MARC21-007: Playback speed of sound recording
1 7/8 ips
1 7/8 ips.
l
For example, on standard cassettes.
1.4 m. per second
1.4 m. per second. Speed is calculated from the distance the playback mechanism covers on the surface of the disc per second, and not the number of revolutions of the disc.
f
Associated with compact discs (CDs).
120 rpm
120 rpm.
h
Used for cylinders.
15 ips
15 ips.
p
For example, on reel-to-reel, studio tapes.
15/16 ips
15/16 ips.
k
For example, on half-speed mini-cassettes used in small portable recorders.
16 rpm
16 rpm.
a
Used for discs.
160 rpm
160 rpm.
i
Used for cylinders.
3 3/4 ips
3 3/4 ips.
m
For example, on consumer and nonprofessional reel-to-reel tapes, cartridges and very unusual cassette tapes.
30 ips
30 ips.
r
For example, on reel-to-reel, studio tapes, but is rarely used.
33 1/3 rpm
33 1/3 rpm.
b
Used for discs.
45 rpm
45 rpm.
c
Used for discs.
7 1/2 ips
7 1/2 ips.
o
For example, in reel-to-reel, nonprofessional, and studio tapes.
78 rpm
78 rpm.
d
Used for discs.
8 rpm
8 rpm.
e
Used for discs.
other
Speed other than 16 rpm, 33 1/3 rpm, 45 rpm, 78 rpm, 8 rpm, 1.4 m. per second, 120 rpm, 160 rpm, 15/16 ips, 1 7/8 ips, 3 3/4 ips, 7 1/2 ips, 15 ips, 30 ips.
z
unknown
Unknown.
u
Published