Streaming normalization

Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic

Reexamination Certificate

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Details

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.

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