Digital

A method of representing and storing audio information with 0s and 1s

Dipole

A speaker design that uses two sets of?drivers?to generate equal amounts of sound both forward and backward, or side to side

Direct sound

Sound that travels directly from the source to the listener's ear without reflection

Dispersion

The extent to which a speaker yields acoustic radiation over an area

Distortion

Unwanted changes in the sound from the sound system

Dolby Digital

Digital soundtrack system for motion picture playback using Dolby patented AC-3 digtial compression

Dolby Pro Logic

A surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encounded with Dolby Surround

dome

Efficient, low distortion and wide dispersion tweeters, often made of metal or silk

Double banana plug

Two single-wire connectors used for joining wires to equipment

Driver

An individual speaker within a system.

driver

Alternate term for speaker. Converts electrical energy into sound waves

DTS

Trade name for a digital audio format whose standard format is 5.1-channel surround sound

DTS-ES

Variant of DTS, providing between 5.1 to 6.1 discrete channels

DVD-Audio

A digital format for delivering high-fidelity audio content on a DVD; commonly known as DVD-A

dynamic range

The ratio between the loudest signal and the quietest signal in a speaker system, expressed in decibels (db)