HK1222280A1 - 多聲道的數位麥克風 - Google Patents

多聲道的數位麥克風

Info

Publication number
HK1222280A1
HK1222280A1 HK16110422.9A HK16110422A HK1222280A1 HK 1222280 A1 HK1222280 A1 HK 1222280A1 HK 16110422 A HK16110422 A HK 16110422A HK 1222280 A1 HK1222280 A1 HK 1222280A1
Authority
HK
Hong Kong
Prior art keywords
channel digital
digital microphone
microphone
channel
digital
Prior art date
Application number
HK16110422.9A
Other languages
English (en)
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 filed Critical
Publication of HK1222280A1 publication Critical patent/HK1222280A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09—Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
HK16110422.9A 2015-01-12 2016-09-01 多聲道的數位麥克風 HK1222280A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510014266.6A CN105848062B (zh) 2015-01-12 2015-01-12 多声道的数字麦克风

Publications (1)

Publication Number Publication Date
HK1222280A1 true HK1222280A1 (zh) 2017-06-23

Family

ID=56405180

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16110422.9A HK1222280A1 (zh) 2015-01-12 2016-09-01 多聲道的數位麥克風

Country Status (12)

Country Link
US (1) US10212522B2 (zh)
EP (1) EP3247130A4 (zh)
JP (1) JP2018506228A (zh)
KR (1) KR20170104566A (zh)
CN (1) CN105848062B (zh)
CA (1) CA2973246C (zh)
HK (1) HK1222280A1 (zh)
NZ (1) NZ734344A (zh)
SG (1) SG11201705717YA (zh)
TW (1) TWI595792B (zh)
WO (1) WO2016112635A1 (zh)
ZA (1) ZA201705425B (zh)

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CN109417666B (zh) * 2016-07-21 2020-12-01 三菱电机株式会社 噪声去除装置、回声消除装置和异常音检测装置
WO2018140618A1 (en) * 2017-01-27 2018-08-02 Shure Acquisiton Holdings, Inc. Array microphone module and system
CN114697812B (zh) * 2020-12-29 2023-06-20 华为技术有限公司 声音采集方法、电子设备及系统
CN113038312A (zh) * 2021-03-06 2021-06-25 深圳市智之祺科技有限公司 基于智能语音人机交互的dsp音频处理系统和方法
TWI774490B (zh) * 2021-07-28 2022-08-11 台灣立訊精密有限公司 通訊終端、通訊系統和音訊資訊處理方法
CN114449410B (zh) * 2021-11-12 2023-05-30 山东大学 一种多通道声纹信号同步采集系统及方法

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CN100466061C (zh) * 2005-08-15 2009-03-04 华为技术有限公司 一种宽带波束形成方法和装置
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US7565288B2 (en) * 2005-12-22 2009-07-21 Microsoft Corporation Spatial noise suppression for a microphone array
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Also Published As

Publication number Publication date
KR20170104566A (ko) 2017-09-15
CN105848062A (zh) 2016-08-10
JP2018506228A (ja) 2018-03-01
CN105848062B (zh) 2018-01-05
WO2016112635A1 (zh) 2016-07-21
US10212522B2 (en) 2019-02-19
ZA201705425B (en) 2019-07-31
SG11201705717YA (en) 2017-08-30
EP3247130A4 (en) 2018-06-13
CA2973246A1 (en) 2016-07-21
US20160353211A1 (en) 2016-12-01
EP3247130A1 (en) 2017-11-22
TWI595792B (zh) 2017-08-11
NZ734344A (en) 2020-03-27
TW201626817A (zh) 2016-07-16
CA2973246C (en) 2019-10-15

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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: 20220108