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XY - A stereo recording technique using two identical cardioid or directional microphones placed next to each other at an angle of 90 degrees. This method is employed to overcome the coverage problems of . Used . AB recording. The main disadvantage being that audio from the center of the stage arrives at a 45 degree angle to the mics where the response is not as efficient leaving an apparent gap in t. Used . he stereo field. ...

Speaker - A speaker is a device that converts an electrical signal into the equivalent air vibrations in order to make audible sound.. Used . . Used . ...

Analog signal - An analog or analogue signal is any variable signal continuous in both time and amplitude. It differs from a digital signal in that small fluctuations in the signal are meaningful. Analog is usually t. Used . hought of in an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also use analog signals.

The word "analog" implies an analogy between cause an. Used . d effect, voltage in and voltage out, current in and current out, sound in and frequency out.

An analog signal uses some property of the medium to convey the signal's information. For example, an ...

Subtractive Color - Subtractive color explains the theory of mixing paints, dyes, inks, and natural colorants to create colors which absorb some wavelengths of light and reflect others. The color that an object appears t. Used . o have is based on what parts of the electromagnetic spectrum are reflected by it, or conversely by what parts of the spectrum are not absorbed.

Anything that is not additive col. Used . or is subtractive color. No other color mixing systems are known, except the imperfect system resulting from mixing real pigments, something that is very confusing nowadays.

Color is not an absolu...

Mount Speakers - A speaker designed to be mounted on or in a wall or on a stand.. Used . . Used . ...