CA3168326A1 - Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field - Google Patents

Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Download PDF

Info

Publication number
CA3168326A1
CA3168326A1 CA3168326A CA3168326A CA3168326A1 CA 3168326 A1 CA3168326 A1 CA 3168326A1 CA 3168326 A CA3168326 A CA 3168326A CA 3168326 A CA3168326 A CA 3168326A CA 3168326 A1 CA3168326 A1 CA 3168326A1
Authority
CA
Canada
Prior art keywords
hoa
signals
residual
order
dominant
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.)
Pending
Application number
CA3168326A
Other languages
English (en)
French (fr)
Inventor
Alexander Krueger
Sven Kordon
Johannes Boehm
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 CA3168326A1 publication Critical patent/CA3168326A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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

Landscapes

  • 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)
  • Percussion Or Vibration Massage (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3168326A 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Pending CA3168326A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12306569.0A EP2743922A1 (en) 2012-12-12 2012-12-12 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP12306569.0 2012-12-12
CA3125246A CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3125246A Division CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Publications (1)

Publication Number Publication Date
CA3168326A1 true CA3168326A1 (en) 2014-06-19

Family

ID=47715805

Family Applications (6)

Application Number Title Priority Date Filing Date
CA3168326A Pending CA3168326A1 (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3168322A Active CA3168322C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA2891636A Active CA2891636C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125248A Active CA3125248C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125246A Active CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125228A Active CA3125228C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Family Applications After (5)

Application Number Title Priority Date Filing Date
CA3168322A Active CA3168322C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA2891636A Active CA2891636C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125248A Active CA3125248C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125246A Active CA3125246C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
CA3125228A Active CA3125228C (en) 2012-12-12 2013-12-04 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Country Status (11)

Country Link
US (8) US9646618B2 (enExample)
EP (5) EP2743922A1 (enExample)
JP (7) JP6285458B2 (enExample)
KR (5) KR102202973B1 (enExample)
CN (9) CN104854655B (enExample)
CA (6) CA3168326A1 (enExample)
MX (7) MX395017B (enExample)
MY (2) MY169354A (enExample)
RU (2) RU2623886C2 (enExample)
TW (7) TWI729581B (enExample)
WO (1) WO2014090660A1 (enExample)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9685163B2 (en) 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
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
CN111028849B (zh) * 2014-01-08 2024-03-01 杜比国际公司 包括编码hoa表示的位流的解码方法和装置、以及介质
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
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
CN117198304A (zh) 2014-03-21 2023-12-08 杜比国际公司 用于对压缩的hoa信号进行解码的方法、装置和存储介质
KR101884419B1 (ko) 2014-03-21 2018-08-02 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
US10770087B2 (en) * 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
CN112216291B (zh) * 2014-06-27 2025-01-17 杜比国际公司 声音或声场的压缩hoa声音表示的解码方法和装置
JP6641304B2 (ja) 2014-06-27 2020-02-05 ドルビー・インターナショナル・アーベー 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
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
KR102655047B1 (ko) 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
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
WO2016001355A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
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
KR102433192B1 (ko) * 2014-07-02 2022-08-18 돌비 인터네셔널 에이비 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치
US9847088B2 (en) * 2014-08-29 2017-12-19 Qualcomm Incorporated Intermediate compression for 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
US10140996B2 (en) 2014-10-10 2018-11-27 Qualcomm Incorporated Signaling layers for scalable coding of higher order ambisonic audio data
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
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
US10249312B2 (en) * 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US9961475B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
US9961467B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
SG11201803909TA (en) 2015-11-17 2018-06-28 Dolby Laboratories Licensing Corp Headtracking for parametric binaural output system and method
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
JP6710768B2 (ja) * 2016-01-27 2020-06-17 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 音場データを処理するための装置および方法
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
CN107945810B (zh) * 2016-10-13 2021-12-14 杭州米谟科技有限公司 用于编码和解码hoa或多声道数据的方法和装置
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
US10777209B1 (en) * 2017-05-01 2020-09-15 Panasonic Intellectual Property Corporation Of America Coding apparatus and coding method
US10657974B2 (en) * 2017-12-21 2020-05-19 Qualcomm Incorporated Priority information for higher order ambisonic audio data
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
JP2019213109A (ja) * 2018-06-07 2019-12-12 日本電信電話株式会社 音場信号推定装置、音場信号推定方法、プログラム
CN111193990B (zh) * 2020-01-06 2021-01-19 北京大学 一种抗高频空间混叠的3d音频系统及实现方法
GB2598932A (en) * 2020-09-18 2022-03-23 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
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
WO2023147864A1 (en) * 2022-02-03 2023-08-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method to transform an audio stream
CN114928788B (zh) * 2022-04-10 2025-02-21 西北工业大学 一种基于稀疏平面波分解的声场重放空间解码方法
TWI865895B (zh) * 2022-07-19 2024-12-11 盛微先進科技股份有限公司 用於無線通訊之音頻壓縮系統及音頻壓縮方法

