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
wet
channel
upmix
dry
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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

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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) KR102244379B1 (enExample)
CN (3) CN111192592B (enExample)
BR (1) BR112016008817B1 (enExample)
ES (1) ES2660778T3 (enExample)
RU (1) RU2648947C2 (enExample)
WO (1) WO2015059153A1 (enExample)

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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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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
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
UA130176C2 (uk) 2020-12-02 2025-12-03 Долбі Лабораторіс Лайсензін Корпорейшн Носій інформації та спосіб кодування звукового сигналу, в якому використовують стратегію понижувального мікшування
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TW202508311A (zh) 2023-07-03 2025-02-16 美商杜拜研究特許公司 基於場景之音訊單聲道解碼之方法、裝置及系統
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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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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
US12300258B2 (en) 2018-04-25 2025-05-13 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US12300263B2 (en) 2018-04-25 2025-05-13 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12334102B2 (en) 2018-04-25 2025-06-17 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12340819B2 (en) 2018-04-25 2025-06-24 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12664993B2 (en) 2018-04-25 2026-06-23 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay

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