JP6721977B2 - 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法 - Google Patents

音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法 Download PDF

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JP6721977B2
JP6721977B2 JP2015244243A JP2015244243A JP6721977B2 JP 6721977 B2 JP6721977 B2 JP 6721977B2 JP 2015244243 A JP2015244243 A JP 2015244243A JP 2015244243 A JP2015244243 A JP 2015244243A JP 6721977 B2 JP6721977 B2 JP 6721977B2
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signal
audio
encoding
channel
addition
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JP2017111230A5 (enExample
JP2017111230A (ja
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江原　宏幸
宏幸 江原
貴紀 青山
貴紀 青山
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Panasonic Intellectual Property Corp of America
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Priority to JP2015244243A priority Critical patent/JP6721977B2/ja
Priority to PCT/JP2016/004891 priority patent/WO2017104105A1/ja
Priority to EP16875095.8A priority patent/EP3392881B1/en
Priority to CN201680059429.5A priority patent/CN108140394B/zh
Publication of JP2017111230A publication Critical patent/JP2017111230A/ja
Priority to US15/976,987 priority patent/US10424308B2/en
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • 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
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Otolaryngology (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2015244243A 2015-12-15 2015-12-15 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法 Active JP6721977B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2015244243A JP6721977B2 (ja) 2015-12-15 2015-12-15 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法
PCT/JP2016/004891 WO2017104105A1 (ja) 2015-12-15 2016-11-16 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法
EP16875095.8A EP3392881B1 (en) 2015-12-15 2016-11-16 Audio acoustics signal encoding apparatus, audio acoustics signal decoding apparatus, audio acoustics signal encoding method, and audio acoustics signal decoding method
CN201680059429.5A CN108140394B (zh) 2015-12-15 2016-11-16 语音音频信号编码装置及其方法、解码装置及其方法
US15/976,987 US10424308B2 (en) 2015-12-15 2018-05-11 Audio sound signal encoding device, audio sound signal decoding device, audio sound signal encoding method, and audio sound signal decoding method

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JP2015244243A JP6721977B2 (ja) 2015-12-15 2015-12-15 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法

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JP2017111230A JP2017111230A (ja) 2017-06-22
JP2017111230A5 JP2017111230A5 (enExample) 2018-12-20
JP6721977B2 true JP6721977B2 (ja) 2020-07-15

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US (1) US10424308B2 (enExample)
EP (1) EP3392881B1 (enExample)
JP (1) JP6721977B2 (enExample)
CN (1) CN108140394B (enExample)
WO (1) WO2017104105A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
CN106710600B (zh) * 2016-12-16 2020-02-04 广州广晟数码技术有限公司 多声道音频信号的去相关编码方法和装置
AU2019298307A1 (en) 2018-07-04 2021-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal audio coding using signal whitening as preprocessing
JP7176418B2 (ja) * 2019-01-17 2022-11-22 日本電信電話株式会社 多地点制御方法、装置及びプログラム
CN113259083B (zh) * 2021-07-13 2021-09-28 成都德芯数字科技股份有限公司 一种调频同步网相位同步方法

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* Cited by examiner, † Cited by third party
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JP3175446B2 (ja) * 1993-11-29 2001-06-11 ソニー株式会社 情報圧縮方法及び装置、圧縮情報伸張方法及び装置、圧縮情報記録／伝送装置、圧縮情報再生装置、圧縮情報受信装置、並びに記録媒体
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
CN1243621A (zh) * 1997-09-12 2000-02-02 皇家菲利浦电子有限公司 具有改进的丢失部分重构功能的传输系统
JP4163294B2 (ja) * 1998-07-31 2008-10-08 株式会社東芝 雑音抑圧処理装置および雑音抑圧処理方法
HUP0301368A3 (en) * 2003-05-20 2005-09-28 Amt Advanced Multimedia Techno Method and equipment for compressing motion picture data
JP4809370B2 (ja) * 2005-02-23 2011-11-09 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチチャネル音声符号化における適応ビット割り当て
WO2009116280A1 (ja) * 2008-03-19 2009-09-24 パナソニック株式会社 ステレオ信号符号化装置、ステレオ信号復号装置およびこれらの方法
WO2010085083A2 (en) * 2009-01-20 2010-07-29 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
KR101756838B1 (ko) * 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
JP2015011076A (ja) * 2013-06-26 2015-01-19 日本放送協会 音響信号符号化装置、音響信号符号化方法、および音響信号復号化装置

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Publication number Publication date
EP3392881A4 (en) 2018-10-24
US10424308B2 (en) 2019-09-24
US20180261233A1 (en) 2018-09-13
WO2017104105A1 (ja) 2017-06-22
EP3392881A1 (en) 2018-10-24
CN108140394A (zh) 2018-06-08
JP2017111230A (ja) 2017-06-22
CN108140394B (zh) 2022-03-25
EP3392881B1 (en) 2020-05-06

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