Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent
1993-02-09
1995-08-22
Isen, Forester W.
Electrical audio signal processing systems and devices
Acoustical noise or sound cancellation
Adjacent ear
G10K 1116
Patent
active
054447860
ABSTRACT:
An adaptive snoring signal suppression system globally cancels snoring signals by determining a canceling signal based on a received snoring signal. The system creates a doublet between a plane of a speaker and the source of the snoring signal such that at the plane of the speaker, the canceling signal is 180 degrees out of phase with the snoring signal as measured at the source. The system uses digital signal processing to adaptively estimate a snoring sound canceling signal based on past snoring signals.
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patent: 4473906 (1984-09-01), Warnaka et al.
patent: 4654871 (1987-03-01), Chaplin et al.
patent: 4677676 (1987-06-01), Eriksson
patent: 5133017 (1992-06-01), Cain et al.
Isen Forester W.
SNAP Laboratories L.L.C.
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