Acoustica Mixcraft 7 User Manual

Page 379

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373

PCM

Pulse-code modulation (PCM) is a
digital representation of an analog signal
where the magnitude of the signal is
sampled regularly at uniform intervals,
then quantized to a series of symbols in
a digital (usually binary) code. PCM has
been used in digital telephone systems
and is also the standard form for digital
audio in computers and the compact
disc red book format.

Primo

Primo is a CD burning engine created by
Primo Software. It is the default burning
engine.

Sample Bit Depth

In digital audio, bit depth describes
the amount of data contained in each
sample, using the unit bits (not to
be confused with bytes). Common
examples of bit depth include CD audio,
which is recorded at 16 bits, and DVD-
Audio which can support up to 24-bit
audio.

Sample Channels

Sample channels describes the number
of channels contained in each audio
sample. For example, CD audio has two
channels in each sample.

Sample Rate

The sampling rate, sample rate, or
sampling frequency defines the number
of samples per second (or per other
unit) taken from a continuous signal to
make a discrete signal. For time-domain
signals, it can be measured in hertz (Hz).

Semitone

A semitone, or half-step is a musical
interval. It is the smallest interval
commonly used in Western music, and
is considered the most dissonant.

Standard MIDI File

This is a standard file format that stores
multiple tracks of MIDI data. Most MIDI
software will read standard MIDI files
(.MID)

Tag

A tag is extra ancillary information
stored inside of an audio file, which
includes things like artist, album, genre
and copyright.

TAO

Track-At-Once or TAO is a recording
mode where the recording laser stops
after each track is finished and two run-
out blocks are written. One link block
and four run-in blocks are written when
the next track is recorded. TAO discs
can have both data and audio at the
same time.

Tempo

In musical terminology, tempo (Italian
for "time", from Latin Tempus) is the
speed or pace of a given piece.

Time Signature

The time signature (also known as
"meter signature") is a notational
convention used in Western musical
notation to specify how many beats
are in each bar and what note value
constitutes one beat.

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