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

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Publication number
EP3109611A4
EP3109611A4 EP20150749031 EP15749031A EP3109611A4 EP 3109611 A4 EP3109611 A4 EP 3109611A4 EP 20150749031 EP20150749031 EP 20150749031 EP 15749031 A EP15749031 A EP 15749031A EP 3109611 A4 EP3109611 A4 EP 3109611A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
apparatus
signal
method
decoding method
encoding method
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.)
Pending
Application number
EP20150749031
Other languages
German (de)
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

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0212Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
EP20150749031 2014-02-17 2015-02-17 Signal encoding method and apparatus, and signal decoding method and apparatus Pending EP3109611A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201461940798 true 2014-02-17 2014-02-17
PCT/KR2015/001668 WO2015122752A1 (en) 2014-02-17 2015-02-17 Signal encoding method and apparatus, and signal decoding method and apparatus

Publications (2)

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

Family

ID=57257234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20150749031 Pending EP3109611A4 (en) 2014-02-17 2015-02-17 Signal encoding method and apparatus, and signal decoding method and apparatus

Country Status (3)

Country Link
EP (1) EP3109611A4 (en)
KR (1) KR20160122160A (en)
CN (1) CN106233112A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 2005-07-15 2008-08-12 삼성전자주식회사 Method and apparatus for extracting ISCImportant Spectral Component of audio signal, and method and appartus for encoding/decoding audio signal with low bitrate using it
JP4640020B2 (en) * 2005-07-29 2011-03-02 ソニー株式会社 Speech encoding apparatus and method and speech decoding apparatus and method,
KR20140085453A (en) * 2011-10-27 2014-07-07 엘지전자 주식회사 Method for encoding voice signal, method for decoding voice signal, and apparatus using same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Type
CN106233112A (en) 2016-12-14 application
JP2017506771A (en) 2017-03-09 application
KR20160122160A (en) 2016-10-21 application
EP3109611A1 (en) 2016-12-28 application

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