Dynamic sound controller and method therefor

Details Dynamic sound controller and method therefor Dynamic sound controller and method therefor

G - Physics

08

B

179/4

G08B 29/00 (2006.01)

Patent

CA 1084849

DYNAMIC SOUND CONTROLLER AND METHOD THEREFOR ABSTRACT A dynamic sound controller is designed to automatically adjust and shape the spectral distribution and amplitude of random masking noise before delivery via speakers to the environment of a room according to a preprogrammed timing sequence. In addition, the sound controller is capable of operating as a security and fire alarm system and is further capable of mixing a predetermined amount of background music and paging signals into the same set of speakers. The source controller of the present invention is further adaptable to a variety of environmental detectors which adjusts and shapes the noise in response to such factors as temperature, humidity, light level, ionization level and background noise level. A method for shaping spectral distribution and for adjusting amplitude of masking noise in relation to the measured ambient and intrusion noise levels is disclosed.

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