CN115244618B - 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 - Google Patents

声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 Download PDF

Info

Publication number
CN115244618B
CN115244618B CN202080098103.XA CN202080098103A CN115244618B CN 115244618 B CN115244618 B CN 115244618B CN 202080098103 A CN202080098103 A CN 202080098103A CN 115244618 B CN115244618 B CN 115244618B
Authority
CN
China
Prior art keywords
signal
channel
subtraction gain
sound signal
left channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202080098103.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN115244618A (zh
Inventor
杉浦亮介
守谷健弘
镰本优
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Entiti Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN115244618A publication Critical patent/CN115244618A/zh
Application granted granted Critical
Publication of CN115244618B publication Critical patent/CN115244618B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (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)
  • Stereophonic System (AREA)
CN202080098103.XA 2020-03-09 2020-03-09 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 Active CN115244618B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/010081 WO2021181473A1 (ja) 2020-03-09 2020-03-09 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体

Publications (2)

Publication Number Publication Date
CN115244618A CN115244618A (zh) 2022-10-25
CN115244618B true CN115244618B (zh) 2025-04-15

Family

ID=77671265

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080098103.XA Active CN115244618B (zh) 2020-03-09 2020-03-09 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质

Country Status (5)

Country Link
US (1) US12374343B2 (https=)
EP (1) EP4120251B1 (https=)
JP (1) JP7380838B2 (https=)
CN (1) CN115244618B (https=)
WO (1) WO2021181473A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103180899A (zh) * 2010-11-17 2013-06-26 松下电器产业株式会社 立体声信号编码装置、立体声信号解码装置、立体声信号编码方法及立体声信号解码方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
US7945447B2 (en) * 2004-12-27 2011-05-17 Panasonic Corporation Sound coding device and sound coding method
US8200351B2 (en) * 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
JP5133401B2 (ja) * 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
WO2009141775A1 (en) * 2008-05-23 2009-11-26 Koninklijke Philips Electronics N.V. A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
WO2010097748A1 (en) * 2009-02-27 2010-09-02 Koninklijke Philips Electronics N.V. Parametric stereo encoding and decoding
CN102428512A (zh) * 2009-06-02 2012-04-25 松下电器产业株式会社 下混装置、编码装置以及其方法
CN102812511A (zh) * 2009-10-16 2012-12-05 法国电信公司 优化的参数立体声解码
CN102157152B (zh) * 2010-02-12 2014-04-30 华为技术有限公司 立体声编码的方法、装置
CA2968972C (en) * 2014-12-01 2021-06-22 Inscape Data, Inc. System and method for continuous media segment identification
US10319385B2 (en) * 2015-09-25 2019-06-11 Voiceage Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget
JP7008716B2 (ja) * 2016-11-08 2022-01-25 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． サイドゲインおよび残余ゲインを使用してマルチチャネル信号を符号化または復号するための装置および方法
EP3588495A1 (en) * 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
KR20240046634A (ko) * 2019-03-29 2024-04-09 텔레폰악티에볼라겟엘엠에릭슨(펍) 예측 코딩에서 저비용 에러 복구를 위한 방법 및 장치
CN120496544A (zh) * 2020-03-09 2025-08-15 日本电信电话株式会社 用于声音信号缩混的程序

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103180899A (zh) * 2010-11-17 2013-06-26 松下电器产业株式会社 立体声信号编码装置、立体声信号解码装置、立体声信号编码方法及立体声信号解码方法

Also Published As

Publication number Publication date
US20230086460A1 (en) 2023-03-23
JP7380838B2 (ja) 2023-11-15
US12374343B2 (en) 2025-07-29
EP4120251A1 (en) 2023-01-18
EP4120251B1 (en) 2024-12-18
JPWO2021181473A1 (https=) 2021-09-16
EP4120251A4 (en) 2023-11-15
WO2021181473A1 (ja) 2021-09-16
CN115244618A (zh) 2022-10-25

Similar Documents

Publication Publication Date Title
CN115280411B (zh) 声音信号缩混方法、声音信号编码方法、声音信号缩混装置、声音信号编码装置及记录介质
US9584235B2 (en) Multi-channel audio processing
CN112823534B (zh) 信号处理设备和方法以及程序
JPWO2015186535A1 (ja) オーディオ信号処理装置および方法、符号化装置および方法、並びにプログラム
WO2021181746A1 (ja) 音信号ダウンミックス方法、音信号符号化方法、音信号ダウンミックス装置、音信号符号化装置、プログラム及び記録媒体
JP2026001181A (ja) 音信号ダウンミックス方法、音信号ダウンミックス装置、プログラム
CN115244619B (zh) 声音信号的编码解码方法、装置、程序产品以及记录介质
CN115244618B (zh) 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质
US12621620B2 (en) Sound signal downmix method, sound signal coding method, sound signal downmix apparatus, sound signal coding apparatus, program
WO2024142357A1 (ja) 音信号処理装置、音信号処理方法、プログラム
WO2024142359A1 (ja) 音信号処理装置、音信号処理方法、プログラム

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Tokyo, Japan

Patentee after: Entiti Corp.

Country or region after: Japan

Address before: Tokyo, Japan

Patentee before: NIPPON TELEGRAPH AND TELEPHONE Corp.

Country or region before: Japan