Method to reduce perceived sound leakage between auditoriums in

Details Method to reduce perceived sound leakage between auditoriums in Method to reduce perceived sound leakage between auditoriums in

1997-01-22

1999-01-19

Chang, Vivian

Electrical audio signal processing systems and devices

Monitoring of sound

H04R 2900

Patent

active

058622306

ABSTRACT:
A method to improve the enjoyment of a motion picture presentation in a given auditorium located in a multiplex theater complex by controlling the times of sound leakage events from adjacent auditoriums such that the events occur when the sound level from the film in said auditorium is sufficient to completely, or partially, mask the sound leakage events. This is accomplished by providing a means so theater operators can readily schedule the locations of films in auditoriums and their start times based upon the sonic compatibility between the films to be presented on a given day using quantitative ratings incorporating the potential overall intrusiveness of a film as well as its vulnerability to incur perceptible noise due to sound leakage from adjacent auditoriums. An apparatus comprising sensors (1) in the film projectors (2) to sense film start times, data transmission lines to the processor (4), and a processor (4) with memory storing potential sonic compatibility data for selected films and projector start times, calculates and actuates displays (5) showing real time and predicted sonic compatibility information. Also an apparatus with switching means (6) to automatically start, or prohibit starting, a projector (2) when the sonic compatibility between films is favorable, or unfavorable, respectively.

REFERENCES:
patent: 5751819 (1998-05-01), Dorrough

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