Dictionary of Audio Terms (a glossary of audio terminology)
Compressor
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An amplifier whose gain decreases as its input level is increased. A compressor avoids overloading the tape on loud signals. A threshold control sets the starting level below which the signal is unaffected. A slope control selects the degree of compression. Thus a 2:1 ratio reduces signals above the threshold by a half; a 4:1 by a quarter. |
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Compressor -- An amplifier whose gain decreases as its input level is increased. A compressor avoids overloading the tape on loud signals. A threshold control sets the starting level below which the signal is unaffected. A slope control selects the degree of compression. Thus a 2:1 ratio reduces signals above the threshold by a half; a 4:1 by a quarter.
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