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AB - A stereo recording technique. Two microphones of the same make and model are located next to one another in , and point in the same direction. The left mic is panned hard left on the mixer. The right. Used . mic is panned hard right.

This technique has flaws, such as audio reflections from each mic which can cause comb filtering (narrow coverage). This can be somewhat corrected by s. Used . pacing the mics out, but this will not fully correct the problem and can lead to muddy sound from delay artifacts.

Aberration - A flaw in a Lens that causes distorted images, especially towards the edge of the lens field. Compound lens construction and the use of small apertures can reducethese flaws. There are many types of a. Used . berrations, including chromatic, spherical, curvature of field, distortion, and elemental.. Used . ...

Absorption - A surfaces ability to absorb sound. Absorption is rated from 0 to 1.

Full absoption is 1. Full reflection is 0. . Used . . Used .

Multi Effects - Multi effects applies to any outboard audio effects hardware that is capable of processing the signal through more than one effect. In modern effects hardware multi effects are more common and usuall. Used . y include many different effects by which the audio can be processed.. Used . ...

Stage Lighting - Modern stage lighting is a flexible tool in the production of theatre, dance, opera and other performance arts. Several different types of lighting instruments are used in the pursuit of the various p. Used . rinciples or goals of lighting. . Used . ...