METHOD AND DEVICE FOR COMPRESSING A SPECTRUM OF SPEECH SIGNALS Russian patent published in 2008 - IPC G10L21/04 

Abstract RU 2320028 C1

FIELD: technology for time compression of speech signals.

SUBSTANCE: compression of speech signal spectrum is performed by reducing range of alternation of instant frequency of speech signal and its envelope curve and by limiting the spectrum of envelope curve with an envelope curve of the original speech signal.

EFFECT: increased quality of transmission of broadband speech signals through narrowband channels due to reduced width of spectrum of transmitted speech signals.

2 cl, 1 dwg, 1 app

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RU 2 320 028 C1

Authors

Uvarov Vladimir Konstantinovich

Markin Dmitrij Nikolaevich

Dates

2008-03-20Published

2006-09-27Filed