CN109644305A - 用于管理信号路径中的失真的设备和方法 - Google Patents

用于管理信号路径中的失真的设备和方法 Download PDF

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Publication number
CN109644305A
CN109644305A CN201780048229.4A CN201780048229A CN109644305A CN 109644305 A CN109644305 A CN 109644305A CN 201780048229 A CN201780048229 A CN 201780048229A CN 109644305 A CN109644305 A CN 109644305A
Authority
CN
China
Prior art keywords
audio signal
signal
phase
degree
loudspeaker
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.)
Pending
Application number
CN201780048229.4A
Other languages
English (en)
Chinese (zh)
Inventor
格雷戈里·基思·坎贝雷尔
泽利科·维利坎
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.)
TUBRICK TECHNOLOGIES Pty Ltd
Blueprint Acoustics Pty Ltd
Original Assignee
TUBRICK TECHNOLOGIES Pty 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
Priority claimed from AU2016903021A external-priority patent/AU2016903021A0/en
Application filed by TUBRICK TECHNOLOGIES Pty Ltd filed Critical TUBRICK TECHNOLOGIES Pty Ltd
Publication of CN109644305A publication Critical patent/CN109644305A/zh
Pending legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H04R3/14—Cross-over networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • 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
    • H04R2201/403—Linear 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
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/09—Electronic reduction of distortion of stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Algebra (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CN201780048229.4A 2016-08-01 2017-06-30 用于管理信号路径中的失真的设备和方法 Pending CN109644305A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2016903021A AU2016903021A0 (en) 2016-08-01 A distortion cancellation system for Loudspeakers
AU2016903021 2016-08-01
AU2017902425 2017-06-23
AU2017902425A AU2017902425A0 (en) 2017-06-23 Apparatus for managing distortion in a signal path and method
PCT/AU2017/050677 WO2018023150A1 (en) 2016-08-01 2017-06-30 Apparatus for managing distortion in a signal path and method

Publications (1)

Publication Number Publication Date
CN109644305A true CN109644305A (zh) 2019-04-16

Family

ID=61072253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780048229.4A Pending CN109644305A (zh) 2016-08-01 2017-06-30 用于管理信号路径中的失真的设备和方法

Country Status (6)

Country Link
US (1) US11089401B2 (enExample)
EP (1) EP3491844A4 (enExample)
JP (1) JP2019523610A (enExample)
KR (1) KR102302226B1 (enExample)
CN (1) CN109644305A (enExample)
WO (1) WO2018023150A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110740403A (zh) * 2019-10-24 2020-01-31 上海易和声学科技有限公司 一种用于线阵列扬声器系统的信号处理装置及线阵列扬声器系统
CN112118519A (zh) * 2019-06-19 2020-12-22 三星显示有限公司 显示设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021068028A1 (en) * 2019-10-10 2021-04-15 Blueprint Acoustics Pty Ltd Improved loudspeaker assembly and system for vehicles
KR102202722B1 (ko) * 2019-12-13 2021-01-13 (주)큐델릭스 헤드셋 장치에서 출력 신호를 적응적으로 교정하는 방법 및 헤드셋 장치
WO2022248043A1 (en) * 2021-05-27 2022-12-01 Huawei Technologies Co., Ltd. Audio device and method for producing a sound field
WO2023167511A1 (ko) * 2022-03-02 2023-09-07 삼성전자 주식회사 소리를 출력하기 위한 전자 장치 및 방법
US12395782B2 (en) 2022-03-02 2025-08-19 Samsung Electronics Co., Ltd. Electronic device and method for outputting sound
US12395783B1 (en) * 2024-08-23 2025-08-19 Fourier Sound, Inc. Method of operating a sound system to create a functionally massless driver

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CN102866296A (zh) * 2011-07-08 2013-01-09 杜比实验室特许公司 估计非线性失真的方法和系统、调节参数的方法和系统
CN103152673A (zh) * 2011-12-07 2013-06-12 中国科学院声学研究所 基于四元码动态失配整形的数字扬声器驱动方法和装置
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CN101127510A (zh) * 2006-08-17 2008-02-20 松下电器产业株式会社 差分输入d类放大器
CN102866296A (zh) * 2011-07-08 2013-01-09 杜比实验室特许公司 估计非线性失真的方法和系统、调节参数的方法和系统
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112118519A (zh) * 2019-06-19 2020-12-22 三星显示有限公司 显示设备
CN110740403A (zh) * 2019-10-24 2020-01-31 上海易和声学科技有限公司 一种用于线阵列扬声器系统的信号处理装置及线阵列扬声器系统
CN110740403B (zh) * 2019-10-24 2021-02-09 上海易和声学科技有限公司 一种用于线阵列扬声器系统的信号处理装置及线阵列扬声器系统

Also Published As

Publication number Publication date
US11089401B2 (en) 2021-08-10
EP3491844A4 (en) 2020-08-05
WO2018023150A1 (en) 2018-02-08
US20180255391A1 (en) 2018-09-06
EP3491844A1 (en) 2019-06-05
KR20190032567A (ko) 2019-03-27
JP2019523610A (ja) 2019-08-22
KR102302226B1 (ko) 2021-09-15

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RJ01 Rejection of invention patent application after publication

Application publication date: 20190416

RJ01 Rejection of invention patent application after publication