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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BR
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
Inventor
Peter Jax
Johann-Markus Batke
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Interdigital Madison Patent Holdings
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Publication of BR112013032878A2 publication Critical patent/BR112013032878A2/pt
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; ELECTRIC HEARING AIDS; 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

Country Status (11)

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

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US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
KR20250051142A (ko) * 2014-06-27 2025-04-16 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현
EP2960903A1 (en) 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
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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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Publication number Publication date
TWI526088B (zh) 2016-03-11
CN103635964A (zh) 2014-03-12
US9338574B2 (en) 2016-05-10
EP2727109B1 (en) 2020-08-05
KR102012988B1 (ko) 2019-08-21
CN103635964B (zh) 2016-05-04
US20140133660A1 (en) 2014-05-15
JP5921678B2 (ja) 2016-05-24
TW201301911A (zh) 2013-01-01
BR112013032878A2 (pt) 2017-01-24
AU2012278094A1 (en) 2014-01-16
AU2012278094B2 (en) 2017-07-27
DK2727109T3 (da) 2020-08-31
HUE051678T2 (hu) 2021-03-29
EP2727109A1 (en) 2014-05-07
EP2541547A1 (en) 2013-01-02
KR20140051927A (ko) 2014-05-02
WO2013000740A1 (en) 2013-01-03
JP2014523172A (ja) 2014-09-08

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25A Requested transfer of rights approved

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]

Free format text: O PRESENTE PEDIDO TEVE UM PARECER DE DEFERIMENTO NOTIFICADO NA RPI NO 2617 DE02/03/2021. ATRAVES DA MENSAGEM FALE CONOSCO 907401, A REQUERENTE SOLICITA CORRIGIR ERROS DETRADUCAO NO RELATORIO DESCRITIVO, QUADRO REIVINDICATORIO, RESUMO E DESENHOS DA PETICAO DEDEFERIMENTO. AS CORRECOES QUE DEVERAO COMPOR A CARTA-PATENTE SAO APRESENTADAS NA PETICAO870210021282 DE 05/03/2021. DIANTE DISTO, CONCLUO PELA RETIFICACAO.

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

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