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Chapter 8: Appendix
Tempo Map
A TEMPO MAP includes bar and beat, tempo and
time signature information for part or all of a song.
This information can be used to make editing easier.
You can edit or locate to an exact bar and beat rather
than an absolute time reference. Tempo Maps can
also be used to synchronize external drum machines
or sequencers. The tempo map generates MIDI Clock
information and Song Position Pointer information
that will start and stop a sequencer at an exact
location and keep it playing in perfect sync.
In the VS-880, you can create a tempo map from
scratch before you start recording a song. There are
MIDI and Click metronome outputs to allow the
recording process to be in time with the tempo map.
You can also create a Tempo Map after you have
recorded part or all of a song. See SYNC TRACK for
another way to use MIDI sync information.
Time Compression
An operation that allows you to expand or compress
the playback time of recorded material to a specified
time length. Usually when playback time is
compressed or expanded, the playback pitch is
affected. On the VS-880, you can select whether the
playback pitch will change in correlation to the
compression / expression ratio, or whether the
original playback pitch will be preserved. The time
compression feature of the VS-880 can therefore be
used to change the tempo of a drum loop without
changing the pitch. It can also be used to correct the
pitch of a vocal note that is sung out of tune.
Track
The path on magnetic tape along which a single
channel of sound is recorded.
Tracking
Refers to the original recording of live music when
the first tracks (usually rhythm instruments) are
recorded.
Treble
The high audio frequency range, normally
considered to be above 5000 Hz.
Unbalanced
An audio circuit with 2 wires; one wire carries the
signal, high (+) and the second carries the low (-) and
also is connected to chassis or system ground. Since
the signal leads are not of equal potential difference
from the ground, they are considered to be
“unbalanced” with respect to ground.
Vari-pitch
Vari-pitch allows you to speed up or slow down the
playback of the VS-880 in order to match the tuning
of instruments that are difficult or impossible to tune
to your existing recorded tracks. A typical instrument
that Vari-pitch would be useful for would be an
acoustic piano.
Virtual Tracks (VS-880)
Virtual tracks are additional areas to record you takes
and ideas. Each track on the VS-880 has 8 virtual
tracks. You can play one of these at a time per track,
using the others to hold earlier performances or
different edits. You can edit several virtual tracks
together for a composite edit. You can even bounce
several virtual tracks to another virtual track to make
a mix of these tracks.
For example: If you need to bounce some
background vocals together to make room for some
guitar parts, you can use the virtual tracks to store
the original vocal parts that you have bounced.
Unlike a tape based system, you can then add new
material on the tracks you have bounced from and
still keep the originals in case you want to re-mix the
bounce later.
Voltage Control
A method of adjusting a special type of circuit which
responds to an external control voltage. Almost all
musical synthesizer operations are done using
voltage control, and many automated mixing
functions utilize voltage controlled circuitry.
Volume
A loosely used term which describes the level of an
audio signal or the intensity of a sound.
Waveform
The characteristic shape of a wave when graphed or
displayed by test equipment.
XLR
Describes any of several varieties of audio connectors
having 3 or more conductors plus an outer shell
which shields the connection and locks the mating
connectors. 3-pin XL-type connectors are commonly
used to make balanced mic and line level
connections in professional audio systems. The XL-
type connector is sometimes called a “cannon”
connector, so named for the original manufacturer
although a number of companies now manufacture
compatible 3-pin connectors.
(Portions of this glossary are from the CAMEO Dictionary of
Creative Audio Terms; copyrighted and used by permission of
The WorkCenter Corp., dba Gary Davis & Associates.)
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