BR112016030558B1 - Redução de correlação entre canais de plano de fundo ambissônico de ordem mais alta (hoa) - Google Patents

Redução de correlação entre canais de plano de fundo ambissônico de ordem mais alta (hoa) Download PDF

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Publication number
BR112016030558B1
BR112016030558B1 BR112016030558-2A BR112016030558A BR112016030558B1 BR 112016030558 B1 BR112016030558 B1 BR 112016030558B1 BR 112016030558 A BR112016030558 A BR 112016030558A BR 112016030558 B1 BR112016030558 B1 BR 112016030558B1
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BR
Brazil
Prior art keywords
coefficients
ambisonic coefficients
unit
audio
hoa
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BR112016030558-2A
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English (en)
Portuguese (pt)
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BR112016030558A2 (enExample
Inventor
Nils Günther Peters
Dipanjan Sen
Martin James Morrell
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Qualcomm Incorporated
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Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of BR112016030558A2 publication Critical patent/BR112016030558A2/pt
Publication of BR112016030558B1 publication Critical patent/BR112016030558B1/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
    • 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
    • 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 
    • 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)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR112016030558-2A 2014-07-02 2015-07-02 Redução de correlação entre canais de plano de fundo ambissônico de ordem mais alta (hoa) BR112016030558B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462020348P 2014-07-02 2014-07-02
US62/020,348 2014-07-02
US201462060512P 2014-10-06 2014-10-06
US62/060,512 2014-10-06
US14/789,961 2015-07-01
US14/789,961 US9838819B2 (en) 2014-07-02 2015-07-01 Reducing correlation between higher order ambisonic (HOA) background channels
PCT/US2015/038943 WO2016004277A1 (en) 2014-07-02 2015-07-02 Reducing correlation between higher order ambisonic (hoa) background channels

Publications (2)

Publication Number Publication Date
BR112016030558A2 BR112016030558A2 (enExample) 2017-08-22
BR112016030558B1 true BR112016030558B1 (pt) 2023-05-02

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Application Number Title Priority Date Filing Date
BR112016030558-2A BR112016030558B1 (pt) 2014-07-02 2015-07-02 Redução de correlação entre canais de plano de fundo ambissônico de ordem mais alta (hoa)

Country Status (20)

Country Link
US (1) US9838819B2 (enExample)
EP (1) EP3165001B1 (enExample)
JP (1) JP6449455B2 (enExample)
KR (1) KR101962000B1 (enExample)
CN (1) CN106663433B (enExample)
AU (1) AU2015284004B2 (enExample)
BR (1) BR112016030558B1 (enExample)
CA (1) CA2952333C (enExample)
CL (1) CL2016003315A1 (enExample)
ES (1) ES2729624T3 (enExample)
HU (1) HUE043457T2 (enExample)
IL (1) IL249257A0 (enExample)
MX (1) MX357008B (enExample)
MY (1) MY183858A (enExample)
NZ (1) NZ726830A (enExample)
PH (1) PH12016502356B1 (enExample)
RU (1) RU2741763C2 (enExample)
SA (1) SA516380612B1 (enExample)
SG (1) SG11201609676VA (enExample)
WO (1) WO2016004277A1 (enExample)

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US12236959B2 (en) * 2021-05-27 2025-02-25 Qualcomm Incorporated Audio encoding based on link data
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置

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Also Published As

Publication number Publication date
ES2729624T3 (es) 2019-11-05
CA2952333C (en) 2020-10-27
SG11201609676VA (en) 2017-01-27
MY183858A (en) 2021-03-17
IL249257A0 (en) 2017-02-28
RU2741763C2 (ru) 2021-01-28
PH12016502356B1 (en) 2024-06-05
KR20170024584A (ko) 2017-03-07
AU2015284004A1 (en) 2016-12-15
PH12016502356A1 (en) 2017-02-13
CL2016003315A1 (es) 2017-07-07
US9838819B2 (en) 2017-12-05
MX357008B (es) 2018-06-22
KR101962000B1 (ko) 2019-03-25
BR112016030558A2 (enExample) 2017-08-22
EP3165001A1 (en) 2017-05-10
WO2016004277A1 (en) 2016-01-07
SA516380612B1 (ar) 2020-09-06
JP6449455B2 (ja) 2019-01-09
RU2016151352A (ru) 2018-08-02
NZ726830A (en) 2019-09-27
EP3165001B1 (en) 2019-03-06
CA2952333A1 (en) 2016-01-07
US20160007132A1 (en) 2016-01-07
AU2015284004B2 (en) 2020-01-02
JP2017525318A (ja) 2017-08-31
CN106663433A (zh) 2017-05-10
RU2016151352A3 (enExample) 2020-08-13
CN106663433B (zh) 2020-12-29
MX2016016566A (es) 2017-04-25
HUE043457T2 (hu) 2019-08-28

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