Acoustic analysis

Details Acoustic analysis Acoustic analysis

1991-11-04

1992-11-03

Isen, Forester W.

Electrical audio signal processing systems and devices

Monitoring of sound

381 26, H04R 2900, H04R 5027

Patent

active

051611970

ABSTRACT:
A process for evaluating spatial impression of an enclosed space includes the steps of generating output signals as a function of fluctuating sound pressure at two points spaced about one-quarter meter apart, band limiting the output signals to a pass band of less than about one octave, generating fluctuating signals that represent amplitude information of the band limited output signals, band limiting the fluctuating amplitude information signals to a pass band of about five hertz to thirty hertz, and comparing the band limited fluctuating amplitude information signals to provide an indication of the spatial impression of the enclosed space.

REFERENCES:
patent: 3626365 (1971-12-01), Press
patent: 4135203 (1979-01-01), Friedman
patent: 5029216 (1991-02-01), Jhabvala et al.
Bradley, Contemporary Approaches to Evaluation Auditorium Acoustics, AES 8th International Conference, pp. 59-69.

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