RU2625444C2 - Система обработки аудио - Google Patents

Система обработки аудио Download PDF

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Publication number
RU2625444C2
RU2625444C2 RU2015147158A RU2015147158A RU2625444C2 RU 2625444 C2 RU2625444 C2 RU 2625444C2 RU 2015147158 A RU2015147158 A RU 2015147158A RU 2015147158 A RU2015147158 A RU 2015147158A RU 2625444 C2 RU2625444 C2 RU 2625444C2
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signal
mode
frequency
cascade
audio
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RU2015147158A
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Russian (ru)
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RU2015147158A (ru
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Кристофер ЧЕРЛИНГ
Хейко ПУРНХАГЕН
Ларс ВИЛЛЕМОЕС
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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
    • G10L19/008—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • H04S3/008—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
RU2015147158A 2013-04-05 2014-04-04 Система обработки аудио RU2625444C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361809019P 2013-04-05 2013-04-05
US61/809,019 2013-04-05
US201361875959P 2013-09-10 2013-09-10
US61/875,959 2013-09-10
PCT/EP2014/056857 WO2014161996A2 (en) 2013-04-05 2014-04-04 Audio processing system

Publications (2)

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RU2015147158A RU2015147158A (ru) 2017-05-17
RU2625444C2 true RU2625444C2 (ru) 2017-07-13

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US (2) US9478224B2 (enExample)
EP (1) EP2981956B1 (enExample)
JP (2) JP6013646B2 (enExample)
KR (1) KR101717006B1 (enExample)
CN (2) CN105247613B (enExample)
BR (1) BR112015025092B1 (enExample)
ES (1) ES2934646T3 (enExample)
IN (1) IN2015MN02784A (enExample)
RU (1) RU2625444C2 (enExample)
WO (1) WO2014161996A2 (enExample)

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RU2731602C1 (ru) * 2019-09-30 2020-09-04 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Способ и устройство компандирования с предыскажением звуковых вещательных сигналов
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WO2021004045A1 (zh) * 2019-07-09 2021-01-14 海信视像科技股份有限公司 一种多声道平台音频数据传输方法及其装置、显示设备
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CN111354365B (zh) * 2020-03-10 2023-10-31 苏宁云计算有限公司 一种纯语音数据采样率识别方法、装置、系统
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WO2022097239A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
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RU2809977C1 (ru) * 2019-09-03 2023-12-20 Долби Лэборетериз Лайсенсинг Корпорейшн Кодек с малой задержкой и низкочастотными эффектами
RU2731602C1 (ru) * 2019-09-30 2020-09-04 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Способ и устройство компандирования с предыскажением звуковых вещательных сигналов
US12499899B2 (en) 2020-09-01 2025-12-16 Dolby Laboratories Licensing Corporation Low-latency, low-frequency effects codec

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