03-28-2012 09:35 PM

Four channel surround sound process (Left, Center, Right, and Surround). These four images are mixed into the Left Total and Right Total signals... [Read more]

03-28-2012 09:35 PM

A convex speaker shape usually used for tweeters.

03-28-2012 09:35 PM

 A high frequency speaker with a dome-shaped diaphragm.

03-28-2012 09:35 PM

The proper name for the electric bi-directional actuator used to provide powered control vehicle door locks. Also called a Door Lock Actuator.

03-28-2012 09:35 PM

A display type that employs regularly spaced patterned grids of point-source lighting elements. As a result, characters displayed have greater... [Read more]

03-28-2012 09:35 PM

A voice coil with two windings, generally used in woofers. Each voice coil can be connected to a stereo channel, or both voice coils can be wired in... [Read more]

03-28-2012 09:35 PM

Twice the height of the standard DIN dimensions; width is standard DIN width.

03-28-2012 09:35 PM

Acronym for Double Pole Double Throw. A term used to describe a relay that has two separate poles or contacts and can throw or make electrical... [Read more]

03-28-2012 09:35 PM

Synonymous with loudspeaker. The term also refers to a loudspeaker being coupled to a horn for acoustic coupling and controlled dispersion of sound.

03-28-2012 09:35 PM

Acronym for Digital Signal Processing (or Processor). A type of processing accomplished by a microcomputer chip specifically designed for signal... [Read more]

03-28-2012 09:35 PM

Positioned as a competitor to Dolby Digital, DTS audio is delivered in a theatrical environment as 5.1 channel Compact Disc that is synchronized to... [Read more]

03-28-2012 09:35 PM

An amplifier configuration in which both a stereo speaker pair and mono speaker system (usually a subwoofer) are simultaneously powered by a stereo... [Read more]

03-28-2012 09:35 PM

Part of the speaker that keeps foreign material from falling into the voice coil, which could hinder the speaker's movement.

03-28-2012 09:35 PM

Acronym for Digital Video Disc or Digital Versatile Disc. A format of optical disc storage medium, with a greater audio-visual data storage capacity... [Read more]

03-28-2012 09:35 PM

These versatile CD receivers can also play DVD movies, and may play DVD audio discs. Some models send the video signal to an outboard backseat... [Read more]

03-28-2012 09:35 PM

The ability of an audio device to respond to musical peaks. For example, an amplifier may only be capable of a sustained 100 watts, but may be able... [Read more]

03-28-2012 09:35 PM

A signal-processing circuit that reduces the level of high frequencies (hiss). Unlike Dolby Noise Reduction, DNR does not require processing during... [Read more]

03-28-2012 09:35 PM

The difference between the softest and loudest portions of sound that an amplifier or recorder can reproduce within an acceptable range of... [Read more]

03-28-2012 09:35 PM

A signal compression technique that raises the level of lower passages without affecting overall volume. Especially useful with high noise levels,... [Read more]

03-28-2012 09:35 PM

Joe D'Appolito is credited with popularizing the MTM (Midrange-Tweeter-Midrange) type of speaker.

03-28-2012 09:35 PM

Acronym for Efficiency Bandwidth Product. A guide to determine whether a loudspeaker is more suitable for a sealed or ported enclosure. An EBP of... [Read more]

03-28-2012 09:35 PM

A signal path that allows an audio processor to be switched in and out of the signal path, such as an equalizer (reverb, time delayed, echo, etc.).

03-28-2012 09:35 PM

The ratio of energy output to total energy input, expressed as a percentage. With speakers, this refers to the ratio of total acoustic watts radiated... [Read more]

03-28-2012 09:35 PM

The loud speaker parameter that shows the level of sound output when measured at a prescribed distance with a standard level of power fed into the... [Read more]

03-28-2012 09:35 PM

Electro-luminescent illumination for the lighted portion of a liquid crystal display. Considered to be a step-up featured display.