Walk the Walk: Audio and Video Terms

From AAD to Voice Coils (we don't have any "Z" terms yet), this glossary will break-down the alphabet soup and "audiophile-speak." Credit for some terms: TheWhippinpost, Aaron Miller, Audio Concepts

Aux (auxiliary)
An input on a receiver, integrated amplifier or preamplifier that can be used to connect line-level source components. Also, any general-purpose A/V input.
Sun, 12 Oct, 2014 at 11:22 AM
AAD
An acronym found on CD cases to indicate that the music was recorded and mastered on in analog (AA) and then stored digitally (D). (See also ADD) (See also ...
Sun, 12 Oct, 2014 at 11:43 AM
AC
Alternating Current. In North America, 120V. An electrical current that periodically changes in magnitude and direction.
Sun, 12 Oct, 2014 at 12:23 PM
Acoustic Suspension
A sealed or closed box speaker enclosure.
Sun, 12 Oct, 2014 at 12:24 PM
Acoustics
The area of study which deals with the behavior of sound. Also the effect a given environment has on sound.
Sun, 12 Oct, 2014 at 12:25 PM
Active
Powered. An active cross-over is electrically powered and divides the line-level signal prior to amplification. An active speaker includes an active crossov...
Sun, 12 Oct, 2014 at 12:38 PM
AES/EBU
AES/EBU (Audio Engineering Society/European Broadcasting Union) is the name of a digital audio transfer standard. The AES and EBU developed the specificatio...
Sun, 12 Oct, 2014 at 12:41 PM
ADD
An acronym found on CD cases to indicate that the music was recorded in analog (A) and mastered or remastered digitally (D) and then stored digitally (D). (...
Sun, 12 Oct, 2014 at 12:43 PM
Alignment
A class of enclosure parameters that provides optimum performance for a woofer with a given value of Q.
Sun, 12 Oct, 2014 at 12:45 PM
Alpha
In sealed enclosure designs, the ratio of Vas to Vb, where Vb is the volume of the box you will build. See also: Sealed Enclosure.
Sun, 12 Oct, 2014 at 12:47 PM