CN107146627B - 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

Info

Publication number
CN107146627B
CN107146627B CN201710583291.5A CN201710583291A CN107146627B CN 107146627 B CN107146627 B CN 107146627B CN 201710583291 A CN201710583291 A CN 201710583291A CN 107146627 B CN107146627 B CN 107146627B
Authority
CN
China
Prior art keywords
hoa
frame
directional
signals
directional signals
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201710583291.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN107146627A (zh
Inventor
A.克勒格尔
S.科登
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International AB
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 International AB filed Critical Dolby International AB
Publication of CN107146627A publication Critical patent/CN107146627A/zh
Application granted granted Critical
Publication of CN107146627B publication Critical patent/CN107146627B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

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)
  • 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)
CN201710583291.5A 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 CN107146627B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13305558.2 2013-04-29
EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201480023877.0A Division 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

Publications (2)

Publication Number Publication Date
CN107146627A CN107146627A (zh) 2017-09-08
CN107146627B true CN107146627B (zh) 2020-10-30

Family

ID=48607176

Family Applications (5)

Application Number Title Priority Date Filing Date
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
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
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
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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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

Family Applications After (3)

Application Number Title Priority Date Filing Date
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
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

Country Status (10)

Country Link
US (10) US9736607B2 (enExample)
EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR102672762B1 (enExample)
CN (5) CN107146626B (enExample)
CA (8) CA3190346A1 (enExample)
MX (6) MX384230B (enExample)
MY (2) MY176454A (enExample)
RU (1) RU2668060C2 (enExample)
WO (1) WO2014177455A1 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9674587B2 (en) * 2012-06-26 2017-06-06 Sonos, Inc. Systems and methods for networked music playback including remote add to queue
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
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
KR102338374B1 (ko) * 2014-01-08 2021-12-13 돌비 인터네셔널 에이비 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
KR102766957B1 (ko) 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
KR102201726B1 (ko) 2014-03-21 2021-01-12 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
CN113808598B (zh) 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
EP3162087B1 (en) 2014-06-27 2021-03-17 Dolby International AB Coded hoa data frame representation that includes non-differential gain values associated with channel signals of specific ones of the data frames of an hoa data frame representation
CN117612540A (zh) 2014-06-27 2024-02-27 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
EP2960903A1 (en) 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
JP2017523452A (ja) 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置
EP2963949A1 (en) 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation
EP2963948A1 (en) 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
KR102460820B1 (ko) 2014-07-02 2022-10-31 돌비 인터네셔널 에이비 Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치
WO2016001357A1 (en) 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation
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
US10468037B2 (en) 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation 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
CN107925837B (zh) * 2015-08-31 2020-09-22 杜比国际公司 对压缩hoa信号逐帧组合解码和渲染的方法以及对压缩hoa信号逐帧组合解码和渲染的装置
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
JP6674021B2 (ja) 2016-03-15 2020-04-01 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 音場記述を生成する装置、方法、及びコンピュータプログラム
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
JP6811312B2 (ja) 2017-05-01 2021-01-13 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置及び符号化方法
US10405126B2 (en) * 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
EP3818730A4 (en) * 2018-07-03 2022-08-31 Nokia Technologies Oy Energy-ratio signalling and synthesis
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
CN114582357B (zh) 2020-11-30 2025-09-12 华为技术有限公司 一种音频编解码方法和装置
US11743670B2 (en) 2020-12-18 2023-08-29 Qualcomm Incorporated Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6628787B1 (en) * 1998-03-31 2003-09-30 Lake Technology Ltd Wavelet conversion of 3-D audio signals
CN1511312A (zh) * 2001-04-13 2004-07-07 多尔拜实验特许公司 音频信号的高质量时间标度和音调标度
CN1650348A (zh) * 2002-04-26 2005-08-03 松下电器产业株式会社 编码设备、解码设备、编码方法和解码方法
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置
CN102903366A (zh) * 2012-09-18 2013-01-30 重庆大学 一种基于g729语音压缩编码算法的dsp优化方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757927A (en) * 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3700254B2 (ja) * 1996-05-31 2005-09-28 日本ビクター株式会社 映像音声再生装置
US6931370B1 (en) * 1999-11-02 2005-08-16 Digital Theater Systems, Inc. System and method for providing interactive audio in a multi-channel audio environment
AUPR647501A0 (en) * 2001-07-19 2001-08-09 Vast Audio Pty Ltd Recording a three dimensional auditory scene and reproducing it for the individual listener
US7081883B2 (en) * 2002-05-14 2006-07-25 Michael Changcheng Chen Low-profile multi-channel input device
CN1677490A (zh) 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
CN101401152B (zh) * 2006-03-15 2012-04-18 法国电信公司 通过多通道音频信号的主分量分析进行编码的设备和方法
EP1841284A1 (en) * 2006-03-29 2007-10-03 Phonak AG Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
JP5520967B2 (ja) * 2009-02-16 2014-06-11 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート 適応的正弦波コーディングを用いるオーディオ信号の符号化及び復号化方法及び装置
PT2553947E (pt) * 2010-03-26 2014-06-24 Thomson Licensing Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP2765791A1 (en) 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6628787B1 (en) * 1998-03-31 2003-09-30 Lake Technology Ltd Wavelet conversion of 3-D audio signals
CN1511312A (zh) * 2001-04-13 2004-07-07 多尔拜实验特许公司 音频信号的高质量时间标度和音调标度
CN1650348A (zh) * 2002-04-26 2005-08-03 松下电器产业株式会社 编码设备、解码设备、编码方法和解码方法
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置
CN102903366A (zh) * 2012-09-18 2013-01-30 重庆大学 一种基于g729语音压缩编码算法的dsp优化方法

