Mechanical resonance reducing

Details Mechanical resonance reducing Mechanical resonance reducing

1997-04-24

2000-05-23

Lee, Ping

Electrical audio signal processing systems and devices

Noise or distortion suppression

381 56, 348738, H04B 1500

Patent

active

060673621

ABSTRACT:
An audio system for use with an electromechanical apparatus having a device coupled to the audio system, the device having a mechanical resonance stimulated by spectral components of vibrations radiated by the audio system, which includes an input for receiving audio signals and a gain reducer. The gain reducer includes a detector detecting in the audio signal the presence of the spectral components that excite the mechanical resonance and also includes a gain cell reducing the gain of said audio signals, either broadband or narrowband, responsive to the detector.

REFERENCES:
patent: 4831449 (1989-05-01), Kimura
patent: 5400408 (1995-03-01), Lundgren

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