Sound location arrangement

Details Sound location arrangement Sound location arrangement

1986-09-26

1988-04-26

Isen, Forester W.

Electrical audio signal processing systems and devices

Directive circuits for microphones

367121, H04R 300

Patent

active

047410388

ABSTRACT:
A signal processing arrangement is connected to a microphone array to form at least one directable beam sound receiver. The directable beam sound receivers are adapted to receive sounds from predetermined locations in a prescribed environment such as auditorium. Signals representative of prescribed sound features received from the plurality of predetermined locations are generated and one or more of the locations is selected responsive to the sound feature signals. A plurality of directable beam sound receivers may be used to concurrently analyze sound features from the predetermined locations. Alternatively, one directable beam sound receiver may be used to scan the predetermined locations so that the sound feature signals therefrom are compared to sound features from a currently selected location.

REFERENCES:
patent: 4066842 (1978-01-01), Allen
patent: 4131760 (1978-12-01), Christensen et al.
patent: 4333170 (1982-06-01), Mathews et al.
patent: 4480322 (1984-10-01), Orieux et al.
patent: 4485484 (1984-11-01), Flanagan

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