Sound field compensating apparatus

Details Sound field compensating apparatus Sound field compensating apparatus

1991-05-16

1993-04-06

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

84630, H03G 300

Patent

active

052010058

ABSTRACT:
A sound field compensating apparatus is provided in which delay data produced by one of the delay means in a FIR filter, which is realized by the action of a DSP, is commonly used for producing a plurality of reflected sound data of corresponding channels. Accordingly, the maximum delay time of the delay data is lengthened without increasing the number of delay data retrieving actions per sampling period on the delay memory. Hence, an acceptable number of the reflected sound signals can be obtained for each channel.

REFERENCES:
patent: 5050216 (1991-09-01), Hanzawa et al.
patent: 5065433 (1991-11-01), Ida et al.
International Conference on Acoustics, Speech and Signal Processing, Apr. 16, 1983, Y. C. Lim et al., "Efficient FIR Filter Implementation Using Microprocessor," Apr. 16, 1983; pp. 443-446.
Patent Abstracts of Japan, vol. 13, No. 386 (E-812) Aug. 25, 1989.

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