IN2014DN07433A - - Google Patents

Info

Publication number
IN2014DN07433A
IN2014DN07433A IN7433DEN2014A IN2014DN07433A IN 2014DN07433 A IN2014DN07433 A IN 2014DN07433A IN 7433DEN2014 A IN7433DEN2014 A IN 7433DEN2014A IN 2014DN07433 A IN2014DN07433 A IN 2014DN07433A
Authority
IN
India
Prior art keywords
encode
encoder
peak
peak regions
frequency set
Prior art date
Application number
Other languages
English (en)
Inventor
Volodya Grancharov
Tomas Toftgård
Sebastian Näslund
Harald Pobloth
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2014DN07433A publication Critical patent/IN2014DN07433A/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/038Vector quantisation, e.g. TwinVQ audio

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IN7433DEN2014 2012-03-29 2012-10-30 IN2014DN07433A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261617216P 2012-03-29 2012-03-29
PCT/SE2012/051177 WO2013147666A1 (en) 2012-03-29 2012-10-30 Transform encoding/decoding of harmonic audio signals

Publications (1)

Publication Number Publication Date
IN2014DN07433A true IN2014DN07433A (ru) 2015-04-24

Family

ID=47221519

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7433DEN2014 IN2014DN07433A (ru) 2012-03-29 2012-10-30

Country Status (13)

Country Link
US (4) US9437204B2 (ru)
EP (2) EP2831874B1 (ru)
KR (3) KR20140130248A (ru)
CN (2) CN104254885B (ru)
DK (1) DK2831874T3 (ru)
ES (2) ES2635422T3 (ru)
HU (1) HUE033069T2 (ru)
IN (1) IN2014DN07433A (ru)
PL (1) PL3220390T3 (ru)
PT (1) PT3220390T (ru)
RU (3) RU2637994C1 (ru)
TR (1) TR201815245T4 (ru)
WO (1) WO2013147666A1 (ru)

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KR20140130248A (ko) * 2012-03-29 2014-11-07 텔레폰악티에볼라겟엘엠에릭슨(펍) 하모닉 오디오 신호의 변환 인코딩/디코딩
WO2013147667A1 (en) * 2012-03-29 2013-10-03 Telefonaktiebolaget Lm Ericsson (Publ) Vector quantizer
CN103854653B (zh) * 2012-12-06 2016-12-28 华为技术有限公司 信号解码的方法和设备
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
EP4109445A1 (en) * 2014-03-14 2022-12-28 Telefonaktiebolaget LM Ericsson (PUBL) Audio coding method and apparatus
CN104934034B (zh) * 2014-03-19 2016-11-16 华为技术有限公司 用于信号处理的方法和装置
EP3274992B1 (en) * 2015-03-27 2020-11-04 Dolby Laboratories Licensing Corporation Adaptive audio filtering
US10984808B2 (en) * 2019-07-09 2021-04-20 Blackberry Limited Method for multi-stage compression in sub-band processing
CN113192517B (zh) * 2020-01-13 2024-04-26 华为技术有限公司 一种音频编解码方法和音频编解码设备

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ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
CN101971251B (zh) * 2008-03-14 2012-08-08 杜比实验室特许公司 像言语的信号和不像言语的信号的多模式编解码方法及装置
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KR101400535B1 (ko) * 2008-07-11 2014-05-28 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
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KR20140130248A (ko) * 2012-03-29 2014-11-07 텔레폰악티에볼라겟엘엠에릭슨(펍) 하모닉 오디오 신호의 변환 인코딩/디코딩

Also Published As

Publication number Publication date
KR20190075154A (ko) 2019-06-28
KR102123770B1 (ko) 2020-06-16
US10566003B2 (en) 2020-02-18
EP2831874B1 (en) 2017-05-03
EP2831874A1 (en) 2015-02-04
RU2014143518A (ru) 2016-05-20
RU2637994C1 (ru) 2017-12-08
KR102136038B1 (ko) 2020-07-20
HUE033069T2 (hu) 2017-11-28
CN104254885B (zh) 2017-10-13
RU2017139868A (ru) 2019-05-16
KR20140130248A (ko) 2014-11-07
EP3220390B1 (en) 2018-09-26
US20160343381A1 (en) 2016-11-24
DK2831874T3 (en) 2017-06-26
US9437204B2 (en) 2016-09-06
US20200143818A1 (en) 2020-05-07
WO2013147666A1 (en) 2013-10-03
PT3220390T (pt) 2018-11-06
RU2017139868A3 (ru) 2021-01-22
ES2635422T3 (es) 2017-10-03
TR201815245T4 (tr) 2018-11-21
RU2611017C2 (ru) 2017-02-17
CN107591157B (zh) 2020-12-22
EP3220390A1 (en) 2017-09-20
KR20190084131A (ko) 2019-07-15
US20150046171A1 (en) 2015-02-12
US11264041B2 (en) 2022-03-01
CN107591157A (zh) 2018-01-16
ES2703873T3 (es) 2019-03-12
US20220139408A1 (en) 2022-05-05
CN104254885A (zh) 2014-12-31
RU2744477C2 (ru) 2021-03-10
PL3220390T3 (pl) 2019-02-28

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