MP3
A le format with a sound data compression
system.
MP3 is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio
La
yer 3. With the MP3 format, one CD-R or
CD-RW can contain about 10 times more data
than a regular CD.
MPEG
Motion
Picture Experts Group. A collection of
compression systems for digital audio and video.
Mute
A
control found on receivers, and some mixers
or signal processing units that silences (mutes) a
signal
path, or output.
O
Ohm
Measure of resistance to current (impedance).
The
lower the impedance of a speaker, the
harder it is to drive.
P
PBC
Playback Control. A system where you navigate
through a Video CD/Super VCD with on-screen
menus that are recorded onto the disc. You can
enjoy interactive playback and search.
PCM (Pulse Code Modulation)
Pioneer
ing form of digital recording.
Proxy server
A
computer network service that allows clients
to make indirect network connections to other
network services.
R
RDS (Radio Data System)
RDS tuners can automatically tune in stations
according to the types of music (or talk) they
broadcast.
RDS also enables a receiver to
display text messages and even graphics (usually
call letters and format information) that many
LivingSound
LivingSound™ is a sound processing algorithm
provided by Philips that offers spatial
enhancements and the listener perceives the
sound as though the loudspeakers were located
a greater than actual distance apart from one
another.
Lossless compression
A
system for reducing the number of data bits
(density) in a musical signal without corrupting
the
original.
M
M4A
The audio le format used by Apple in their
iT
unes Music Store often appears on your
system with the ‘.m4a’ lename extension. M4A
can
produce better audio quality than MP3
using less physical space for the les.
MHz (Mega Hertz)
One
million cycles per second.
Midrange
The middle three octaves (more or less) of the
audio
band, where the ear is most sensitive,
usually between 160Hz-3kHz.
MMC
MultimediaCard. A
type of memory card with a
ash memory.
Mono (monaural)
The operation of an amplier in one channel
f
or both input and output. Can refer to an
amplier with only one channel of amplication
or
operating in bridged mode. For low-
frequency amplication applications, it provides
better
phase coherence and less distortion than
stereo operation.
MP3
A le format with a sound data compression
system.
MP3 is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio
La
yer 3. With the MP3 format, one CD-R or
CD-RW can contain about 10 times more data
than a regular CD.
Glossary
English
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