Mobile sound field correcting device

Details Mobile sound field correcting device Mobile sound field correcting device

1985-05-31

1986-11-11

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Vehicle

381103, H04S 100

Patent

active

046226915

ABSTRACT:
A mobile sound field correcting system for correcting an acoustic characteristic in a vehicle sound field formed by direct waves radiated from loudspeakers and reflected waves thereof providing satisfactory acoustic characteristics for different vehicles and different listening points within a vehicle. A first correcting means corrects a power spectrum of each loudspeaker in a frequency range above a frequency at which a decrease of starts of the power spectrum in a high-frequency range of each loudspeaker. Second correcting means corrects for irregularities in the frequency characteristic of each loudspeaker caused by interference of the direct waves with the reflected waves in a frequency lower than the drop-off frequency of this power spectrum.

REFERENCES:
patent: 4320534 (1982-03-01), Sakai

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