WO2012161555A3 - 방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법 - Google Patents

방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법 Download PDF

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Publication number
WO2012161555A3
WO2012161555A3 PCT/KR2012/004213 KR2012004213W WO2012161555A3 WO 2012161555 A3 WO2012161555 A3 WO 2012161555A3 KR 2012004213 W KR2012004213 W KR 2012004213W WO 2012161555 A3 WO2012161555 A3 WO 2012161555A3
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WO
WIPO (PCT)
Prior art keywords
signal
separation system
audio
microphone array
microphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/004213
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English (en)
French (fr)
Other versions
WO2012161555A2 (ko
Inventor
신호준
김세웅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MIGHTYWORKS CO Ltd
Original Assignee
MIGHTYWORKS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MIGHTYWORKS CO Ltd filed Critical MIGHTYWORKS CO Ltd
Priority to JP2014512772A priority Critical patent/JP2014518053A/ja
Priority to US14/119,982 priority patent/US9516411B2/en
Publication of WO2012161555A2 publication Critical patent/WO2012161555A2/ko
Publication of WO2012161555A3 publication Critical patent/WO2012161555A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • G10L21/028—Voice signal separating using properties of sound source
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법이 개시된다. 상기 제1방향을 향하도록 설치되는 적어도 하나의 제1마이크 및 상기 제1방향과는 다른 방향을 향하도록 설치되는 적어도 하나의 제2마이크를 포함하는 마이크 어레이를 이용하여 제1음성신호와 제2음성신호가 혼합된 혼합신호를 수신하고, 상기 적어도 하나의 제2마이크를 통해 레퍼런스 신호를 수신하기 위한 신호수신부, 상기 신호수신부에 의해 수신된 혼합신호에서 상기 제2음성신호를 상쇄하기 위한 음성신호 분리부를 포함하며, 상기 음성신호 분리부는 상기 적어도 하나의 제2마이크를 통해 입력된 상기 레퍼런스 신호를 이용하여 상기 제2음성신호를 상쇄하는 것을 특징으로 한다.
PCT/KR2012/004213 2011-05-26 2012-05-29 방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법 Ceased WO2012161555A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014512772A JP2014518053A (ja) 2011-05-26 2012-05-29 指向性マイクアレイを用いた信号分離システム及びその提供方法
US14/119,982 US9516411B2 (en) 2011-05-26 2012-05-29 Signal-separation system using a directional microphone array and method for providing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110050266A KR101248971B1 (ko) 2011-05-26 2011-05-26 방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법
KR10-2011-0050266 2011-05-26

Publications (2)

Publication Number Publication Date
WO2012161555A2 WO2012161555A2 (ko) 2012-11-29
WO2012161555A3 true WO2012161555A3 (ko) 2013-01-24

Family

ID=47217932

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/004213 Ceased WO2012161555A2 (ko) 2011-05-26 2012-05-29 방향성 마이크 어레이를 이용한 신호 분리시스템 및 그 제공방법

Country Status (4)

Country Link
US (1) US9516411B2 (ko)
JP (1) JP2014518053A (ko)
KR (1) KR101248971B1 (ko)
WO (1) WO2012161555A2 (ko)

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US8855101B2 (en) 2010-03-09 2014-10-07 The Nielsen Company (Us), Llc Methods, systems, and apparatus to synchronize actions of audio source monitors
US8885842B2 (en) 2010-12-14 2014-11-11 The Nielsen Company (Us), Llc Methods and apparatus to determine locations of audience members
US10102850B1 (en) * 2013-02-25 2018-10-16 Amazon Technologies, Inc. Direction based end-pointing for speech recognition
US9021516B2 (en) 2013-03-01 2015-04-28 The Nielsen Company (Us), Llc Methods and systems for reducing spillover by measuring a crest factor
US9118960B2 (en) 2013-03-08 2015-08-25 The Nielsen Company (Us), Llc Methods and systems for reducing spillover by detecting signal distortion
US9219969B2 (en) 2013-03-13 2015-12-22 The Nielsen Company (Us), Llc Methods and systems for reducing spillover by analyzing sound pressure levels
US9191704B2 (en) 2013-03-14 2015-11-17 The Nielsen Company (Us), Llc Methods and systems for reducing crediting errors due to spillover using audio codes and/or signatures
US9197930B2 (en) 2013-03-15 2015-11-24 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover in an audience monitoring system
US20140379421A1 (en) 2013-06-25 2014-12-25 The Nielsen Company (Us), Llc Methods and apparatus to characterize households with media meter data
KR20150022476A (ko) 2013-08-23 2015-03-04 삼성전자주식회사 디스플레이장치 및 그 제어방법
US9924224B2 (en) 2015-04-03 2018-03-20 The Nielsen Company (Us), Llc Methods and apparatus to determine a state of a media presentation device
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) * 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9848222B2 (en) 2015-07-15 2017-12-19 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover
WO2017056288A1 (ja) * 2015-10-01 2017-04-06 三菱電機株式会社 音響信号処理装置、音響処理方法、監視装置および監視方法
US9747920B2 (en) 2015-12-17 2017-08-29 Amazon Technologies, Inc. Adaptive beamforming to create reference channels
JP7020799B2 (ja) * 2017-05-16 2022-02-16 ソニーグループ株式会社 情報処理装置、及び情報処理方法
US10522167B1 (en) * 2018-02-13 2019-12-31 Amazon Techonlogies, Inc. Multichannel noise cancellation using deep neural network masking
TWI865506B (zh) 2019-03-21 2024-12-11 美商舒爾獲得控股公司 具有抑制功能的波束形成麥克風瓣之自動對焦、區域內自動對焦、及自動配置
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
WO2021087377A1 (en) 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
CN112102825B (zh) * 2020-08-11 2021-11-26 湖北亿咖通科技有限公司 基于车机语音识别的音频处理方法、装置和计算机设备
CN112017681B (zh) * 2020-09-07 2022-05-13 思必驰科技股份有限公司 定向语音的增强方法及系统
US12525083B2 (en) 2021-11-05 2026-01-13 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
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Also Published As

Publication number Publication date
WO2012161555A2 (ko) 2012-11-29
KR101248971B1 (ko) 2013-04-09
US9516411B2 (en) 2016-12-06
JP2014518053A (ja) 2014-07-24
US20140126746A1 (en) 2014-05-08
KR20120131826A (ko) 2012-12-05

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