Also Published As

Publication number Publication date
CA3168921C (en) 2025-07-08
EP3926984A1 (en) 2021-12-22
CA3168906C (en) 2025-07-08
JP2023093681A (ja) 2023-07-04
JP6818838B2 (ja) 2021-01-20
CA2907595A1 (en) 2014-11-06
CN107293304A (zh) 2017-10-24
JP2021060614A (ja) 2021-04-15
RU2668060C2 (ru) 2018-09-25
US10999688B2 (en) 2021-05-04
EP2992689A1 (en) 2016-03-09
CA3168916A1 (en) 2014-11-06
EP3598779B1 (en) 2021-08-18
KR102232486B1 (ko) 2021-03-29
JP7511707B2 (ja) 2024-07-05
CA3110057A1 (en) 2014-11-06
KR20210034685A (ko) 2021-03-30
US20200304931A1 (en) 2020-09-24
JP6606241B2 (ja) 2019-11-13
MX347283B (es) 2017-04-21
EP3232687A1 (en) 2017-10-18
US20210337334A1 (en) 2021-10-28
MX2022012186A (es) 2022-10-27
KR20160002846A (ko) 2016-01-08
EP2992689B1 (en) 2017-05-10
MX384230B (es) 2025-03-14
JP2025157488A (ja) 2025-10-15
US20190297443A1 (en) 2019-09-26
CN105144752A (zh) 2015-12-09
US20160088415A1 (en) 2016-03-24
CA3110057C (en) 2023-04-04
KR20240096662A (ko) 2024-06-26
CA3168921A1 (en) 2014-11-06
US10264382B2 (en) 2019-04-16
RU2018133016A3 (enExample) 2022-02-16
US20170318406A1 (en) 2017-11-02
US11284210B2 (en) 2022-03-22
JP2020024445A (ja) 2020-02-13
US20220217489A1 (en) 2022-07-07
US9913063B2 (en) 2018-03-06
JP2019008309A (ja) 2019-01-17
MY176454A (en) 2020-08-10
CA3168916C (en) 2025-07-08
CA3168906A1 (en) 2014-11-06
KR102672762B1 (ko) 2024-06-07
MX2022012180A (es) 2022-10-27
EP4462430A2 (en) 2024-11-13
JP7270788B2 (ja) 2023-05-10
CA3168901C (en) 2025-07-08
CN107180639B (zh) 2021-01-05
CN107146627A (zh) 2017-09-08
KR20220124297A (ko) 2022-09-13
KR102882646B1 (ko) 2025-11-07
RU2018133016A (ru) 2018-10-02
KR20220039846A (ko) 2022-03-29
CN107146626B (zh) 2020-09-08
CN105144752B (zh) 2017-08-08
KR20250161668A (ko) 2025-11-17
JP6395811B2 (ja) 2018-09-26
JP7717911B2 (ja) 2025-08-04
CA3168901A1 (en) 2014-11-06
US9736607B2 (en) 2017-08-15
CN107293304B (zh) 2021-01-05
US20250380100A1 (en) 2025-12-11
EP4462430A3 (en) 2025-02-19
US20180146315A1 (en) 2018-05-24
JP7023342B2 (ja) 2022-02-21
CN107180639A (zh) 2017-09-19
US20220225044A1 (en) 2022-07-14
MX2020002786A (es) 2020-07-22
US11895477B2 (en) 2024-02-06
WO2014177455A1 (en) 2014-11-06
US10623878B2 (en) 2020-04-14
EP3232687B1 (en) 2019-08-14
JP2022058929A (ja) 2022-04-12
JP2024123190A (ja) 2024-09-10
EP2800401A1 (en) 2014-11-05
CA3190346A1 (en) 2014-11-06
KR102440104B1 (ko) 2022-09-05
CA3190353A1 (en) 2014-11-06
MY195690A (en) 2023-02-03
CN107146626A (zh) 2017-09-08
KR102377798B1 (ko) 2022-03-23
CA2907595C (en) 2021-04-13
JP2016520864A (ja) 2016-07-14
MX2022012179A (es) 2022-10-27
US12317055B2 (en) 2025-05-27
US11758344B2 (en) 2023-09-12
RU2015150988A (ru) 2017-06-07
EP3926984B1 (en) 2024-10-02
US20240259743A1 (en) 2024-08-01
EP3598779A1 (en) 2020-01-22
MX2015015016A (es) 2016-03-09

Similar Documents

Publication Publication Date Title
CN107146627B (zh) 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
US20170208412A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
RU2850051C2 (ru) Способ и устройство для сжатия и распаковки представления на основе амбиофонии высшего порядка
HK1238791A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation
HK1238405A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation
HK1238406A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation
HK1238788A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation
HK40112183A (en) Method and apparatus for decompressing a higher order ambisonics representation
HK1238406B (zh) 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
HK40056230A (en) Method and apparatus for decompressing a higher order ambisonics representation
HK40056230B (en) Method and apparatus for decompressing a higher order ambisonics representation
HK1238788B (zh) 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
HK1238791B (zh) 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
RU2776307C2 (ru) Способ и устройство для сжатия и распаковки представления на основе амбиофонии высшего порядка
HK1238405B (zh) 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

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1238405

Country of ref document: HK

GR01 Patent grant
GR01 Patent grant