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

EQ.
Equalizing electronically to deal with room acoustic problems or produce special effects.
Tue, 14 Oct, 2014 at 8:49 AM
Equilization
Loosely, any type of relative frequency adjustment. Specifically, the process of changing the frequency balance of an electrical signal to alter the acousti...
Tue, 14 Oct, 2014 at 8:50 AM
Etched
Emphasis of very high frequencies sounding very live but harsh.
Tue, 14 Oct, 2014 at 8:50 AM
Euphonic
 An appealing form of distortion that generally enhances perceived fidelity, often ascribed to the harmonic elaborations of some valve amps.
Tue, 14 Oct, 2014 at 8:51 AM
Excursion
Forward and backward movement of the diaphragm.
Tue, 14 Oct, 2014 at 8:55 AM
Extension
 How extended a range of frequencies the device can reproduce accurately. Bass extension refers to how low a frequency tone will the system reproduce, high-...
Tue, 14 Oct, 2014 at 8:56 AM
F3
The roll-off frequency at which the driver's response is down -3dB from the level of it's midband response.
Tue, 14 Oct, 2014 at 8:56 AM
Farad
The basic unit of capacitance. A capacitor has a value of one farad when it can store one coulomb of charge with one volt across it.
Tue, 14 Oct, 2014 at 8:56 AM
Fast
 Good reproduction of rapid transients which increase the sense of realism and "snap".
Tue, 14 Oct, 2014 at 8:57 AM
Fat
 See Full and Warm. Or, spatially diffuse; a sound is panned to one channel, delayed, and then the delayed sound is panned to the other channel. Or, slightl...
Tue, 14 Oct, 2014 at 8:58 AM