EP3109611A4 - Signal encoding method and apparatus, and signal decoding method and apparatus - Google Patents

Signal encoding method and apparatus, and signal decoding method and apparatus Download PDF

Info

Publication number
EP3109611A4
EP3109611A4 EP15749031.9A EP15749031A EP3109611A4 EP 3109611 A4 EP3109611 A4 EP 3109611A4 EP 15749031 A EP15749031 A EP 15749031A EP 3109611 A4 EP3109611 A4 EP 3109611A4
Authority
EP
European Patent Office
Prior art keywords
signal
encoding method
decoding method
signal decoding
signal encoding
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.)
Ceased
Application number
EP15749031.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3109611A1 (en
Inventor
Ho-Sang Sung
Konstantin Osipov
Yi Lu
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority claimed from PCT/KR2015/001668 external-priority patent/WO2015122752A1/ko
Publication of EP3109611A1 publication Critical patent/EP3109611A1/en
Publication of EP3109611A4 publication Critical patent/EP3109611A4/en
Ceased legal-status Critical Current

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
    • G10L19/02—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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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

Landscapes

  • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP15749031.9A 2014-02-17 2015-02-17 Signal encoding method and apparatus, and signal decoding method and apparatus Ceased EP3109611A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461940798P 2014-02-17 2014-02-17
PCT/KR2015/001668 WO2015122752A1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

Publications (2)

Publication Number Publication Date
EP3109611A1 EP3109611A1 (en) 2016-12-28
EP3109611A4 true EP3109611A4 (en) 2017-08-30

Family

ID=57257234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15749031.9A Ceased EP3109611A4 (en) 2014-02-17 2015-02-17 Signal encoding method and apparatus, and signal decoding method and apparatus

Country Status (4)

Country Link
EP (1) EP3109611A4 (https=)
JP (1) JP6633547B2 (https=)
KR (3) KR102386738B1 (https=)
CN (2) CN106233112B (https=)

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EP3614381A1 (en) * 2013-09-16 2020-02-26 Samsung Electronics Co., Ltd. Signal encoding method and device and signal decoding method and device
KR102386738B1 (ko) * 2014-02-17 2022-04-14 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
KR102742778B1 (ko) 2014-07-28 2024-12-16 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
CN111971902B (zh) * 2018-04-13 2024-03-29 日本电信电话株式会社 编码装置、解码装置、编码方法、解码方法、程序及记录介质
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
KR102857969B1 (ko) * 2019-06-17 2025-09-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 신호의존적 수 및 정밀도 제어가 가능한 오디오 인코더, 오디오 디코더 및 관련 방법 및 컴퓨터 프로그램
CN110992963B (zh) 2019-12-10 2023-09-29 腾讯科技（深圳）有限公司 网络通话方法、装置、计算机设备及存储介质
CN118296297B (zh) * 2024-03-27 2025-01-07 上海交通大学 一种针对冲击信号的解耦方法和系统

Citations (4)

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US20030061055A1 (en) * 2001-05-08 2003-03-27 Rakesh Taori Audio coding
EP1798724A1 (en) * 2004-11-05 2007-06-20 Matsushita Electric Industrial Co., Ltd. Encoder, decoder, encoding method, and decoding method
US20130290003A1 (en) * 2012-03-21 2013-10-31 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding high frequency for bandwidth extension
EP3176780A1 (en) * 2014-07-28 2017-06-07 Samsung Electronics Co., Ltd. Signal encoding method and apparatus and signal decoding method and apparatus

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US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
JP3685823B2 (ja) * 1993-09-28 2005-08-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US6717990B1 (en) * 2000-01-05 2004-04-06 General Dynamics Decision Systems, Inc. Communication system and method for multi-rate, channel-optimized trellis-coded quantization
US6847684B1 (en) * 2000-06-01 2005-01-25 Hewlett-Packard Development Company, L.P. Zero-block encoding
KR100851970B1 (ko) * 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
JP4640020B2 (ja) * 2005-07-29 2011-03-02 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
US8527265B2 (en) * 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
BR122022013454B1 (pt) * 2009-10-20 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
MX340386B (es) * 2011-06-30 2016-07-07 Samsung Electronics Co Ltd Aparato y metodo para generar señal extendida de ancho de banda.
WO2013048171A2 (ko) * 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
KR20140085453A (ko) * 2011-10-27 2014-07-07 엘지전자 주식회사 음성 신호 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR102386738B1 (ko) * 2014-02-17 2022-04-14 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030061055A1 (en) * 2001-05-08 2003-03-27 Rakesh Taori Audio coding
EP1798724A1 (en) * 2004-11-05 2007-06-20 Matsushita Electric Industrial Co., Ltd. Encoder, decoder, encoding method, and decoding method
US20130290003A1 (en) * 2012-03-21 2013-10-31 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding high frequency for bandwidth extension
EP3176780A1 (en) * 2014-07-28 2017-06-07 Samsung Electronics Co., Ltd. Signal encoding method and apparatus and signal decoding method and apparatus

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Codec for Enhanced Voice Services (EVS); Detailed Algorithmic Description (Release 12)", 3GPP STANDARD; 3GPP TS 26.445, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG4, no. V12.0.0, 23 September 2014 (2014-09-23), pages 262 - 400, XP050925847 *
"6.2 MDCT Coding mode decoding", 10 December 2014 (2014-12-10), XP050913052, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Specs/archive/26_series/26.445/> [retrieved on 20141210] *
See also references of WO2015122752A1 *

Also Published As

Publication number Publication date
JP6633547B2 (ja) 2020-01-22
CN106233112B (zh) 2019-06-28
KR20160122160A (ko) 2016-10-21
KR20220051028A (ko) 2022-04-25
CN106233112A (zh) 2016-12-14
KR102386738B1 (ko) 2022-04-14
KR20240008413A (ko) 2024-01-18
JP2017506771A (ja) 2017-03-09
EP3109611A1 (en) 2016-12-28
KR102837715B1 (ko) 2025-07-22
CN110176241A (zh) 2019-08-27
CN110176241B (zh) 2023-10-31
KR102625143B1 (ko) 2024-01-15

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