Audio Glossary
Audio Glossaryambient sound (ambience) Natural background audio representative of a given recording environment. On-camera dialog might be primary sound; traffic noise and refrigerator hum would be ambient.
audio dub Editing technique whereby new audio replaces a portion(s) of an existing audio track.
audio mixer Device with user-adjustable controls to blend multiple sound inputs into desired composite output. [See mix]
bidirectional Microphone pickup pattern, rejects sound coming from the sides while absorbing that from in front and behind. [See also unidirectional, omnidirectional]
boom Extension arm used to suspend a microphone over sound or subject(s) being recorded. Objective is to keep production gear out of camera's view.
cardioid The most common type of unidirectional microphone; pickup pattern resembles a heart-shaped figure.
condenser Microphone with built-in amplifier, the type installed on camcorders. Also called capacitor or electret condenser, requires battery or external power source. [See also electret conden…
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