is not known.
u
videodisc
Sound to accompany an item is included as part of a videodisc.
i
Videodiscs are not ordinarily used to record only sound. A distinction must be made between videodiscs (e.g., 12 in. laser-scan videodiscs that include video information) and compact discs that are used to record sound only (e.g., 4 3/4 in. audio compact discs). The technology to physically record video or audio information on digital disc systems is the same.
videotape
Sound to accompany an item is included as part of a videotape.
h
Videotape is not ordinarily used to record only sound.
Published