HK1220844A1 - 用於生成環繞立體聲聲場的方法及其裝置和程序產品 - Google Patents

用於生成環繞立體聲聲場的方法及其裝置和程序產品

Info

Publication number
HK1220844A1
HK1220844A1 HK16108833.6A HK16108833A HK1220844A1 HK 1220844 A1 HK1220844 A1 HK 1220844A1 HK 16108833 A HK16108833 A HK 16108833A HK 1220844 A1 HK1220844 A1 HK 1220844A1
Authority
HK
Hong Kong
Prior art keywords
generating
computer program
program product
sound field
surround sound
Prior art date
Application number
HK16108833.6A
Other languages
English (en)
Inventor
Xuejing Sun
Bin Cheng
Sen Xu
Zhiwei Shuang
Jun Wang
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of HK1220844A1 publication Critical patent/HK1220844A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • 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
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H04R29/002—Loudspeaker arrays
    • 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
    • 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
    • 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
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection

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)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
HK16108833.6A 2013-06-18 2016-07-23 用於生成環繞立體聲聲場的方法及其裝置和程序產品 HK1220844A1 (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310246729.2A CN104244164A (zh) 2013-06-18 2013-06-18 生成环绕立体声声场
US201361839474P 2013-06-26 2013-06-26
PCT/US2014/042800 WO2014204999A2 (en) 2013-06-18 2014-06-17 Generating surround sound field

Publications (1)

Publication Number Publication Date
HK1220844A1 true HK1220844A1 (zh) 2017-05-12

Family

ID=52105492

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16108833.6A HK1220844A1 (zh) 2013-06-18 2016-07-23 用於生成環繞立體聲聲場的方法及其裝置和程序產品

Country Status (6)

Country Link
US (1) US9668080B2 (zh)
EP (1) EP3011763B1 (zh)
JP (2) JP5990345B1 (zh)
CN (2) CN104244164A (zh)
HK (1) HK1220844A1 (zh)
WO (1) WO2014204999A2 (zh)

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Also Published As

Publication number Publication date
JP2016533045A (ja) 2016-10-20
WO2014204999A2 (en) 2014-12-24
JP5990345B1 (ja) 2016-09-14
EP3011763B1 (en) 2017-08-09
US9668080B2 (en) 2017-05-30
WO2014204999A3 (en) 2015-03-26
CN104244164A (zh) 2014-12-24
US20160142851A1 (en) 2016-05-19
CN105340299A (zh) 2016-02-17
CN105340299B (zh) 2017-09-12
JP2017022718A (ja) 2017-01-26
EP3011763A2 (en) 2016-04-27

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