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0575675B1 (en) * 1992-06-26 1998-11-25 Discovision Associates Method and apparatus for transformation of signals from a frequency to a time domaine
AU1048601A (en) 1999-11-12 2001-06-06 Mass Engineered Design Horizontal three screen lcd display system
FR2801108B1 (fr) 1999-11-16 2002-03-01 Maxmat S A Analyseur chimique ou biochimique a regulation de la temperature reactionnelle
US6678647B1 (en) 2000-06-02 2004-01-13 Agere Systems Inc. Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution
US6934676B2 (en) 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
US8009966B2 (en) * 2002-11-01 2011-08-30 Synchro Arts Limited Methods and apparatus for use in sound replacement with automatic synchronization to images
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US8139685B2 (en) * 2005-05-10 2012-03-20 Qualcomm Incorporated Systems, methods, and apparatus for frequency control
JP4616074B2 (ja) * 2005-05-16 2011-01-19 株式会社エヌ・ティ・ティ・ドコモ アクセスルータ、サービス制御システム、サービス制御方法
TW200715145A (en) * 2005-10-12 2007-04-16 Lin Hui File compression method of digital sound signals
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US8165124B2 (en) * 2006-10-13 2012-04-24 Qualcomm Incorporated Message compression methods and apparatus
JP5554065B2 (ja) * 2007-02-06 2014-07-23 コーニンクレッカ フィリップス エヌ ヴェ 複雑さの軽減されたパラメトリックステレオデコーダ
BRPI0807703B1 (pt) 2007-02-26 2020-09-24 Dolby Laboratories Licensing Corporation Método para aperfeiçoar a fala em áudio de entretenimento e meio de armazenamento não-transitório legível por computador
FR2916078A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
GB2453117B (en) * 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
GB2467668B (en) * 2007-10-03 2011-12-07 Creative Tech Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
WO2009067741A1 (en) * 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage
US8708089B2 (en) 2008-07-15 2014-04-29 Jtekt Corporation Vehicle steering apparatus
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
JP5214058B2 (ja) * 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
US20100296579A1 (en) * 2009-05-22 2010-11-25 Qualcomm Incorporated Adaptive picture type decision for video coding
US8705750B2 (en) * 2009-06-25 2014-04-22 Berges Allmenndigitale Rådgivningstjeneste Device and method for converting spatial audio signal
EP2268064A1 (en) * 2009-06-25 2010-12-29 Berges Allmenndigitale Rädgivningstjeneste Device and method for converting spatial audio signal
AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
KR101717787B1 (ko) * 2010-04-29 2017-03-17 엘지전자 주식회사 디스플레이장치 및 그의 음성신호 출력 방법
CN101977349A (zh) * 2010-09-29 2011-02-16 华南理工大学 Ambisonic声重发系统解码的优化改进方法
US8855341B2 (en) * 2010-10-25 2014-10-07 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals
EP2451196A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
TWI590234B (zh) * 2012-07-19 2017-07-01 杜比國際公司 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置
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
EP2800401A1 (en) * 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
US9502044B2 (en) * 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field

