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Method, device, and system of noise reduction and speech enhancement

A speech and noise estimation technology, applied in speech analysis, measuring ultrasonic/sonic/infrasonic waves, measuring devices, etc.

Inactive Publication Date: 2017-08-01
VOCALZOOM SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, such microphones typically pick up noise and / or interference in addition to or instead of picking up the desired acoustic signal (e.g., a speaker's voice)

Method used

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  • Method, device, and system of noise reduction and speech enhancement
  • Method, device, and system of noise reduction and speech enhancement
  • Method, device, and system of noise reduction and speech enhancement

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Embodiment Construction

[0024] In the following detailed description of various embodiments, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustrations specific embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the present invention.

[0025] The present invention, in some of its embodiments, provides systems and methods for improving noise reduction and speech recognition using an auxiliary one or more non-contact optical sensors. For example, the present invention may utilize optical sensor(s) or optical microphone(s) or laser(s) that may not be in contact with the speaker's body or face and may be located away from or away from the speaker's body or face microphone. The speech enhancement process(s) of the present invention effectively uses multiple acoustic sensors, such as an acoustic microphone locat...

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Abstract

A system and a method for producing enhanced speech data associated with at least one speaker are provided. The process of producing the enhanced speech data comprises: receiving distant signal data from a distant acoustic sensor; receiving proximate signal data from a proximate acoustic sensor located closer to the speaker than the distant acoustic sensor; receiving optical data originating from an optical unit configured for optically detecting acoustic signals in an area of the speaker and outputting data associated with speech of the speaker; processing the distant and proximate signals data for producing a speech reference and a noise reference; operating an adaptive noise estimation module, which identifies stationary and / or transient noise signal components, by using the noise reference; and operating a post filtering module, which uses the optical data, speech reference and identified noise signal components for creating an enhanced speech data.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to and benefit of U.S. Provisional Patent Application No. 62 / 075,967, filed November 6, 2014, the entire contents of which are incorporated herein by reference. This application also claims priority and benefit to US Patent Application No. 14 / 608,372, filed January 29, 2015, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates generally to methods and systems for reducing noise from acoustic and / or audio signals; and more particularly, to methods and systems for reducing noise from acoustic and / or audio signals for speech detection and enhancement purposes. Methods and systems for noise. Background technique [0004] Various types of electronic devices utilize acoustic microphones in order to collect acoustic signals. For example, cellular telephones, smart phones, and laptop computers often include microphones capab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/02G01H9/00
CPCG10L25/90G10L2021/02165G10L25/84G10L21/0208
Inventor Y·阿瓦格尔M·雷费尔
Owner VOCALZOOM SYST
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