Technique for enhancing stereo sound

Details Technique for enhancing stereo sound Technique for enhancing stereo sound

1997-12-08

1999-12-21

Harvey, Minsun

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 1, H04R 500

Patent

active

060059478

ABSTRACT:
An acoustic signal processing subsystem for an electronic stereophonic audio system is disclosed. The acoustic signal processing subsystem will modify electronic audio signals such that sound broadcast from loudspeakers will be perceived as mimicking the quality of sound broadcast in an acoustically ideal room. The acoustic signal processing subsystem has a left signal processor coupled to a left acoustic signal source to modify the left acoustic signal and to couple a first modified left acoustic signal to a left speaker, and a right signal processor coupled to a right acoustic signal source to modify the right acoustic signal and to couple a first modified right acoustic signal to a right speaker. Further the acoustic signal processor has a left-right signal processor coupled to the left acoustic signal source to modify the left acoustic signal and to couple a first modified left acoustic signal to the right speaker, and a right-left signal processor coupled to the right acoustic signal source to modify the right acoustic signal and to couple a first modified right acoustic signal to the left speaker.

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Y. C. Lim, "On the Identification of Systems from Data Measurements using ARMA Lattice Models" IEEE Trans. on Acoustics, Speech & Signal Proc. vol. ASSp. 34, No. 4, Aug. 1986, p. 824-8.

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