Glossary
ADAT LX20 Reference Manual 95
M
MIDI
Musical Instrument Digital Interface (MIDI). A protocol whereby various MIDI-
compatible products can communicate various musical and non-musical messages
(such as notes, controls, etc.).
MMC
MIDI Machine Control (MMC). A subset of MIDI messages which correspond to tape
machine’s transport controls and other functions.
Mute
Used as a verb, to “mute a channel” means to turn off the audio for that channel.
Used as a noun, “mutes” are the buttons which turn off a particular channel. Mutes
are usually non-destructive, though not always. Mutes are often automated as part
of mixer automation systems.
N
O
Output
A path through which audio passes from one device to another. Types of outputs
vary in connector type, level, use (sends, monitor, mix), and electrical
characteristics (impedance, balanced or unbalanced). They can be analog or digital.
Output Bus
The part of a mixer that carries a mixed signal from a variety of input sources.
Typically, the main output bus is stereo, and there will be auxiliary mono and
stereo busses.
Oversampling
The process of taking more samples than is required in order to more accurately
reconstruct a digitized signal back into analog audio.
P
Post-production
Begins after the film or video location shoot and is the process of combining, editing
and processing audio elements into a final product to be married with the picture.
Punching
The process of entering and/or exiting the record function while the tape is playing.
This allows recording over specific pieces of tape, such as recording over a section
with bad notes, as opposed to recording over the entire length of the track.
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