HK1072852A1 - Digital linking of multiple microphone systems - Google Patents

Digital linking of multiple microphone systems

Info

Publication number
HK1072852A1
HK1072852A1 HK05103396.9A HK05103396A HK1072852A1 HK 1072852 A1 HK1072852 A1 HK 1072852A1 HK 05103396 A HK05103396 A HK 05103396A HK 1072852 A1 HK1072852 A1 HK 1072852A1
Authority
HK
Hong Kong
Prior art keywords
mixer
microphone
signals
systems
auto
Prior art date
Application number
HK05103396.9A
Other languages
English (en)
Inventor
Michael Pocino
Kwan Truong
Original Assignee
Polycom Inc
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 Polycom Inc filed Critical Polycom Inc
Publication of HK1072852A1 publication Critical patent/HK1072852A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/562—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities where the conference facilities are distributed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
HK05103396.9A 2002-01-18 2005-04-20 Digital linking of multiple microphone systems HK1072852A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35075002P 2002-01-18 2002-01-18
PCT/US2003/001974 WO2003061167A2 (en) 2002-01-18 2003-01-21 Digital linking of multiple microphone systems

Publications (1)

Publication Number Publication Date
HK1072852A1 true HK1072852A1 (en) 2005-09-09

Family

ID=23378017

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05103396.9A HK1072852A1 (en) 2002-01-18 2005-04-20 Digital linking of multiple microphone systems

Country Status (6)

