BR112016028212B1 - Obtenção de informação de simetria para renderizadores de áudio ambissônicos de ordem superior - Google Patents

Obtenção de informação de simetria para renderizadores de áudio ambissônicos de ordem superior Download PDF

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Publication number
BR112016028212B1
BR112016028212B1 BR112016028212-4A BR112016028212A BR112016028212B1 BR 112016028212 B1 BR112016028212 B1 BR 112016028212B1 BR 112016028212 A BR112016028212 A BR 112016028212A BR 112016028212 B1 BR112016028212 B1 BR 112016028212B1
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BR
Brazil
Prior art keywords
audio
matrix
information
bitstream
rendering
Prior art date
Application number
BR112016028212-4A
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English (en)
Portuguese (pt)
Other versions
BR112016028212A2 (pt
Inventor
Nils Günther Peters
Dipanjan Sen
Martin James Morrell
Original Assignee
Qualcomm Incorporated
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 US14/724,615 external-priority patent/US9883310B2/en
Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112016028212A2 publication Critical patent/BR112016028212A2/pt
Publication of BR112016028212B1 publication Critical patent/BR112016028212B1/pt

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    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • 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 
    • 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 
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
BR112016028212-4A 2014-05-30 2015-05-29 Obtenção de informação de simetria para renderizadores de áudio ambissônicos de ordem superior BR112016028212B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462005829P 2014-05-30 2014-05-30
US62/005,829 2014-05-30
US201462023662P 2014-07-11 2014-07-11
US62/023,662 2014-07-11
US14/724,615 2015-05-28
US14/724,615 US9883310B2 (en) 2013-02-08 2015-05-28 Obtaining symmetry information for higher order ambisonic audio renderers
PCT/US2015/033273 WO2015184316A1 (en) 2014-05-30 2015-05-29 Obtaining symmetry information for higher order ambisonic audio renderers

Publications (2)

Publication Number Publication Date
BR112016028212A2 BR112016028212A2 (pt) 2017-08-22
BR112016028212B1 true BR112016028212B1 (pt) 2022-08-23

Family

ID=53366342

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016028212-4A BR112016028212B1 (pt) 2014-05-30 2015-05-29 Obtenção de informação de simetria para renderizadores de áudio ambissônicos de ordem superior

Country Status (9)

Country Link
EP (1) EP3149972B1 (enrdf_load_stackoverflow)
JP (1) JP6423009B2 (enrdf_load_stackoverflow)
KR (1) KR101941764B1 (enrdf_load_stackoverflow)
CN (1) CN106465029B (enrdf_load_stackoverflow)
BR (1) BR112016028212B1 (enrdf_load_stackoverflow)
CA (1) CA2950014C (enrdf_load_stackoverflow)
ES (1) ES2696930T3 (enrdf_load_stackoverflow)
HU (1) HUE039048T2 (enrdf_load_stackoverflow)
WO (1) WO2015184316A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10015618B1 (en) * 2017-08-01 2018-07-03 Google Llc Incoherent idempotent ambisonics rendering
MY206266A (en) 2018-07-02 2024-12-06 Dolby Laboratories Licensing Corp Methods and devices for encoding and/or decoding immersive audio signals
CN110099351B (zh) * 2019-04-01 2020-11-03 中车青岛四方机车车辆股份有限公司 一种声场回放方法、装置和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2486561B1 (en) * 2009-10-07 2016-03-30 The University Of Sydney Reconstruction of a recorded sound field
CN106658343B (zh) * 2012-07-16 2018-10-19 杜比国际公司 用于渲染音频声场表示以供音频回放的方法和设备
US9716959B2 (en) 2013-05-29 2017-07-25 Qualcomm Incorporated Compensating for error in decomposed representations of sound fields

Also Published As

Publication number Publication date
CN106465029A (zh) 2017-02-22
CA2950014A1 (en) 2015-12-03
HUE039048T2 (hu) 2018-12-28
KR20170015898A (ko) 2017-02-10
EP3149972A1 (en) 2017-04-05
KR101941764B1 (ko) 2019-01-23
CA2950014C (en) 2019-12-03
EP3149972B1 (en) 2018-08-15
ES2696930T3 (es) 2019-01-18
CN106465029B (zh) 2018-05-08
WO2015184316A1 (en) 2015-12-03
JP6423009B2 (ja) 2018-11-14
JP2017520174A (ja) 2017-07-20
BR112016028212A2 (pt) 2017-08-22

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Legal Events

Date Code Title Description
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]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/05/2015, OBSERVADAS AS CONDICOES LEGAIS