BR112013032878B1 - Método e aparelho para mudar as posições relativas de objetos de som contidos dentro de uma representação ambisônica de ordem superior - Google Patents

Método e aparelho para mudar as posições relativas de objetos de som contidos dentro de uma representação ambisônica de ordem superior Download PDF

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Publication number
BR112013032878B1
BR112013032878B1 BR112013032878-9A BR112013032878A BR112013032878B1 BR 112013032878 B1 BR112013032878 B1 BR 112013032878B1 BR 112013032878 A BR112013032878 A BR 112013032878A BR 112013032878 B1 BR112013032878 B1 BR 112013032878B1
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Brazil
Prior art keywords
coefficients
deformation
hoa
vector
matrix
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BR112013032878-9A
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English (en)
Portuguese (pt)
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BR112013032878A2 (pt
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Peter Jax
Johann-Markus Batke
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Interdigital Madison Patent Holdings
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Publication of BR112013032878B1 publication Critical patent/BR112013032878B1/pt

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    • 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 
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
BR112013032878-9A 2011-06-30 2012-06-15 Método e aparelho para mudar as posições relativas de objetos de som contidos dentro de uma representação ambisônica de ordem superior BR112013032878B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11305845A EP2541547A1 (en) 2011-06-30 2011-06-30 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
EP11305845.7 2011-06-30
PCT/EP2012/061477 WO2013000740A1 (en) 2011-06-30 2012-06-15 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation

Publications (2)

Publication Number Publication Date
BR112013032878A2 BR112013032878A2 (pt) 2017-01-24
BR112013032878B1 true BR112013032878B1 (pt) 2021-04-13

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BR112013032878-9A BR112013032878B1 (pt) 2011-06-30 2012-06-15 Método e aparelho para mudar as posições relativas de objetos de som contidos dentro de uma representação ambisônica de ordem superior

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Country Link
US (1) US9338574B2 (enExample)
EP (2) EP2541547A1 (enExample)
JP (1) JP5921678B2 (enExample)
KR (1) KR102012988B1 (enExample)
CN (1) CN103635964B (enExample)
AU (1) AU2012278094B2 (enExample)
BR (1) BR112013032878B1 (enExample)
DK (1) DK2727109T3 (enExample)
HU (1) HUE051678T2 (enExample)
TW (1) TWI526088B (enExample)
WO (1) WO2013000740A1 (enExample)

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KR102686291B1 (ko) 2014-01-08 2024-07-19 돌비 인터네셔널 에이비 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치
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CN106105270A (zh) * 2014-03-25 2016-11-09 英迪股份有限公司 用于处理音频信号的系统和方法
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
CN117612540A (zh) * 2014-06-27 2024-02-27 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
JP6641303B2 (ja) * 2014-06-27 2020-02-05 ドルビー・インターナショナル・アーベー 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
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US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
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EP2727109A1 (en) 2014-05-07
TW201301911A (zh) 2013-01-01
US9338574B2 (en) 2016-05-10
TWI526088B (zh) 2016-03-11
KR20140051927A (ko) 2014-05-02
AU2012278094B2 (en) 2017-07-27
EP2727109B1 (en) 2020-08-05
HUE051678T2 (hu) 2021-03-29
DK2727109T3 (da) 2020-08-31
KR102012988B1 (ko) 2019-08-21
US20140133660A1 (en) 2014-05-15
WO2013000740A1 (en) 2013-01-03
EP2541547A1 (en) 2013-01-02
BR112013032878A2 (pt) 2017-01-24
JP5921678B2 (ja) 2016-05-24
CN103635964B (zh) 2016-05-04
CN103635964A (zh) 2014-03-12
JP2014523172A (ja) 2014-09-08
AU2012278094A1 (en) 2014-01-16

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
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Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Correction of the decision to grant [chapter 9.1.4 patent gazette]

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B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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