Country Link
US (2) US7783063B2 (xx)
EP (1) EP1468550B1 (xx)
AT (1) ATE551826T1 (xx)
AU (1) AU2003210624A1 (xx)
HK (1) HK1072852A1 (xx)
WO (1) WO2003061167A2 (xx)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7783063B2 (en) * 2002-01-18 2010-08-24 Polycom, Inc. Digital linking of multiple microphone systems
US20050058275A1 (en) * 2003-09-12 2005-03-17 Jun Shi Audio source identification
US8031853B2 (en) * 2004-06-02 2011-10-04 Clearone Communications, Inc. Multi-pod conference systems
US8644525B2 (en) * 2004-06-02 2014-02-04 Clearone Communications, Inc. Virtual microphones in electronic conferencing systems
US7916849B2 (en) * 2004-06-02 2011-03-29 Clearone Communications, Inc. Systems and methods for managing the gating of microphones in a multi-pod conference system
US7864937B2 (en) * 2004-06-02 2011-01-04 Clearone Communications, Inc. Common control of an electronic multi-pod conferencing system
EP1675373A1 (en) * 2004-12-23 2006-06-28 Alcatel Conferencing system for exchanging information between subscriber devices via a network unit using different modes
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
WO2007051493A1 (en) * 2005-11-07 2007-05-10 Telecom Italia S.P.A. Method for managing a conference call in a telephone network
US8379823B2 (en) * 2008-04-07 2013-02-19 Polycom, Inc. Distributed bridging
EP2297977A4 (en) * 2008-05-30 2013-03-20 Cochlear Ltd METHOD AND DEVICE FOR ACOUSTIC PROCESSING
US20120045068A1 (en) * 2010-08-20 2012-02-23 Korea Institute Of Science And Technology Self-fault detection system and method for microphone array and audio-based device
US9226069B2 (en) * 2010-10-29 2015-12-29 Qualcomm Incorporated Transitioning multiple microphones from a first mode to a second mode
TW201225689A (en) * 2010-12-03 2012-06-16 Yare Technologies Inc Conference system capable of independently adjusting audio input
SE536046C2 (sv) 2011-01-19 2013-04-16 Limes Audio Ab Metod och anordning för mikrofonval
US8929564B2 (en) * 2011-03-03 2015-01-06 Microsoft Corporation Noise adaptive beamforming for microphone arrays
GB2493801B (en) * 2011-08-18 2014-05-14 Ibm Improved audio quality in teleconferencing
US9479866B2 (en) * 2011-11-14 2016-10-25 Analog Devices, Inc. Microphone array with daisy-chain summation
WO2014037766A1 (en) * 2012-09-10 2014-03-13 Nokia Corporation Detection of a microphone impairment
US9173023B2 (en) * 2012-09-25 2015-10-27 Intel Corporation Multiple device noise reduction microphone array
RU2648604C2 (ru) 2013-02-26 2018-03-26 Конинклейке Филипс Н.В. Способ и аппаратура для генерации сигнала речи
US9602918B2 (en) 2013-02-28 2017-03-21 Google Inc. Stream caching for audio mixers
EP2974289B1 (en) * 2013-03-15 2019-05-08 Robert Bosch GmbH Conference system and process for operating the conference system
US9554207B2 (en) * 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US10516703B2 (en) * 2016-03-07 2019-12-24 Precision Biometrics, Inc. Monitoring and controlling the status of a communication session
DK3430821T3 (da) 2016-03-17 2022-04-04 Sonova Ag Hørehjælpssystem i et akustisk netværk med flere talekilder
CN107548564B (zh) * 2016-04-29 2021-02-26 华为技术有限公司 一种语音输入异常的确定方法、装置、终端以及存储介质
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
CN110447238B (zh) * 2017-01-27 2021-12-03 舒尔获得控股公司 阵列麦克风模块及系统
US10706868B2 (en) * 2017-09-06 2020-07-07 Realwear, Inc. Multi-mode noise cancellation for voice detection
WO2019231632A1 (en) 2018-06-01 2019-12-05 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
EP3854108A1 (en) 2018-09-20 2021-07-28 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US11871189B2 (en) 2018-09-20 2024-01-09 Signify Holding B.V. Method and a controller for configuring a distributed microphone system
US11109133B2 (en) 2018-09-21 2021-08-31 Shure Acquisition Holdings, Inc. Array microphone module and system
US10887467B2 (en) 2018-11-20 2021-01-05 Shure Acquisition Holdings, Inc. System and method for distributed call processing and audio reinforcement in conferencing environments
CN113841419A (zh) 2019-03-21 2021-12-24 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
JP2022526761A (ja) 2019-03-21 2022-05-26 シュアー アクイジッション ホールディングス インコーポレイテッド 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置
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
CN114051738A (zh) 2019-05-23 2022-02-15 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
EP3977449A1 (en) 2019-05-31 2022-04-06 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
JP2022545113A (ja) 2019-08-23 2022-10-25 シュアー アクイジッション ホールディングス インコーポレイテッド 指向性が改善された一次元アレイマイクロホン
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
CN111385349B (zh) * 2020-02-07 2021-07-16 北京达佳互联信息技术有限公司 通信处理方法、装置、终端、服务器及存储介质
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
WO2022165007A1 (en) 2021-01-28 2022-08-04 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329575A (en) 1970-01-26 1973-09-12 Reid A A L Group communication apparatus
US3755625A (en) 1971-10-12 1973-08-28 Bell Telephone Labor Inc Multimicrophone loudspeaking telephone system
US4149032A (en) * 1978-05-04 1979-04-10 Industrial Research Products, Inc. Priority mixer control
US4449238A (en) * 1982-03-25 1984-05-15 Bell Telephone Laboratories, Incorporated Voice-actuated switching system
US4515721A (en) * 1982-09-27 1985-05-07 Jordan Chemical Company Process for the production of fatty acid esters of hydroxyalkyl sulfonate salts
US4658425A (en) 1985-04-19 1987-04-14 Shure Brothers, Inc. Microphone actuation control system suitable for teleconference systems
JPS647791A (en) 1987-06-30 1989-01-11 Nec Corp Multiscreen video conference method and device therefor
US5060273A (en) * 1989-10-11 1991-10-22 Lester Audio Laboratories, Inc. Sound mixing processor, method and system
US5121426A (en) 1989-12-22 1992-06-09 At&T Bell Laboratories Loudspeaking telephone station including directional microphone
GB9007600D0 (en) * 1990-04-04 1990-05-30 Hunting Communication Tech Ring communication system
US5206913A (en) * 1991-02-15 1993-04-27 Lectrosonics, Inc. Method and apparatus for logic controlled microphone equalization
US5259035A (en) * 1991-08-02 1993-11-02 Knowles Electronics, Inc. Automatic microphone mixer
US5335011A (en) 1993-01-12 1994-08-02 Bell Communications Research, Inc. Sound localization system for teleconferencing using self-steering microphone arrays
US5631967A (en) * 1993-11-24 1997-05-20 Intel Corporation Processing audio signals using a state variable
US5506910A (en) * 1994-01-13 1996-04-09 Sabine Musical Manufacturing Company, Inc. Automatic equalizer
US5561737A (en) 1994-05-09 1996-10-01 Lucent Technologies Inc. Voice actuated switching system
US5483528A (en) * 1994-10-11 1996-01-09 Telex Communications, Inc. TDM digital matrix intercom system
US5828756A (en) 1994-11-22 1998-10-27 Lucent Technologies Inc. Stereophonic acoustic echo cancellation using non-linear transformations
US7012630B2 (en) * 1996-02-08 2006-03-14 Verizon Services Corp. Spatial sound conference system and apparatus
US5848146A (en) * 1996-05-10 1998-12-08 Rane Corporation Audio system for conferencing/presentation room
US5715319A (en) 1996-05-30 1998-02-03 Picturetel Corporation Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
US5858756A (en) 1997-04-29 1999-01-12 Incyte Pharmaceuticals, Inc. Human lysophospholipase
US5991385A (en) * 1997-07-16 1999-11-23 International Business Machines Corporation Enhanced audio teleconferencing with sound field effect
JP3157769B2 (ja) 1998-03-02 2001-04-16 静岡日本電気株式会社 Ｔｖ音声制御装置
US6895093B1 (en) 1998-03-03 2005-05-17 Texas Instruments Incorporated Acoustic echo-cancellation system
US6173059B1 (en) 1998-04-24 2001-01-09 Gentner Communications Corporation Teleconferencing system with visual feedback
US6049607A (en) * 1998-09-18 2000-04-11 Lamar Signal Processing Interference canceling method and apparatus
US6618073B1 (en) 1998-11-06 2003-09-09 Vtel Corporation Apparatus and method for avoiding invalid camera positioning in a video conference
US6408327B1 (en) 1998-12-22 2002-06-18 Nortel Networks Limited Synthetic stereo conferencing over LAN/WAN
US7006616B1 (en) * 1999-05-21 2006-02-28 Terayon Communication Systems, Inc. Teleconferencing bridge with EdgePoint mixing
US7260231B1 (en) 1999-05-26 2007-08-21 Donald Scott Wedge Multi-channel audio panel
US6496201B1 (en) 1999-09-30 2002-12-17 International Business Machines Corporation System and user interface for multiparty conferencing
US6850496B1 (en) * 2000-06-09 2005-02-01 Cisco Technology, Inc. Virtual conference room for voice conferencing
GB0121206D0 (en) 2001-08-31 2001-10-24 Mitel Knowledge Corp System and method of indicating and controlling sound pickup direction and location in a teleconferencing system
US7783063B2 (en) * 2002-01-18 2010-08-24 Polycom, Inc. Digital linking of multiple microphone systems
US7333622B2 (en) 2002-10-18 2008-02-19 The Regents Of The University Of California Dynamic binaural sound capture and reproduction
US7428000B2 (en) 2003-06-26 2008-09-23 Microsoft Corp. System and method for distributed meetings
US7515721B2 (en) 2004-02-09 2009-04-07 Microsoft Corporation Self-descriptive microphone array
US7023737B1 (en) * 2005-08-01 2006-04-04 Sandisk Corporation System for programming non-volatile memory with self-adjusting maximum program loop

