Audio tape saturation simulator

Details Audio tape saturation simulator Audio tape saturation simulator

1994-11-07

1997-01-21

Kuntz, Curtis

Electrical audio signal processing systems and devices

Sound effects

381106, 381 98, 333 14, H03G 300, H03G 500

Patent

active

055966462

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.

REFERENCES:
patent: 3772479 (1973-11-01), Hilbert
patent: 4399342 (1983-08-01), Ishida et al.
patent: 4783819 (1988-11-01), De Koning et al.
patent: 4809336 (1989-02-01), Pritchard
patent: 5032796 (1991-07-01), Tiers et al.

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