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The SOS Guide to Live Sound by Paul White

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Glossary

 

 

 

OdB FS—Digital Full Scale, the level above which clipping will occur.

AC—Alternating Current. (See DC)

Acoustic Feedback—Continuous howling or whistling sound caused by the sound from a loudspeaker being picked up by a microphone and re-amplified with a loop gain of greater than unity.

Acoustics—A general term referring to the way sound behaves in a particular space such as a room or concert hall.

Active—A circuit that uses electrical power to amplify or otherwise process signals. Examples include power amplifiers, electronic crossovers designed to process line-level sources and effects units.

A/D or Analogue-to-digital Converter—Circuit for converting analogue waveforms into a sequence of equally-spaced samples, each of which ...

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