03-28-2012 09:35 PM

A test of performance between two components. For example, a test of ambient noise between two different amplifiers can be compared. For the test to... [Read more]

03-28-2012 09:35 PM

Electronic circuit that converts an analog audio signal that varies in amplitude into a digital signal, read as a numeric code created by series of... [Read more]

03-28-2012 09:35 PM

A device that randomly selects between two components for subjective testing. The listener doesn't know which devise is being listened to. A high... [Read more]

03-28-2012 09:35 PM

See Alternating Current.

03-28-2012 09:35 PM

Acronym for Audio Codec-3. Perceptual coding data reduction system developed by Dolby Laboratories to deliver six discrete audio channels (Left,... [Read more]

03-28-2012 09:35 PM

Refers to the position of the key in the ignition switch; a wire showing 12 Volts (+) when in this position.

03-28-2012 09:35 PM

The sound deadening properties of any substance, measured in Sabine units. One Sabine is equal to the absorption of one square foot of surface, which... [Read more]

03-28-2012 09:35 PM

A squealing sound when the output of an audio circuit is fed back in phase into the circuit's input.

03-28-2012 09:35 PM

A sealed or closed box speaker enclosure.

03-28-2012 09:35 PM

Energy consisting of fluctuation waves of pressure called sound waves.

03-28-2012 09:35 PM

The study of sound. It's the science of the production, effects, and transmission of sound waves through various mediums and the effects of... [Read more]

03-28-2012 09:35 PM

A method for arming a security system that requires some action, such as pressing a button on a remote transmitter or entering a code on a keypad.

03-28-2012 09:35 PM

An electronic circuit that divides a line level audio signal into two or more frequency bandwidths and routes each to their appropriate amplifier.

03-28-2012 09:35 PM

A step-up display feature that generates animated patterns for both segment and dot matrix LCDs that precedes the sequential display of information,... [Read more]

03-28-2012 09:35 PM

A subwoofer system that includes a built in amplifier(s).

03-28-2012 09:35 PM

Balanced digital connection. For example, it's used to connect a CD transport to a DAC. The AES/EBU standard uses XLR type connectors.

03-28-2012 09:35 PM

The space between the top plate and the pole piece. This is where the voice coil sits.

03-28-2012 09:35 PM

The result of the sampling frequency not being at least double the highest analog frequency during the digital encoding of an analog signal.

03-28-2012 09:35 PM

A class of enclosure parameters that provides optimum performance for a woofer with a given value of Q.

03-28-2012 09:35 PM

Term used in sealed enclosure designs to mean the ratio of Vas to Vb, where Vb is the volume of the box you will build.

03-28-2012 09:35 PM

A measurement of a tuner's ability to select one radio station's signal and reject the signal of another radio station two channels (0.4 Mhz) away.... [Read more]

03-28-2012 09:35 PM

An electrical current that reverses direction, alternating between positive and negative at a constant frequency. The rate of change is measured in... [Read more]

03-28-2012 09:35 PM

A device that is turned by a motor to produce AC voltage, which is then rectified (turned into DC) and used to supply voltage to the vehicle's... [Read more]

03-28-2012 09:35 PM

A siren-like whining that is heard when the RPMs of an engine increase. The noise is usually the result of a voltage differential created by more... [Read more]

03-28-2012 09:35 PM

The acoustic characteristics of a space with regard to reverberation or sound reflection. A room with a lot of reverb is said to be "live,� one... [Read more]