RU2648947C2 - Параметрическая реконструкция аудиосигналов - Google Patents

Параметрическая реконструкция аудиосигналов Download PDF

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RU2648947C2
RU2648947C2 RU2016119563A RU2016119563A RU2648947C2 RU 2648947 C2 RU2648947 C2 RU 2648947C2 RU 2016119563 A RU2016119563 A RU 2016119563A RU 2016119563 A RU2016119563 A RU 2016119563A RU 2648947 C2 RU2648947 C2 RU 2648947C2
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signal
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dry
parameters
channel
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RU2016119563A
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RU2016119563A (ru
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Ларс ВИЛЛЕМОЕС
Хейди-Мария ЛЕХТОНЕН
Хейко ПУРНХАГЕН
Тони ХИРВОНЕН
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Долби Интернэшнл Аб
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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
    • G10L19/04—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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
RU2016119563A 2013-10-21 2014-10-21 Параметрическая реконструкция аудиосигналов RU2648947C2 (ru)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361893770P 2013-10-21 2013-10-21
US61/893,770 2013-10-21
US201461974544P 2014-04-03 2014-04-03
US61/974,544 2014-04-03
US201462037693P 2014-08-15 2014-08-15
US62/037,693 2014-08-15
PCT/EP2014/072570 WO2015059153A1 (en) 2013-10-21 2014-10-21 Parametric reconstruction of audio signals

Publications (2)

Publication Number Publication Date
RU2016119563A RU2016119563A (ru) 2017-11-28
RU2648947C2 true RU2648947C2 (ru) 2018-03-28

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EP (1) EP3061089B1 (enExample)
JP (1) JP6479786B2 (enExample)
KR (5) KR102741608B1 (enExample)
CN (3) CN111179956B (enExample)
BR (1) BR112016008817B1 (enExample)
ES (1) ES2660778T3 (enExample)
RU (1) RU2648947C2 (enExample)
WO (1) WO2015059153A1 (enExample)

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US12211513B2 (en) 2018-04-25 2025-01-28 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12243543B2 (en) 2018-04-25 2025-03-04 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US12296028B2 (en) 2018-01-26 2025-05-13 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay

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TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
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FR3101741A1 (fr) * 2019-10-02 2021-04-09 Orange Détermination de corrections à appliquer à un signal audio multicanal, codage et décodage associés
CN111696625A (zh) * 2020-04-21 2020-09-22 天津金域医学检验实验室有限公司 一种fish室荧光计数系统
PL4165629T3 (pl) * 2020-06-11 2025-07-07 Dolby Laboratories Licensing Corporation Sposoby i urządzenia do kodowania dekodowania przestrzennego szumu tła w obrębie welokanałowego sygnału wejściowego
KR20230116895A (ko) 2020-12-02 2023-08-04 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas)
TW202334938A (zh) 2021-12-20 2023-09-01 瑞典商都比國際公司 正交鏡像濾波器域中之沉浸式音訊及視訊服務空間重建濾波器庫
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CN111179956A (zh) 2020-05-19
EP3061089A1 (en) 2016-08-31
KR20210046848A (ko) 2021-04-28
US20190325885A1 (en) 2019-10-24
JP6479786B2 (ja) 2019-03-06
CN111179956B (zh) 2023-08-11
KR102741608B1 (ko) 2024-12-16
BR112016008817B1 (pt) 2022-03-22
US20160247514A1 (en) 2016-08-25
KR20220044619A (ko) 2022-04-08
US20200302943A1 (en) 2020-09-24
BR112016008817A2 (enExample) 2017-08-01
CN105917406B (zh) 2020-01-17
US11450330B2 (en) 2022-09-20
KR102486365B1 (ko) 2023-01-09
US20240087584A1 (en) 2024-03-14
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