RU2704266C2 - Параметрическое кодирование и декодирование многоканальных аудиосигналов - Google Patents

Параметрическое кодирование и декодирование многоканальных аудиосигналов Download PDF

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RU2704266C2
RU2704266C2 RU2017114642A RU2017114642A RU2704266C2 RU 2704266 C2 RU2704266 C2 RU 2704266C2 RU 2017114642 A RU2017114642 A RU 2017114642A RU 2017114642 A RU2017114642 A RU 2017114642A RU 2704266 C2 RU2704266 C2 RU 2704266C2
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signal
channel
channels
upmix
coefficients
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RU2017114642A
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RU2017114642A3 (enExample
RU2017114642A (ru
Inventor
Хейко ПУРНХАГЕН
Хайди-Мария ЛЕХТОНЕН
Януш КЛЕЙСА
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Долби Интернешнл Аб
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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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
RU2017114642A 2014-10-31 2015-10-29 Параметрическое кодирование и декодирование многоканальных аудиосигналов RU2704266C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462073642P 2014-10-31 2014-10-31
US62/073,642 2014-10-31
US201562128425P 2015-03-04 2015-03-04
US62/128,425 2015-03-04
PCT/EP2015/075115 WO2016066743A1 (en) 2014-10-31 2015-10-29 Parametric encoding and decoding of multichannel audio signals

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RU2019131327A Division RU2798759C2 (ru) 2014-10-31 2015-10-29 Параметрическое кодирование и декодирование многоканальных аудиосигналов

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RU2017114642A RU2017114642A (ru) 2018-10-31
RU2017114642A3 RU2017114642A3 (enExample) 2019-05-24
RU2704266C2 true RU2704266C2 (ru) 2019-10-25

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US (1) US9955276B2 (enExample)
EP (2) EP3213323B1 (enExample)
JP (2) JP6640849B2 (enExample)
KR (1) KR102486338B1 (enExample)
CN (2) CN107004421B (enExample)
BR (1) BR112017008015B1 (enExample)
ES (1) ES2709661T3 (enExample)
RU (1) RU2704266C2 (enExample)
WO (1) WO2016066743A1 (enExample)

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RU2826480C1 (ru) * 2019-10-30 2024-09-11 Долби Лабораторис Лайсэнзин Корпорейшн Кодирование и декодирование многоканального аудио с использованием метаданных направленности
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CN115867964A (zh) * 2020-06-11 2023-03-28 杜比实验室特许公司 用于对多声道输入信号内的空间背景噪声进行编码和/或解码的方法和设备
CN114023338B (zh) * 2020-07-17 2025-06-03 华为技术有限公司 多声道音频信号的编码方法和装置
CN116830192A (zh) * 2020-12-02 2023-09-29 杜比实验室特许公司 利用自适应下混策略的沉浸式语音和音频服务(ivas)
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CN117730367A (zh) * 2023-10-31 2024-03-19 北京小米移动软件有限公司 分组方法、编码器、解码器以及存储介质

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Publication number Priority date Publication date Assignee Title
RU2826480C1 (ru) * 2019-10-30 2024-09-11 Долби Лабораторис Лайсэнзин Корпорейшн Кодирование и декодирование многоканального аудио с использованием метаданных направленности
US12315523B2 (en) 2019-10-30 2025-05-27 Dolby Laboratories Licensing Corporation Multichannel audio encode and decode using directional metadata

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KR102486338B1 (ko) 2023-01-10
JP2017536756A (ja) 2017-12-07
EP3213323A1 (en) 2017-09-06
JP2020074007A (ja) 2020-05-14
BR112017008015B1 (pt) 2023-11-14
RU2017114642A3 (enExample) 2019-05-24
CN111816194A (zh) 2020-10-23
CN107004421B (zh) 2020-07-07
WO2016066743A1 (en) 2016-05-06
US20170339505A1 (en) 2017-11-23
RU2019131327A (ru) 2019-11-25
EP3540732A1 (en) 2019-09-18
EP3213323B1 (en) 2018-12-12
JP7009437B2 (ja) 2022-01-25
CN111816194B (zh) 2024-08-09
RU2017114642A (ru) 2018-10-31
US9955276B2 (en) 2018-04-24
KR20170078648A (ko) 2017-07-07
ES2709661T3 (es) 2019-04-17
CN107004421A (zh) 2017-08-01
JP6640849B2 (ja) 2020-02-05
BR112017008015A2 (pt) 2017-12-19
EP3540732B1 (en) 2023-07-26

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