Background noisemasking system

Details Background noisemasking system Background noisemasking system

1976-04-12

1977-03-01

Claffy, Kathleen H.

H04R 300

Patent

active

040103242

ABSTRACT:
Noisemasking speakers are positioned in an array to direct noise into a space which is to be used by a number of people so that individual privacy is assured. The array is divided into four or more sets of speakers. The single noise source is equalized, and the same equalized noise is fed to the four speaker sets through time-delay devices so that the noise from each set has low correlation with each of the other sets.

REFERENCES:
patent: 3272198 (1966-09-01), Balkin
patent: 3567863 (1971-03-01), Morissey

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