Wheelock, Inc.

Brian E Bizjak

John William Curran

Joseph Kosich

Richard H Fetterly

Edward V Applegate

Anthony W Russo, Ii

Dominic D'Souza

The present invention is an apparatus and a concomitant method for boosting the audio signal generated by at least one notification appliance in a supervised emergency voice evacuation system.

Method and apparatus for boosting an audible signal in a notification system

The present invention generally discloses a supervised paging, messaging background music and emergency voice evacuation system. In one embodiment, the system comprises at least one telephone zone controller and at least one telephone zone paging speaker splitter or addressable paging splitter. Specifically, telephone zone controller acts as a controlling authority for the routing and playback of audio in selectable zones. In cooperation with the telephone zone controller, the telephone zone paging speaker splitter is an addressable device that is capable of splitting an audio signal in different manners, e.g., in Class A mode or in Class B mode. The present system provides addressable functions that are not found in existing supervised paging, messaging background music and emergency voice evacuation system.

Supervised paging, messaging background music and emergency voice evacuation system

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Bridgewater, NJ, United States of America

Brian E Bizjak