BR112015004288A2 - renderização de som refletido para áudio à base de objeto - Google Patents

renderização de som refletido para áudio à base de objeto

Info

Publication number
BR112015004288A2
BR112015004288A2 BR112015004288A BR112015004288A BR112015004288A2 BR 112015004288 A2 BR112015004288 A2 BR 112015004288A2 BR 112015004288 A BR112015004288 A BR 112015004288A BR 112015004288 A BR112015004288 A BR 112015004288A BR 112015004288 A2 BR112015004288 A2 BR 112015004288A2
Authority
BR
Brazil
Prior art keywords
audio
listening
reflected sound
environment
based audio
Prior art date
Application number
BR112015004288A
Other languages
English (en)
Other versions
BR112015004288B1 (pt
Inventor
Seefeldt Alan
G Crockett Brett
Phillip Brown C
B Lando Joshua
Hooks Spencer
S Mehta Sripal
Murrie Stewart
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 BR112015004288A2 publication Critical patent/BR112015004288A2/pt
Publication of BR112015004288B1 publication Critical patent/BR112015004288B1/pt

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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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 
    • H04S5/005—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 five- or more-channel type, e.g. virtual surround
    • 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
    • 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
    • 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
    • H04R2205/026—Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2420/01—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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

resumo patente de invenção: "renderização de som refletido para áudio à base de objeto" trata-se de modalidades que são descritas para renderizar conteúdo de áudio espacial através de um sistema que é configurado para refletir áudio de uma ou mais superfícies de um ambiente de escuta. o sistema inclui um arranjo de drivers de áudio distribuídos ao redor de um cômodo, sendo que pelo menos um driver do arranjo de drivers é configurado para projetar ondas de som em direção a uma ou mais superfícies do ambiente de escuta para reflexão para uma área de escuta dentro do ambiente de escuta e um renderizador configurado para receber e processar fluxos de áudio e um ou mais conjuntos de metadados que são associados a cada um dos fluxos de áudio e que especificam um local de reprodução no ambiente de escuta.
BR112015004288-0A 2012-08-31 2013-08-28 sistema para renderizar som com o uso de elementos de som refletidos BR112015004288B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261695893P 2012-08-31 2012-08-31
US61/695,893 2012-08-31
PCT/US2013/056989 WO2014036085A1 (en) 2012-08-31 2013-08-28 Reflected sound rendering for object-based audio

Publications (2)

Publication Number Publication Date
BR112015004288A2 true BR112015004288A2 (pt) 2017-07-04
BR112015004288B1 BR112015004288B1 (pt) 2021-05-04

Family

ID=49118825

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015004288-0A BR112015004288B1 (pt) 2012-08-31 2013-08-28 sistema para renderizar som com o uso de elementos de som refletidos

Country Status (10)

Country Link
US (3) US9794718B2 (pt)
EP (1) EP2891337B8 (pt)
JP (1) JP6167178B2 (pt)
KR (1) KR101676634B1 (pt)
CN (3) CN107509141B (pt)
BR (1) BR112015004288B1 (pt)
ES (1) ES2606678T3 (pt)
HK (1) HK1205846A1 (pt)
RU (1) RU2602346C2 (pt)
WO (1) WO2014036085A1 (pt)

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BR112015004288B1 (pt) 2021-05-04
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CN107509141A (zh) 2017-12-22
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US9794718B2 (en) 2017-10-17
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