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WO2014001930A3 - 一种通讯设备的主动降噪系统及其降噪处理方法 - Google Patents

一种通讯设备的主动降噪系统及其降噪处理方法 Download PDF

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Publication number
WO2014001930A3
WO2014001930A3 PCT/IB2013/054711 IB2013054711W WO2014001930A3 WO 2014001930 A3 WO2014001930 A3 WO 2014001930A3 IB 2013054711 W IB2013054711 W IB 2013054711W WO 2014001930 A3 WO2014001930 A3 WO 2014001930A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
noise
noise reduction
identifiable
communication device
Prior art date
Application number
PCT/IB2013/054711
Other languages
English (en)
French (fr)
Other versions
WO2014001930A2 (zh
Inventor
拉迪陶菲克·纳什·爱丁
大汉默罕默德·马哈茂德·默罕默德
黄光强
阿里哈桑·阿卜杜勒阿利姆·阿卜杜勒拉赫曼·阿哈迈德
Original Assignee
Rady Tawfik Nasr Eldin
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 Rady Tawfik Nasr Eldin filed Critical Rady Tawfik Nasr Eldin
Publication of WO2014001930A2 publication Critical patent/WO2014001930A2/zh
Publication of WO2014001930A3 publication Critical patent/WO2014001930A3/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)

Abstract

本发明公开一种通讯设备的主动降噪系统及其降噪处理方法，其中，可辨识信号探测器，用于探测可辨识信号，并将所述可辨识信号发送至信号处理器；噪音探测器，用于探测通讯设备周围的噪音信号，并将所述噪音信号发送至信号处理器；信号处理器，用于根据噪音信号对可辨识信号进行消噪处理获得消噪处理信号；所述信号处理器分别与可辨识信号探测器、噪音探测器连接。本发明利用探测到的噪音信号来中和或抵消可辨识信号中掺杂的同样的噪音信号，由此获得消噪处理信号，从而提高音频信号的通讯质量，提高音频信号的逼真度、清晰度及可辨识性。
PCT/IB2013/054711 2012-06-26 2013-06-09 一种通讯设备的主动降噪系统及其降噪处理方法 WO2014001930A2 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012102111137A CN102868455A (zh) 2012-06-26 2012-06-26 一种通讯设备的主动降噪系统及其降噪处理方法
CN201210211113.7 2012-06-26

Publications (2)

Publication Number Publication Date
WO2014001930A2 WO2014001930A2 (zh) 2014-01-03
WO2014001930A3 true WO2014001930A3 (zh) 2014-02-27

Family

ID=47447083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/054711 WO2014001930A2 (zh) 2012-06-26 2013-06-09 一种通讯设备的主动降噪系统及其降噪处理方法

Country Status (2)

Country Link
CN (1) CN102868455A (zh)
WO (1) WO2014001930A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102868455A (zh) * 2012-06-26 2013-01-09 拉迪 一种通讯设备的主动降噪系统及其降噪处理方法
CN103152108A (zh) * 2013-03-11 2013-06-12 拉迪 一种主动降噪系统的隔离装置
CN108093337B (zh) * 2017-12-23 2019-08-02 广州市尊浪电器有限公司 降噪音箱组件
CN111524499B (zh) * 2020-04-24 2023-04-28 青岛海信日立空调系统有限公司 空调器及基于app的主动降噪调试方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1874386A (zh) * 2005-05-24 2006-12-06 美国博通公司 具有改进性能的电话机及在其中处理音频信号的方法
CN101106405A (zh) * 2006-07-12 2008-01-16 北京大学深圳研究生院 回声消除器、回声消除方法及其双端通话检测系统
CN102868455A (zh) * 2012-06-26 2013-01-09 拉迪 一种通讯设备的主动降噪系统及其降噪处理方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1874386A (zh) * 2005-05-24 2006-12-06 美国博通公司 具有改进性能的电话机及在其中处理音频信号的方法
CN101106405A (zh) * 2006-07-12 2008-01-16 北京大学深圳研究生院 回声消除器、回声消除方法及其双端通话检测系统
CN102868455A (zh) * 2012-06-26 2013-01-09 拉迪 一种通讯设备的主动降噪系统及其降噪处理方法

Also Published As

Publication number Publication date
CN102868455A (zh) 2013-01-09
WO2014001930A2 (zh) 2014-01-03

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