absorption Damping of a sound wave passing through a medium or striking a surface. The property of materials, objects, or media to absorb sound energy.
AC Abbreviation for alternating current.
acoustics The science of sound. The factors that determine the quality of received sound in a room or auditorium.
ad lib To cover an unexpected situation in a show or hide a lapse of memory.
alignment The process of setting controls and functions for optimum system performance.
ambiance The combination of reverberation and background noise that characterizes the sound of a given room.
ampere The common unit of current; the rate of flow of electricity.
amplifier An electronic device for magnifying electrical signals to a level to which speakers ...
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