Decoding of information in audio signals

Details Decoding of information in audio signals Decoding of information in audio signals

2005-03-22

2005-03-22

Dorvil, Richemond (Department: 2654)

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

C380S205000, C725S014000, C725S018000

Reexamination Certificate

active

06871180

ABSTRACT:
Systems and methods are provided for decoding a message symbol in an audio signal. This message symbol is represented by first and second code symbols displaced in time. Values representing the code signals are accumulated and the accumulated values are examined to detect the message symbol.

REFERENCES:
patent: 2470240 (1949-05-01), Crosby
patent: 2573279 (1951-10-01), Scherbatskoy
patent: 2630525 (1953-03-01), Tomberlin et al.
patent: 2660662 (1953-11-01), Scherbatskoy
patent: 2766374 (1956-10-01), Hoffmann
patent: 3004104 (1961-10-01), Hembrooke
patent: 3397402 (1968-08-01), Schneider
patent: 3492577 (1970-01-01), Reiter et al.
patent: 3760275 (1973-09-01), Ohsawa et al.
patent: 3803349 (1974-04-01), Watanabe
patent: 3845391 (1974-10-01), Crosby
patent: 4025851 (1977-05-01), Haselwood et al.
patent: 4225967 (1980-09-01), Miwa et al.
patent: 4230990 (1980-10-01), Lert, Jr. et al.
patent: 4238849 (1980-12-01), Gassmann
patent: 4425642 (1984-01-01), Moses et al.
patent: 4450531 (1984-05-01), Kenyon et al.
patent: 4547804 (1985-10-01), Greenberg
patent: 4599732 (1986-07-01), LeFever
patent: 4613904 (1986-09-01), Lurie
patent: 4618995 (1986-10-01), Kemp
patent: 4626904 (1986-12-01), Lurie
patent: 4639779 (1987-01-01), Greenberg
patent: 4697209 (1987-09-01), Kiewit et al.
patent: 4703476 (1987-10-01), Howard
patent: 4718106 (1988-01-01), Weinblatt
patent: 4805020 (1989-02-01), Greenberg
patent: 4843562 (1989-06-01), Kenyon et al.
patent: 4876617 (1989-10-01), Best et al.
patent: 4943973 (1990-07-01), Werner
patent: 4945412 (1990-07-01), Kramer
patent: 4955070 (1990-09-01), Welsh et al.
patent: 4967273 (1990-10-01), Greenberg
patent: 4972471 (1990-11-01), Gross et al.
patent: 5023929 (1991-06-01), Call
patent: 5113437 (1992-05-01), Best et al.
patent: 5213337 (1993-05-01), Sherman
patent: 5319735 (1994-06-01), Preuss et al.
patent: 5404377 (1995-04-01), Moses
patent: 5425100 (1995-06-01), Thomas et al.
patent: 5450490 (1995-09-01), Jensen et al.
patent: 5526427 (1996-06-01), Thomas et al.
patent: 5579124 (1996-11-01), Aijala et al.
patent: 5764763 (1998-06-01), Jensen et al.
patent: 5960048 (1999-09-01), Haartsen
patent: 6005598 (1999-12-01), Jeong
patent: 6519769 (2003-02-01), Hopple et al.
patent: 6597405 (2003-07-01), Iggulden
patent: 6647548 (2003-11-01), Lu et al.
patent: 6675383 (2004-01-01), Wheeler et al.
patent: 6735775 (2004-05-01), Massetti
patent: 1 208 761 (1986-07-01), None
patent: 2036205 (1991-12-01), None
patent: 2559002 (1985-08-01), None
patent: WO 9111062 (1991-07-01), None
patent: WO 9307689 (1993-04-01), None
Definition of Checksum. Webpedia.*
Definition of Checksum. SearchSecurity.*
Namba, Seiichi, et al., “A Program Identification Code Transmission System Using Low-Frequency Audio Signals”; NHK Laboratories Note; Ser. No. 314, Mar. 85.
McGraw-Hill Encyclopedia of Science&Technology, 6th Edition,, McGraw-Hill Book Company, 1987, vol. 8, pp. 328-341.
Rossing,The Science of Sound, Addison—Wesley Publishing Company, 1990, Chapters 5 and 6 (pp. 65-108) and section 16.4 (pp. 336-338).
Zwislocki , J.J. “Masking: Experimental and Theoretical Aspects . . . ”, 1978, in Carterette, et al., ed., Handbook of Perception vol. IV, pp. 283-316, Academic Press, New York.

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