Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic
Reexamination Certificate
2008-03-11
2008-03-11
Chin, Vivian (Department: 2615)
Electrical audio signal processing systems and devices
Including amplitude or volume control
Automatic
C381S104000, C381S109000, C381S102000, C381S106000, C700S094000, C704S278000, C704S500000
Reexamination Certificate
active
07343019
ABSTRACT:
A normalization for streaming digital audio signals applies a gain factor according to the maximum sample magnitude in a window of samples and compare the gain factor to prior gain factors to adjust the gain factor for the samples in the window of samples. Adaptation of the gain factor with rapid decreases but slow increases avoids saturation but allows quiet passages.
REFERENCES:
patent: 5267322 (1993-11-01), Smith et al.
patent: 7082106 (2006-07-01), Sharma et al.
patent: 7107109 (2006-09-01), Nathan et al.
Dagani Gabriel
Hankins Timothy C.
Kridner Jason
Millikan Thomas
Scarr Christopher A.
Brady III W. James
Chin Vivian
Faulk Devona E
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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