Also Published As

Publication number Publication date
US20100278358A1 (en) 2010-11-04
AU2003210624A1 (en) 2003-07-30
EP1468550B1 (en) 2012-03-28
EP1468550A4 (en) 2008-09-17
WO2003061167A2 (en) 2003-07-24
EP1468550A2 (en) 2004-10-20
WO2003061167B1 (en) 2004-05-27
WO2003061167A3 (en) 2003-09-25
US20030138119A1 (en) 2003-07-24
US7783063B2 (en) 2010-08-24
US9338301B2 (en) 2016-05-10
AU2003210624A8 (en) 2003-07-30
ATE551826T1 (de) 2012-04-15

Similar Documents

Publication Publication Date Title
HK1072852A1 (en) Digital linking of multiple microphone systems
WO2006116644A3 (en) Audio processing in a multi-participant conference
HUP0002939A2 (hu) Vevő- és dekódolóberendezés digitális televíziórendszerhez, továbbá sugárzott jelek vételére, valamint a javasolt vevő- és dekódolóberendezéseket tartalmazó rendszer
WO2000041397A8 (en) Computer system for statistical multiplexing of bitstreams
EP1039734A3 (en) Method and system for reducing multimedia conference bandwidth
EP0730365A3 (en) Audio communication control unit
TW200610373A (en) Stereo microphone processing for teleconferencing
WO2005002278A3 (en) Multi-channel sound processing systems
CN104871513A (zh) 音频流设备
US20120269359A1 (en) Media distribution system
WO2007127081A3 (en) Distributed routing system and method
EP1071231A3 (en) Audio data processing apparatus
US20100035548A1 (en) Communication system
EP1874094B1 (en) Hybrid conference system
CN102064780B (zh) 具有直接输出增益稳定器的音频控制台
WO2022193473A1 (zh) 一种基于管道的音频广播方法
MY158025A (en) System and method for receiving multiple channels
ATE245323T1 (de) Netzwerk sowie koppelgerät zur verbindung zweier segmente in einem derartigen netzwerk und netzwerkteilnehmer
GB0028353D0 (en) Improvements relating to digital data communications
DE69826751D1 (de) Rundfunkempfänger für den Empfang von Signalen von mehreren Uebertragungssystemen wie z.B. des digitalen Tonrundfunks und des Radiodatensystems
WO1999020006A3 (en) Single-chip audio circuits, methods, and systems using the same
US4829513A (en) Time slot summation communication system for allowing conference calls
WO2004105343A3 (en) Server apparatus and a data communications system
GB2376395A (en) Transmitting synchronization data in an audio and/or video processing system
GB2384149A (en) A method of audio signal processing for a loudspeaker located close to an ear

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20220121