Method and apparatus for sound level determination

Details Method and apparatus for sound level determination Method and apparatus for sound level determination

1983-11-14

1986-03-11

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With plurality of transducers

73646, 367117, G01S 500

Patent

active

045758298

ABSTRACT:
A method of determining both the level of sound occurring at a point in an area of interest and the location of the point. The level of sound at a point in the area of interest is sensed, and a first signal is transmitted from the point. This first signal is received at a first location related to the area of interest, and the direction relative to the first location from which the first signal was transmitted is determined. A second signal is transmitted from the first location which is indicative of the direction relative to the first location from which the first signal was transmitted. Similarly, the first signal is received at a second location related to the area of interest. The direction relative to the second location from which the first signal was transmitted is determined, and a third signal is transmitted from the second location which is indicative of the direction relative to the second location from which the first signal was transmitted. The second and third signals are received at the point and recorded in a correlatable manner with the level of sound sensed at the point.

REFERENCES:
patent: 3357020 (1967-12-01), Slifer, Jr.
Schneider, Sound and Vibration, vol. 9, No. 5, pp. 8 & 10, May 1975.

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