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Glossary
Glossary
Frame
Similar to the individual frames in a roll of movie film, the
numerous still pictures that are displayed in rapid succession
to create a moving video image are also known as “frames.”
About thirty of these frames are shown each second. When
hard disk recorders, sequencers, and other such equipment
are synchronized with video, it is generally assumed that
there should be one frame every 1/30th of a second.
GUITAR (Hi-Z)
A high-impedance input jack for directly connecting electric
guitars.
GPI
GPI stands for
General Purpose Interface
. This is a control
jack provided on professional and consumer video devices
such as video editors and title superimpoters. By connecting
this control jack to the foot switch jack of the VS-2400CD and
setting the Foot Switch Assign to “GPI,” the connected
device will be able to play back/stop the VS-2400CD.
IDE
IDE stands for
Integrated Device and Electronics
. This is
the standard data transmission method used by the hard disk
drives of recent personal computers. Currently, IDE complies
with the formal standard known as ATA. The internal hard
disk drives are IDE compatible.
IEC
The signals that are transferred via the digital input/output
of this device comply with the IEC60958 and IEC958
(consumer) formats.
Limiter
An effect that works similarly to a compressor. When the
input signal rises beyond a specified level (threshold), a
limiter instantly lowers the gain to limit the output level. The
degree of compression is specified by the Ratio. In general,
ratios of 1:10 or less are referred to as compression, in
distinction to limiting.
MMC
MMC is an acronym for
MIDI Machine Control
. This is rule
that defines how MIDI system exclusive message can be used
to control multiple recording devices from a single device.
The VS-2400CD supports MMC. In addition to song play
back, stop and fast-forward, you can also select the tracks for
recording, etc.
MTC
MTC stands for
MIDI Time Code
. This is a group of
messages which are transmitted and received between MIDI
devices to synchronize their operation. Unlike MIDI Clock
messages, MTC specifies an absolute time. Like SMPTE time
code, MTC also supports a variety of frame rates. If you wish
to use MTC to synchronize the operation of two devices, both
devices must be set to the same frame rate.
NTSC Format
Color television format used in Japan, the United States, and
other countries. Tapes recorded in the NTSC format cannot
be played back on video decks utilizing the SECAM/PAL
formats.
Oscillator
A device that generates an alternating signal. On this system,
the term refers to the internal oscillator used to sound a
reference tone for measurement by the spectrum analyzer. It
is able to produce a 20 Hz–20 kHz sine wave, pink noise and
white noise.
➔
Analyzer
➔
Sine wave
➔
Pink noise
➔
White noise
Phantom Power
This is a method of providing electric power to condenser
mics via the mic cables. Generally, a mixer’s internal
phantom power source supplies 6–48 volts (DC). Supplying
phantom power to dynamic mics, audio play back devices, or
other such equipment may result in damage to the
equipment. Turn the phantom power switch on only when
connecting condenser mics which need phantom power;
otherwise, leave it switched off.
Pink noise
Noise that contains equal amounts of energy in each octave
of the frequency spectrum. On this system, the internal
oscillator can be used to generate pink noise in the audio
bandwidth.
➔
Oscillator
➔
Analyzer
PS/2 Keyboard, PS/2 Mouse
This keyboard and mouse can be connected to the connectors
furnished on PS/2 computers developed by IBM in the
United States. The VS-2400CD allows you to use a PS/2
keyboard, input names, and perform operations using the
PS/2 mouse.
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