HK1157986A1 - Apparatus for merging spatial audio streams - Google Patents

Apparatus for merging spatial audio streams

Info

Publication number
HK1157986A1
HK1157986A1 HK11111998.6A HK11111998A HK1157986A1 HK 1157986 A1 HK1157986 A1 HK 1157986A1 HK 11111998 A HK11111998 A HK 11111998A HK 1157986 A1 HK1157986 A1 HK 1157986A1
Authority
HK
Hong Kong
Prior art keywords
representation
wave
merged
spatial audio
audio stream
Prior art date
Application number
HK11111998.6A
Other languages
English (en)
Inventor
Galdo Giovanni Del
Fabian Kuech
Markus Kallinger
Ville Pulkki
Mikko-Ville Laitinen
Richard Schultz-Amling
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1157986A1 publication Critical patent/HK1157986A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • 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 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
HK11111998.6A 2008-08-13 2011-11-07 Apparatus for merging spatial audio streams HK1157986A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8852008P 2008-08-13 2008-08-13
EP09001397A EP2154910A1 (en) 2008-08-13 2009-02-02 Apparatus for merging spatial audio streams
PCT/EP2009/005827 WO2010017966A1 (en) 2008-08-13 2009-08-11 Apparatus for merging spatial audio streams

Publications (1)

Publication Number Publication Date
HK1157986A1 true HK1157986A1 (en) 2012-07-06

Family

ID=40605771

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11111998.6A HK1157986A1 (en) 2008-08-13 2011-11-07 Apparatus for merging spatial audio streams

Country Status (15)

Country Link
US (1) US8712059B2 (es)
EP (2) EP2154910A1 (es)
JP (1) JP5490118B2 (es)
KR (1) KR101235543B1 (es)
CN (1) CN102138342B (es)
AT (1) ATE546964T1 (es)
AU (1) AU2009281355B2 (es)
BR (1) BRPI0912453B1 (es)
CA (1) CA2734096C (es)
ES (1) ES2382986T3 (es)
HK (1) HK1157986A1 (es)
MX (1) MX2011001653A (es)
PL (1) PL2324645T3 (es)
RU (1) RU2504918C2 (es)
WO (1) WO2010017966A1 (es)

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ES2656815T3 (es) 2010-03-29 2018-02-28 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung Procesador de audio espacial y procedimiento para proporcionar parámetros espaciales en base a una señal de entrada acústica
US9055371B2 (en) 2010-11-19 2015-06-09 Nokia Technologies Oy Controllable playback system offering hierarchical playback options
US9456289B2 (en) 2010-11-19 2016-09-27 Nokia Technologies Oy Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
US9313599B2 (en) 2010-11-19 2016-04-12 Nokia Technologies Oy Apparatus and method for multi-channel signal playback
CN103460285B (zh) 2010-12-03 2018-01-12 弗劳恩霍夫应用研究促进协会 用于以几何为基础的空间音频编码的装置及方法
EP2600343A1 (en) 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for merging geometry - based spatial audio coding streams
US10148903B2 (en) 2012-04-05 2018-12-04 Nokia Technologies Oy Flexible spatial audio capture apparatus
BR122021021503B1 (pt) 2012-09-12 2023-04-11 Fraunhofer - Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
EP2733965A1 (en) * 2012-11-15 2014-05-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a plurality of parametric audio streams and apparatus and method for generating a plurality of loudspeaker signals
US10635383B2 (en) 2013-04-04 2020-04-28 Nokia Technologies Oy Visual audio processing apparatus
US9706324B2 (en) 2013-05-17 2017-07-11 Nokia Technologies Oy Spatial object oriented audio apparatus
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
US9693009B2 (en) 2014-09-12 2017-06-27 International Business Machines Corporation Sound source selection for aural interest
CN106716525B (zh) * 2014-09-25 2020-10-23 杜比实验室特许公司 下混音频信号中的声音对象插入
PL3338462T3 (pl) 2016-03-15 2020-03-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie, sposób lub program komputerowy do generowania opisu pola dźwięku
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata
EP3520437A1 (en) 2016-09-29 2019-08-07 Dolby Laboratories Licensing Corporation Method, systems and apparatus for determining audio representation(s) of one or more audio sources
CN117395593A (zh) 2017-10-04 2024-01-12 弗劳恩霍夫应用研究促进协会 用于编码、解码、场景处理和与基于DirAC的空间音频编码有关的其它过程的装置、方法和计算机程序
CN111656441B (zh) * 2017-11-17 2023-10-03 弗劳恩霍夫应用研究促进协会 编码或解码定向音频编码参数的装置和方法
GB2574238A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Spatial audio parameter merging
SG11202007629UA (en) * 2018-07-02 2020-09-29 Dolby Laboratories Licensing Corp Methods and devices for encoding and/or decoding immersive audio signals
CN110517703B (zh) 2019-08-15 2021-12-07 北京小米移动软件有限公司 一种声音采集方法、装置及介质
GB2587196A (en) 2019-09-13 2021-03-24 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
GB2590651A (en) * 2019-12-23 2021-07-07 Nokia Technologies Oy Combining of spatial audio parameters

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Also Published As

Publication number Publication date
CA2734096A1 (en) 2010-02-18
US8712059B2 (en) 2014-04-29
US20110216908A1 (en) 2011-09-08
KR101235543B1 (ko) 2013-02-21
RU2011106582A (ru) 2012-08-27
CN102138342B (zh) 2014-03-12
CA2734096C (en) 2015-12-01
RU2504918C2 (ru) 2014-01-20
EP2154910A1 (en) 2010-02-17
BRPI0912453A2 (pt) 2019-11-19
KR20110055622A (ko) 2011-05-25
AU2009281355B2 (en) 2014-01-16
EP2324645A1 (en) 2011-05-25
BRPI0912453B1 (pt) 2020-12-01
EP2324645B1 (en) 2012-02-22
JP5490118B2 (ja) 2014-05-14
AU2009281355A1 (en) 2010-02-18
ES2382986T3 (es) 2012-06-15
ATE546964T1 (de) 2012-03-15
WO2010017966A1 (en) 2010-02-18
PL2324645T3 (pl) 2012-07-31
MX2011001653A (es) 2011-03-02
JP2011530720A (ja) 2011-12-22
CN102138342A (zh) 2011-07-27

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