Audio tape saturation simulator
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United States of America Patent
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-
Jan 21, 1997
Grant Date -
N/A
app pub date -
Nov 7, 1994
filing date -
Nov 7, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An analog tape saturation simulator produces the same results as analog tape saturation in a controllable environment which can be user adjusted to the desirable level of saturation effect. A log-based audio detector receives the audio signal in front of a circuit limiting the maximum range over which a dynamic filter will operate to control the high frequency bandwidth via a voltage-controlled low pass filter which follows a soft-clipping distortion circuit also receiving the audio signal. The simulator provides dynamic changes to the signal based on the level of simulated saturation taking place. The simulator produces the nonlinear, soft clipping characteristics of overdriving analog tape and dynamically reduces the high frequency information in response to the input amplitude of the audio signal.
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