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Accent - A distinguishing feature or characteristic in design, such as a feature that sets apart or complements a decorative style. Something that emphasizes or contrasts something else, like when a little col. Used . or makes the qualities of an image stand out. . Used . ...

Wavelength - The distance from one point, usually the crest, on a vibrating wave to the same point on the next wave. The shorter the wavelength the higher the frequency and the more directional the wave and vice . Used . versa. Commonly designated by the Greek letter lambda (?), wavelengths are usually measured in Angstroms.. Used . ...

Amphitheatre - The name amphitheatre (alternatively amphitheater) is given to a public building of the Classical period (being particularly associated with ancient Rome) which was used for spectator sports, games an. Used . d displays.

Apart from function, the important outward distinction between an amphitheatre and a theatre is that an amphitheatre is round or oval in shape (whereas a classical th. Used . eatre was semi-circular). However, an amphitheatre differs from a circus, which was used for racing and looked more like a very long, narrow horse shoe.

The best-known amphitheatre in the world is...

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. ...

Drivers and Horns - Drivers and Horns are speakers designed to produce high frequency audio usually around 3-5 kHz and up to 20 kHz. Horns are usually in the shape of a long corn and look somewhat like the horn of a mus. Used . ical instrument. . Used . ...