KR101777626B1 - 조인트 멀티채널 코딩을 위한 방법들 및 장치들 - Google Patents

조인트 멀티채널 코딩을 위한 방법들 및 장치들 Download PDF

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KR101777626B1
KR101777626B1 KR1020167006428A KR20167006428A KR101777626B1 KR 101777626 B1 KR101777626 B1 KR 101777626B1 KR 1020167006428 A KR1020167006428 A KR 1020167006428A KR 20167006428 A KR20167006428 A KR 20167006428A KR 101777626 B1 KR101777626 B1 KR 101777626B1
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stereo
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audio
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KR20160042104A (ko
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크리스토퍼 쿄에링
하랄트 문트
헤이코 푸른하겐
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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
    • G10L19/005—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
    • G10L19/04—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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Quality & Reliability (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
KR1020167006428A 2013-09-12 2014-09-08 조인트 멀티채널 코딩을 위한 방법들 및 장치들 Active KR101777626B1 (ko)

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US201361877189P 2013-09-12 2013-09-12
US61/877,189 2013-09-12
PCT/EP2014/069043 WO2015036351A1 (en) 2013-09-12 2014-09-08 Methods and devices for joint multichannel coding

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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
CN113948095B (zh) 2020-07-17 2025-02-25 华为技术有限公司 多声道音频信号的编解码方法和装置

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US20180366132A1 (en) 2018-12-20
RU2016113712A (ru) 2017-10-17
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US11380336B2 (en) 2022-07-05
TW202018699A (zh) 2020-05-16
EP3044785B1 (en) 2017-12-13
CN110189759B (zh) 2023-05-23
NO2993357T3 (enExample) 2018-07-21
US20250140269A1 (en) 2025-05-01
TWI671734B (zh) 2019-09-11
CN110189758B (zh) 2024-01-02
MX2016002885A (es) 2016-07-26
CN110189759A (zh) 2019-08-30
SG10201807851YA (en) 2018-10-30
CN117558282A (zh) 2024-02-13
MX354658B (es) 2018-03-14
BR112016004674A2 (enExample) 2017-08-01
US20160217797A1 (en) 2016-07-28
TW201528253A (zh) 2015-07-16
JP6219527B2 (ja) 2017-10-25
IL243959A0 (en) 2016-04-21
EP3330963B1 (en) 2021-11-03
AR115788A2 (es) 2021-02-24
EP3044785A1 (en) 2016-07-20
TWI634547B (zh) 2018-09-01
US11749288B2 (en) 2023-09-05
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US10497377B2 (en) 2019-12-03
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US10083701B2 (en) 2018-09-25
SG11201600827VA (en) 2016-03-30
CN110176240B (zh) 2023-12-29
HUE035582T2 (en) 2018-05-28
UA115928C2 (uk) 2018-01-10
AR097627A1 (es) 2016-04-06

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