Recording device and video device using the same

Details Recording device and video device using the same Recording device and video device using the same

1992-11-24

1994-08-09

Isen, Forester W.

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

381 92, H04B 1500

Patent

active

053373677

ABSTRACT:
A recording device comprising, a wind pressure sensor either foraged integral with the microphone or disposed at the vicinity of the microphone and detecting the wind pressure acting thereon; a recording circuit; a filter circuit which cuts off low sound components corresponding to the wind sound; a selection circuit which sends out the sound signal collected by the microphone to the recording circuit via the filter circuit in response to a control signal and, when no control signal is received, sends out the sound signal to the recording circuit while bypassing the filter circuit; and a control circuit which generates the control signal when the signal from the wind pressure sensor exceeds a predetermined level.

REFERENCES:
patent: 5058171 (1991-10-01), Wurzer et al.

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