KR102816984B1 - Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 - Google Patents

Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 Download PDF

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KR102816984B1
KR102816984B1 KR1020247010754A KR20247010754A KR102816984B1 KR 102816984 B1 KR102816984 B1 KR 102816984B1 KR 1020247010754 A KR1020247010754 A KR 1020247010754A KR 20247010754 A KR20247010754 A KR 20247010754A KR 102816984 B1 KR102816984 B1 KR 102816984B1
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hoa
representation
sound
signals
mathematical expression
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KR20240050436A (ko
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알렉산더 크뢰거
스벤 고돈
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돌비 인터네셔널 에이비
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    • 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
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
KR1020247010754A 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 Active KR102816984B1 (ko)

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KR1020257018085A KR20250085845A (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP14306024.2 2014-06-27
EP14306024 2014-06-27
PCT/EP2015/063914 WO2015197514A1 (en) 2014-06-27 2015-06-22 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
KR1020227035215A KR102654275B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치

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KR1020227010252A Active KR102454747B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
KR1020257018085A Pending KR20250085845A (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
KR1020167036547A Active KR102381202B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
KR1020227035215A Active KR102654275B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치

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KR1020257018085A Pending KR20250085845A (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
KR1020167036547A Active KR102381202B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
KR1020227035215A Active KR102654275B1 (ko) 2014-06-27 2015-06-22 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치

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US (4) US9792924B2 (enExample)
EP (3) EP4354432A3 (enExample)
JP (5) JP6641304B2 (enExample)
KR (5) KR102816984B1 (enExample)
CN (7) CN117612540A (enExample)
ES (1) ES2974440T3 (enExample)
TW (3) TWI679633B (enExample)
WO (1) WO2015197514A1 (enExample)

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WO2020115309A1 (en) * 2018-12-07 2020-06-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to dirac based spatial audio coding using diffuse compensation
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WO2022082665A1 (en) * 2020-10-22 2022-04-28 Nokia Shanghai Bell Co., Ltd. Method, apparatus, and computer program
CN113314129B (zh) * 2021-04-30 2022-08-05 北京大学 一种适应环境的声场重放空间解码方法
CN113345448B (zh) * 2021-05-12 2022-08-05 北京大学 一种基于独立成分分析的hoa信号压缩方法
CN115376528A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115376530A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统

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US9792924B2 (en) 2017-10-17
KR102381202B1 (ko) 2022-04-01
KR20240050436A (ko) 2024-04-18
CN110415712B (zh) 2023-12-12
EP3162086A1 (en) 2017-05-03
US20180308500A1 (en) 2018-10-25
EP3860154B1 (en) 2024-02-21
CN117636885A (zh) 2024-03-01
CN110662158B (zh) 2021-05-25
EP3860154A1 (en) 2021-08-04
JP7512470B2 (ja) 2024-07-08
CN106471822A (zh) 2017-03-01
CN110662158A (zh) 2020-01-07
KR20170023867A (ko) 2017-03-06
CN110556120A (zh) 2019-12-10
WO2015197514A1 (en) 2015-12-30
US10580426B2 (en) 2020-03-03
JP6874115B2 (ja) 2021-05-19
CN110459229B (zh) 2023-01-10
CN110415712A (zh) 2019-11-05
US20180005641A1 (en) 2018-01-04
JP7267340B2 (ja) 2023-05-01
JP7751696B2 (ja) 2025-10-08
KR20220044865A (ko) 2022-04-11
CN110556120B (zh) 2023-02-28
EP4354432A3 (en) 2024-06-26
TWI728563B (zh) 2021-05-21
KR102654275B1 (ko) 2024-04-04
TW202211207A (zh) 2022-03-16
TW202013355A (zh) 2020-04-01
KR20250085845A (ko) 2025-06-12
CN117612540A (zh) 2024-02-27
TW202418268A (zh) 2024-05-01
TWI679633B (zh) 2019-12-11
ES2974440T3 (es) 2024-06-27
JP2023083435A (ja) 2023-06-15
US20170154633A1 (en) 2017-06-01
US10037764B2 (en) 2018-07-31
JP2017523458A (ja) 2017-08-17
US10262670B2 (en) 2019-04-16
JP2021105743A (ja) 2021-07-26
JP2024138300A (ja) 2024-10-08
KR102454747B1 (ko) 2022-10-17
TWI809394B (zh) 2023-07-21
EP4354432A2 (en) 2024-04-17
EP3162086B1 (en) 2021-04-07
US20190295562A1 (en) 2019-09-26
KR20220141920A (ko) 2022-10-20
JP2020060789A (ja) 2020-04-16
JP6641304B2 (ja) 2020-02-05
TW201603001A (zh) 2016-01-16
CN106471822B (zh) 2019-10-25

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