CN102484757B - 用于会议音频系统的延迟单元、用于延迟音频输入信号的方法、计算机程序以及会议音频系统 - Google Patents

用于会议音频系统的延迟单元、用于延迟音频输入信号的方法、计算机程序以及会议音频系统 Download PDF

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Publication number
CN102484757B
CN102484757B CN200980161150.8A CN200980161150A CN102484757B CN 102484757 B CN102484757 B CN 102484757B CN 200980161150 A CN200980161150 A CN 200980161150A CN 102484757 B CN102484757 B CN 102484757B
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Prior art keywords
time delay
input signal
audio
representative
write
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CN102484757A (zh
Inventor
M·斯马克
C.P.·扬瑟
C·常
L.C.A.·范斯特伊芬贝赫
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/009—Signal processing in [PA] systems to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/05—Application of the precedence or Haas effect, i.e. the effect of first wavefront, in order to improve sound-source localisation

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN200980161150.8A 2009-09-03 2009-09-03 用于会议音频系统的延迟单元、用于延迟音频输入信号的方法、计算机程序以及会议音频系统 Active CN102484757B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/061395 WO2011026518A1 (en) 2009-09-03 2009-09-03 Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system

Publications (2)

Publication Number Publication Date
CN102484757A CN102484757A (zh) 2012-05-30
CN102484757B true CN102484757B (zh) 2017-04-26

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CN200980161150.8A Active CN102484757B (zh) 2009-09-03 2009-09-03 用于会议音频系统的延迟单元、用于延迟音频输入信号的方法、计算机程序以及会议音频系统

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US (1) US9271096B2 (enExample)
EP (1) EP2474170B1 (enExample)
JP (1) JP5511961B2 (enExample)
CN (1) CN102484757B (enExample)
WO (1) WO2011026518A1 (enExample)

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CN104317361B (zh) * 2014-10-27 2017-08-04 杭州中天微系统有限公司 一种基于指针延迟更新的循环缓冲器
CN116318657A (zh) * 2016-12-30 2023-06-23 山东量子科学技术研究院有限公司 一种中继密钥传输方法
US10334360B2 (en) * 2017-06-12 2019-06-25 Revolabs, Inc Method for accurately calculating the direction of arrival of sound at a microphone array
CN110096250B (zh) * 2018-01-31 2020-05-29 北京金山云网络技术有限公司 一种音频数据处理方法、装置、电子设备及存储介质
CN108897700A (zh) * 2018-06-26 2018-11-27 青岛海信宽带多媒体技术有限公司 一种环形缓存器的数据处理方法、装置及机顶盒
CN117880696B (zh) * 2022-10-12 2024-07-16 广州开得联软件技术有限公司 混音方法、装置、计算机设备以及存储介质

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US6275899B1 (en) * 1998-11-13 2001-08-14 Creative Technology, Ltd. Method and circuit for implementing digital delay lines using delay caches
CN1930915A (zh) * 2004-03-11 2007-03-14 皇家飞利浦电子股份有限公司 用于处理声音信号的方法和系统
CN101268715A (zh) * 2005-11-02 2008-09-17 雅马哈株式会社 电话会议装置

Also Published As

Publication number Publication date
JP2013504229A (ja) 2013-02-04
EP2474170A1 (en) 2012-07-11
US20120170768A1 (en) 2012-07-05
US9271096B2 (en) 2016-02-23
WO2011026518A1 (en) 2011-03-10
EP2474170B1 (en) 2017-05-31
CN102484757A (zh) 2012-05-30
JP5511961B2 (ja) 2014-06-04

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