Table of Contents
Advertisement
A-B TEST....
Direct comparison
of sound
quality
between
hi-f
components
accomplished
by switching
from one
to
another.
ACOUSTIC
FEEDBACK
....
The
howling caused when a
micro-
phone picks up
vibrations
from its own skeaker
system.
AMPLIFY
....
To
increase
levels, as with a volume
control.
ATTENUATE
....
To
decrease
levels, as with a volume
control.
AUTOMATIC
SHUT-OFF ....
A
special
switch on a tape
re-
corder
r
ich
automatically
stops the machine
when
the
tape
reeks
or
runs
out.
.AZIMUTH
ADJUSTMENT.
... The adjustment
to position
the
head
gap
exactly
perpendicular
to the horizontal
base
of
the rope.
BAFFLE....
The
panel
0
which most speakers
are
mounted,
usually
the
fro
t
panel of an
enclosure.
BIAS ....
A high
frequency
alternating
current
fed into the
recording
circuit
and
used as a carrier of the audio
signals to
the record
head, as
well
as
current to the
erase
head.
BINAURAL SOUND
....
Two-channel
sound,
in which
each
channel
recorded
is
heard only through
one ear.
(Channel
-·l-Ieft
ear,
and Channel
2-right
ear.)
BINAURAL MONITOR JACK
....
Output jack of tape recorder
wired to accept
binaural
earphones.
BULK
ERASER....
A strong alternating
electro-magnetic
de-
vice used to erase
the magnetic
patterns
on tape
while still wound
on
a reel, or in bulk
form.
CAPSTAN ....
The rotating
shaft
which
engages
the tape
and pulls it across tne heads
at constant
speed.
CATHODE FOLLOWER ....
The type of electronic
circuit used
in an output stage of a recorder
to
permit
the use of
longer interconnecting
cables
without
the loss
of
high
frequency.
Usually
not
necessary
in
a
normal
installation
.
CHANNEL
....
Complete
sound
or signal
path
of
a sound
system.
CHASSiS ....
The metal
base
of frame
which
carries
the
elecrricol
or mechanical
assemblies.
CPS ....
Cycles
per second.
CROSS TALK
....
Signal
(sound)
leakage
between
two
channels.
DECIBEL (ABBREVIATED
db) ....
A relative
measure of sound
intensity.
One
db is the smallest
change
in sound
volume that the human ear can detect.
DISTORTION ....
Any difference
between
the original
sound
and the recorded
and reproduced
sound.
Hide quick links:
Advertisement
Table of Contents
