Noise-robust speech coding mode classification

US8990074B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8990074-B2
Application numberUS-201213443647-A
CountryUS
Kind codeB2
Filing dateApr 10, 2012
Priority dateMay 24, 2011
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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Abstract

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A method of noise-robust speech classification is disclosed. Classification parameters are input to a speech classifier from external components. Internal classification parameters are generated in the speech classifier from at least one of the input parameters. A Normalized Auto-correlation Coefficient Function threshold is set. A parameter analyzer is selected according to a signal environment. A speech mode classification is determined based on a noise estimate of multiple frames of input speech.

First claim

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What is claimed is: 1. A method of noise-robust speech classification, comprising: inputting classification parameters to a speech classifier from external components; generating, in the speech classifier, internal classification parameters from at least one of the input classification parameters; setting a Normalized Auto-correlation Coefficient Function threshold, wherein setting the Normalized Auto-correlation Coefficient Function threshold comprises: increasing a first v…

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What does patent US8990074B2 cover?
A method of noise-robust speech classification is disclosed. Classification parameters are input to a speech classifier from external components. Internal classification parameters are generated in the speech classifier from at least one of the input parameters. A Normalized Auto-correlation Coefficient Function threshold is set. A parameter analyzer is selected according to a signal environmen…
Who is the assignee on this patent?
Duni Ethan Robert, Rajendran Vivek, Qualcomm Inc
What technology area does this patent fall under?
Primary CPC classification G10L19/22. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).