System and method for 3D sound processing

Details System and method for 3D sound processing System and method for 3D sound processing

2004-05-21

2009-06-23

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

C381S017000, C381S018000, C381S019000

Reexamination Certificate

active

07551741

ABSTRACT:
A system for 3D sound processing. The system includes a first processing section including a first left lattice filter and a first right lattice filter, respectively electrically connected to a second left lattice filter and a second right lattice filter, and including two negative couplers, each electrically connected to the first left and right lattice filters and also electrically connected to the second left and right lattice filters, and a second processing section including a left filter and a right filter, respectively electrically connected to the second left lattice filter and the second right lattice filter.

REFERENCES:
patent: 4121059 (1978-10-01), Nakabayashi
patent: 4980914 (1990-12-01), Kunugi et al.
patent: 6804358 (2004-10-01), Kawano
patent: 2001/0012367 (2001-08-01), Sotome et al.

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