Also Published As

Publication number Publication date
MX2022008694A (es) 2022-08-08
TW201926319A (zh) 2019-07-01
TWI788833B (zh) 2023-01-01
JP7353427B2 (ja) 2023-09-29
EP3996090A1 (en) 2022-05-11
JP2023169304A (ja) 2023-11-29
RU2017118830A (ru) 2018-10-31
CN117392989A (zh) 2024-01-12
MY191376A (en) 2022-06-21
US12425791B2 (en) 2025-09-23
US11546712B2 (en) 2023-01-03
JP7661431B2 (ja) 2025-04-14
KR20220113839A (ko) 2022-08-16
JP6640890B2 (ja) 2020-02-05
MX2023008863A (es) 2023-08-15
KR20240068780A (ko) 2024-05-17
EP3496096A1 (en) 2019-06-12
TW202209302A (zh) 2022-03-01
CA2891636A1 (en) 2014-06-19
TWI868526B (zh) 2025-01-01
JP2020074008A (ja) 2020-05-14
JP2015537256A (ja) 2015-12-24
TW202013354A (zh) 2020-04-01
CA3125246A1 (en) 2014-06-19
CN109448742A (zh) 2019-03-08
KR20210007036A (ko) 2021-01-19
CA3125248C (en) 2023-03-07
JP2025108471A (ja) 2025-07-23
TWI611397B (zh) 2018-01-11
KR20150095660A (ko) 2015-08-21
EP2743922A1 (en) 2014-06-18
US20150332679A1 (en) 2015-11-19
RU2015128090A (ru) 2017-01-17
TW201807703A (zh) 2018-03-01
JP6285458B2 (ja) 2018-02-28
MX2022008697A (es) 2022-08-08
US20180310112A1 (en) 2018-10-25
JP7100172B2 (ja) 2022-07-12
MX344988B (es) 2017-01-13
HK1216356A1 (en) 2016-11-04
CA3125248A1 (en) 2014-06-19
EP4553829A1 (en) 2025-05-14
US20230179940A1 (en) 2023-06-08
US20260082172A1 (en) 2026-03-19
KR102428842B1 (ko) 2022-08-04
RU2744489C2 (ru) 2021-03-10
TW202538731A (zh) 2025-10-01
RU2017118830A3 (enExample) 2020-09-07
CN109448743A (zh) 2019-03-08
US10257635B2 (en) 2019-04-09
CA3125246C (en) 2023-09-12
EP3996090B1 (en) 2025-01-29
US20200296531A1 (en) 2020-09-17
EP2932502B1 (en) 2018-09-26
JP2022130638A (ja) 2022-09-06
US10038965B2 (en) 2018-07-31
JP2018087996A (ja) 2018-06-07
JP6869322B2 (ja) 2021-05-12
KR102202973B1 (ko) 2021-01-14
CA2891636C (en) 2021-09-21
CN104854655B (zh) 2019-02-19
TW201435858A (zh) 2014-09-16
EP2932502A1 (en) 2015-10-21
MX2022008695A (es) 2022-08-08
CN109448743B (zh) 2020-03-10
TW202338788A (zh) 2023-10-01
CN109616130A (zh) 2019-04-12
US20220159399A1 (en) 2022-05-19
WO2014090660A1 (en) 2014-06-19
CN104854655A (zh) 2015-08-19
RU2623886C2 (ru) 2017-06-29
US20170208412A1 (en) 2017-07-20
CA3125228A1 (en) 2014-06-19
KR102664626B1 (ko) 2024-05-10
MX2022008693A (es) 2022-08-08
TWI681386B (zh) 2020-01-01
US11184730B2 (en) 2021-11-23
MX395017B (es) 2025-03-24
CN117037813A (zh) 2023-11-10
CN109410965B (zh) 2023-10-31
JP2021107938A (ja) 2021-07-29
KR20230098355A (ko) 2023-07-03
US9646618B2 (en) 2017-05-09
TWI645397B (zh) 2018-12-21
TWI729581B (zh) 2021-06-01
CA3125228C (en) 2023-10-17
CN109545235A (zh) 2019-03-29
CA3168322A1 (en) 2014-06-19
CN109410965A (zh) 2019-03-01
CN109616130B (zh) 2023-10-31
CN117037812A (zh) 2023-11-10
MY169354A (en) 2019-03-26
KR102546541B1 (ko) 2023-06-23
CA3168322C (en) 2024-01-30
CN109448742B (zh) 2023-09-01
EP3496096B1 (en) 2021-12-22
CN109545235B (zh) 2023-11-17
US20190239020A1 (en) 2019-08-01
MX2015007349A (es) 2015-09-10
US10609501B2 (en) 2020-03-31

Similar Documents

Publication Publication Date Title
CA3168322A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
RU2847553C1 (ru) Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля
RU2823441C9 (ru) Способ и устройство для сжатия и восстановления представления системы амбисоник высшего порядка для звукового поля
HK40063447A (en) Method and apparatus for decompressing a higher order ambi-sonics representation for a sound field
HK40063447B (en) Method and apparatus for decompressing a higher order ambi-sonics representation for a sound field
HK1216356B (en) Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220715

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION

Effective date: 20240827

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20241029

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D120 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: VOLUNTARY SUBMISSION OF PRIOR ART RECEIVED

Effective date: 20241119

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 11TH ANNIV.) - STANDARD

Year of fee payment: 11

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD

Year of fee payment: 11

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241129

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20250110

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250110

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250130

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D123 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRIOR ART DISCLOSURE DETERMINED COMPLIANT

Effective date: 20250324

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250324

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250426

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250426

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D120 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: VOLUNTARY SUBMISSION OF PRIOR ART RECEIVED

Effective date: 20250718

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250718

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D123 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRIOR ART DISCLOSURE DETERMINED COMPLIANT

Effective date: 20250721

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250721

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 12TH ANNIV.) - STANDARD

Year of fee payment: 12

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251119

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251119