Microphone with frequency pre-emphasis

Details Microphone with frequency pre-emphasis Microphone with frequency pre-emphasis

H - Electricity

04

R

349/28

H04R 1/22 (2006.01) H04R 25/00 (2006.01)

Patent

CA 1296418

ABSTRACT OF THE DISCLOSURE A stepped frequency microphone particularly adapted to a hearing aid application provides a stepped frequency response characteristic relative to frequency, and has a low-pass sonic attenuator for providing to the undriven side of the microphone diaphragm a sonic counterpressure which at low frequencies substantially cancels ambient sound pressure delivered to the drive side of the diaphragm, the attenuator reducing this counterpressure at elevated frequencies to provide accentuated high frequency response.

580629

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