Tracking platform system

Details Tracking platform system Tracking platform system

1995-05-12

1996-06-11

Isen, Forester W.

Electrical audio signal processing systems and devices

Directive circuits for microphones

367104, 367120, H04R 300

Patent

active

055264336

ABSTRACT:
A self-steering platform system incorporates at least three and preferably four microphones circumferentially spaced about the platform which is mounted for movement preferably around two mutually perpendicular axes. A sound source is selected and separate audio signals from the microphones are analyzed by a control which based on differences between the signals from the microphones emanating from the selected source determines the location of the selected source. The orientation of the platform is then adjusted by the control relative to the selected sound source. The present invention is particularly useful for mounting a shotgun or parabolic microphone to enhance sound from a selected source.

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patent: 4802227 (1989-01-01), Elko
patent: 5231483 (1993-07-01), Sieber et al.

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