METHOD AND DEVICE FOR WIDENING AUDIO SIGNAL BANDWIDTH Russian patent published in 2012 - IPC G01L21/02

Abstract RU 2447415 C2

FIELD: information technology.

SUBSTANCE: digital audio signal with corresponding signal bandwidth is provided; energy value is provided which corresponds to at least energy beyond signal bandwidth which corresponds to digital audio signal; the energy value is used for simultaneous determination of spectrum envelope line shape and corresponding suitable energy for spectrum envelope line shape for content being out of signal bandwidth which corresponds to digital signal.

EFFECT: higher quality of audible content.

10 cl, 6 dwg

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RU 2 447 415 C2

Authors

Ramabadran Tenkasi V.

Dzhejsuk Mark A.

Dates

2012-04-10—Published

2008-10-09—Filed