CN107146626B - 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 - Google Patents

对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 Download PDF

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CN107146626B
CN107146626B CN201710583285.XA CN201710583285A CN107146626B CN 107146626 B CN107146626 B CN 107146626B CN 201710583285 A CN201710583285 A CN 201710583285A CN 107146626 B CN107146626 B CN 107146626B
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hoa
coefficient sequences
frame
hoa coefficient
directional
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CN107146626A (zh
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A.克勒格尔
S.科登
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Dolby International AB
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    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13—Application of wave-field synthesis 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201710583285.XA 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 Active CN107146626B (zh)

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Application Number Priority Date Filing Date Title
EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
EP13305558.2 2013-04-29
CN201480023877.0A CN105144752B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置

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CN201710583291.5A Active CN107146627B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201480023877.0A Active CN105144752B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583292.XA Active CN107180639B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583301.5A Active CN107293304B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583285.XA Active CN107146626B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置

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CN201480023877.0A Active CN105144752B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583292.XA Active CN107180639B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583301.5A Active CN107293304B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置

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US (10) US9736607B2 (enExample)
EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR102377798B1 (enExample)
CN (5) CN107146627B (enExample)
CA (8) CA3190346A1 (enExample)
MX (6) MX347283B (enExample)
MY (2) MY176454A (enExample)
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CN106463131B (zh) 2014-07-02 2020-12-08 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
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US9536531B2 (en) 2014-08-01 2017-01-03 Qualcomm Incorporated Editing of higher-order ambisonic audio data
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
EP3007167A1 (en) 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
WO2017017262A1 (en) 2015-07-30 2017-02-02 Dolby International Ab Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
US10257632B2 (en) 2015-08-31 2019-04-09 Dolby Laboratories Licensing Corporation Method for frame-wise combined decoding and rendering of a compressed HOA signal and apparatus for frame-wise combined decoding and rendering of a compressed HOA signal
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN112218211B (zh) 2016-03-15 2022-06-07 弗劳恩霍夫应用研究促进协会 用于生成声场描述的装置、方法或计算机程序
US10332530B2 (en) 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
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US10405126B2 (en) * 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
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CN110113119A (zh) * 2019-04-26 2019-08-09 国家无线电监测中心 一种基于人工智能算法的无线信道建模方法
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US20210337334A1 (en) 2021-10-28
MX2022012180A (es) 2022-10-27
KR102377798B1 (ko) 2022-03-23
CN107146627B (zh) 2020-10-30
KR20250161668A (ko) 2025-11-17
CN105144752B (zh) 2017-08-08
KR20220039846A (ko) 2022-03-29
CA3168916A1 (en) 2014-11-06
KR102232486B1 (ko) 2021-03-29
CA3168901A1 (en) 2014-11-06
RU2015150988A (ru) 2017-06-07
US20220225044A1 (en) 2022-07-14
CN107293304B (zh) 2021-01-05
EP3232687A1 (en) 2017-10-18
RU2668060C2 (ru) 2018-09-25
JP2016520864A (ja) 2016-07-14
JP6818838B2 (ja) 2021-01-20
JP7270788B2 (ja) 2023-05-10
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US20190297443A1 (en) 2019-09-26
US20170318406A1 (en) 2017-11-02
KR20210034685A (ko) 2021-03-30
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US11895477B2 (en) 2024-02-06
EP2800401A1 (en) 2014-11-05
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EP2992689A1 (en) 2016-03-09
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CN107180639A (zh) 2017-09-19
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JP6606241B2 (ja) 2019-11-13
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US20250380100A1 (en) 2025-12-11
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JP2025157488A (ja) 2025-10-15
CN107293304A (zh) 2017-10-24
JP7717911B2 (ja) 2025-08-04
KR20220124297A (ko) 2022-09-13
EP3598779A1 (en) 2020-01-22
KR102882646B1 (ko) 2025-11-07
US20180146315A1 (en) 2018-05-24
US20160088415A1 (en) 2016-03-24
EP3926984A1 (en) 2021-12-22
EP3926984B1 (en) 2024-10-02
JP2020024445A (ja) 2020-02-13
KR102440104B1 (ko) 2022-09-05
JP2021060614A (ja) 2021-04-15
JP7511707B2 (ja) 2024-07-05
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