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AA//DD
- sh
ort for Analog to Digital Conversion. The conversion of
analog data or information into digital or binary form (See
binary).
AASSIIOO
– A
udio Stream Input Output. ASIO, developed by
Steinberg, is a cross-platform, multi-channel audio transfer
protocol. It allows software to have access to the multi-channel
capabilities of a wide range of powerful sound cards.
BBiinnaarryy
- A di
gital numbering system based on two where data
is expressed as combinations of "0"s and "1"s). Bit - A single
unit of digital information expressed as a "0" or "1.”
CCoorree AAuuddiioo
- T
his is an ultra-low latency, high quality
MAC-compatible audio driver that is built directly in to the OS
X operating system.
DDeecciibbeell ((DDBB))
-
A unit of measurement for expressing sound
pressure level (SPL), signal level and variation or differences in
signal level.
DDiiggiittaall TToo AAnnaalloogg CCoonnvveerrtteerr
- A circuit used
to change binary
data that make up the digital audio signal into discrete voltage
levels that approximate the original analog audio waveform.
Abbreviated as D/A converter.
DDSSPP
- A
n abbreviation for Digital Signal Processing (Any signal
processing done after an analog audio signal has been
converted into digital audio.
DDyynnaammiicc PPrroocceessssiinngg ((DDyynnaammiicc SSiiggnnaall PPrroocceessssiinngg))
- An signal
p
rocessing system which automatically changes the gain to
maintain a preset level ratio or relationship between the loudest
and quietest passages of music.
DDyynnaammiicc RRaannggee
- The lev
el difference, expressed in dB, between
the loudest level and quietest level of a recording or live audio
source.
FFiilltteerr
- A circuit
that removes or acts on certain frequency signals
above or below a predetermined point called a cut-off
frequency.
FFrreeqquueennccyy
-
The rate or speed at which an audio source
generates complete cycles in one second. The number of cycles
that occur in one second is call hertz (Hz).
FFrreeqquueennccyy RRaannggee
- The ran
ge of frequencies over which an
electronic device delivers its best performance or over which a
sound source will produce substantial energy.
FFrreeqquueennccyy RReessppoonnssee
- A
plot or graph of frequencies that an
audio device, such as a mic, amplifier or speaker, can accurately
reproduce within stated parameters or conditions.
HHaarrmmoonniiccss
- A tone along with wh
ole-number multiples of the
fundamental tone that distinguish the pitch of a particular
instrument or sound.
HHaarrmmoonniicc DDiissttoorrttiioonn
-
The occurrence of harmonics in the output
signal of a playback device or amplifier which were not present
in the original input signal.
HHeerrttzz ((HHzz..))
- A
unit of frequency measurement used to express
the number of complete cycles occurring in a one-second
interval. Abbreviated as Hz.
II//OO
- S
hort for "Input/Output." A port or in-line control for
channeling the flow of signal data to and from a device.
kkHHzz
-
The Abbreviation for kilohertz (1,000 Hz).
LLEEDD
- See light emitting diode.
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