JPWO2020250472A1 - - Google Patents

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Publication number
JPWO2020250472A1
JPWO2020250472A1 JP2021525902A JP2021525902A JPWO2020250472A1 JP WO2020250472 A1 JPWO2020250472 A1 JP WO2020250472A1 JP 2021525902 A JP2021525902 A JP 2021525902A JP 2021525902 A JP2021525902 A JP 2021525902A JP WO2020250472 A1 JPWO2020250472 A1 JP WO2020250472A1
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JP
Japan
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JP2021525902A
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JP7205626B2 (ja
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Publication of JP7205626B2 publication Critical patent/JP7205626B2/ja
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Classifications

    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Telephonic Communication Services (AREA)
  • Stereophonic System (AREA)
JP2021525902A 2019-06-13 2019-12-27 音信号受信復号方法、音信号符号化送信方法、音信号復号方法、音信号符号化方法、音信号受信側装置、音信号送信側装置、復号装置、符号化装置、プログラム及び記録媒体 Active JP7205626B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPPCT/JP2019/023425 2019-06-13
PCT/JP2019/023425 WO2020250371A1 (ja) 2019-06-13 2019-06-13 音信号符号化送信方法、音信号符号化方法、音信号送信側装置、符号化装置、プログラム及び記録媒体
PCT/JP2019/051597 WO2020250472A1 (ja) 2019-06-13 2019-12-27 音信号受信復号方法、音信号符号化送信方法、音信号復号方法、音信号符号化方法、音信号受信側装置、音信号送信側装置、復号装置、符号化装置、プログラム及び記録媒体

Publications (2)

Publication Number Publication Date
JPWO2020250472A1 true JPWO2020250472A1 (ja) 2020-12-17
JP7205626B2 JP7205626B2 (ja) 2023-01-17

Family

ID=73781719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021525902A Active JP7205626B2 (ja) 2019-06-13 2019-12-27 音信号受信復号方法、音信号符号化送信方法、音信号復号方法、音信号符号化方法、音信号受信側装置、音信号送信側装置、復号装置、符号化装置、プログラム及び記録媒体

Country Status (5)

Country Link
US (1) US11996107B2 (ja)
EP (1) EP3985664A4 (ja)
JP (1) JP7205626B2 (ja)
CN (1) CN114144832A (ja)
WO (2) WO2020250371A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020250371A1 (ja) * 2019-06-13 2020-12-17 日本電信電話株式会社 音信号符号化送信方法、音信号符号化方法、音信号送信側装置、符号化装置、プログラム及び記録媒体
WO2020250369A1 (ja) * 2019-06-13 2020-12-17 日本電信電話株式会社 音信号受信復号方法、音信号復号方法、音信号受信側装置、復号装置、プログラム及び記録媒体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11251917A (ja) * 1998-02-26 1999-09-17 Sony Corp 符号化装置及び方法、復号化装置及び方法、並びに記録媒体
JP2004289196A (ja) * 2002-03-08 2004-10-14 Nippon Telegr & Teleph Corp <Ntt> ディジタル信号符号化方法、復号化方法、符号化装置、復号化装置及びディジタル信号符号化プログラム、復号化プログラム
JP2005117132A (ja) * 2003-10-03 2005-04-28 Nippon Telegr & Teleph Corp <Ntt> 音声信号パケット通信方法、音声信号パケット送信方法、受信方法、これらの装置、そのプログラムおよび記録媒体
WO2006070751A1 (ja) * 2004-12-27 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
WO2008102527A1 (ja) * 2007-02-20 2008-08-28 Panasonic Corporation マルチチャンネル復号装置、マルチチャンネル復号方法、プログラム及び半導体集積回路
WO2009129822A1 (en) * 2008-04-22 2009-10-29 Nokia Corporation Efficient encoding and decoding for multi-channel signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903301A (en) * 1987-02-27 1990-02-20 Hitachi, Ltd. Method and system for transmitting variable rate speech signal
TW224191B (ja) * 1992-01-28 1994-05-21 Qualcomm Inc
US7359979B2 (en) * 2002-09-30 2008-04-15 Avaya Technology Corp. Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
US11417345B2 (en) * 2018-01-17 2022-08-16 Nippon Telegraph And Telephone Corporation Encoding apparatus, decoding apparatus, fricative sound judgment apparatus, and methods and programs therefor
JP6962386B2 (ja) * 2018-01-17 2021-11-05 日本電信電話株式会社 復号装置、符号化装置、これらの方法及びプログラム
WO2020250371A1 (ja) * 2019-06-13 2020-12-17 日本電信電話株式会社 音信号符号化送信方法、音信号符号化方法、音信号送信側装置、符号化装置、プログラム及び記録媒体
WO2020250369A1 (ja) * 2019-06-13 2020-12-17 日本電信電話株式会社 音信号受信復号方法、音信号復号方法、音信号受信側装置、復号装置、プログラム及び記録媒体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11251917A (ja) * 1998-02-26 1999-09-17 Sony Corp 符号化装置及び方法、復号化装置及び方法、並びに記録媒体
JP2004289196A (ja) * 2002-03-08 2004-10-14 Nippon Telegr & Teleph Corp <Ntt> ディジタル信号符号化方法、復号化方法、符号化装置、復号化装置及びディジタル信号符号化プログラム、復号化プログラム
JP2005117132A (ja) * 2003-10-03 2005-04-28 Nippon Telegr & Teleph Corp <Ntt> 音声信号パケット通信方法、音声信号パケット送信方法、受信方法、これらの装置、そのプログラムおよび記録媒体
WO2006070751A1 (ja) * 2004-12-27 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
WO2008102527A1 (ja) * 2007-02-20 2008-08-28 Panasonic Corporation マルチチャンネル復号装置、マルチチャンネル復号方法、プログラム及び半導体集積回路
WO2009129822A1 (en) * 2008-04-22 2009-10-29 Nokia Corporation Efficient encoding and decoding for multi-channel signals

Also Published As

Publication number Publication date
US11996107B2 (en) 2024-05-28
CN114144832A (zh) 2022-03-04
EP3985664A4 (en) 2023-07-19
EP3985664A1 (en) 2022-04-20
JP7205626B2 (ja) 2023-01-17
WO2020250472A1 (ja) 2020-12-17
US20220238122A1 (en) 2022-07-28
WO2020250371A1 (ja) 2020-12-17

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