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 (pl)

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 (pl) 2015-04-24

Family

ID=47221519

Family Applications (1)

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

Country Status (13)

Country Link
US (5) US9437204B2 (pl)
EP (2) EP2831874B1 (pl)
KR (3) KR102123770B1 (pl)
CN (2) CN107591157B (pl)
DK (1) DK2831874T3 (pl)
ES (2) ES2703873T3 (pl)
HU (1) HUE033069T2 (pl)
IN (1) IN2014DN07433A (pl)
PL (1) PL3220390T3 (pl)
PT (1) PT3220390T (pl)
RU (3) RU2637994C1 (pl)
TR (1) TR201815245T4 (pl)
WO (1) WO2013147666A1 (pl)

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ES2703873T3 (es) * 2012-03-29 2019-03-12 Ericsson Telefon Ab L M Codificación/descodificación de la transformada de señales armónicas de audio
CN105976824B (zh) 2012-12-06 2021-06-08 华为技术有限公司 信号解码的方法和设备
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
EP3117432B1 (en) 2014-03-14 2019-05-08 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
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
WO2016160403A1 (en) * 2015-03-27 2016-10-06 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
US12586592B2 (en) * 2022-05-30 2026-03-24 Ribbon Communications Operating Company, Inc. Methods and apparatus for generating audio fingerprints for calls using power spectral density values

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US7983909B2 (en) * 2003-09-15 2011-07-19 Intel Corporation Method and apparatus for encoding audio data
US7953605B2 (en) * 2005-10-07 2011-05-31 Deepen Sinha Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension
RU2409874C9 (ru) * 2005-11-04 2011-05-20 Нокиа Корпорейшн Сжатие звуковых сигналов
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
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US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
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CN101552005A (zh) * 2008-04-03 2009-10-07 华为技术有限公司 编码方法、解码方法、系统及装置
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PL2346029T3 (pl) * 2008-07-11 2013-11-29 Fraunhofer Ges Forschung Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy
RU2621965C2 (ru) * 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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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CN104221082B (zh) * 2012-03-29 2017-03-08 瑞典爱立信有限公司 谐波音频信号的带宽扩展
ES2703873T3 (es) * 2012-03-29 2019-03-12 Ericsson Telefon Ab L M Codificación/descodificación de la transformada de señales armónicas de audio

Also Published As

Publication number Publication date
ES2635422T3 (es) 2017-10-03
CN107591157B (zh) 2020-12-22
RU2017139868A (ru) 2019-05-16
HUE033069T2 (hu) 2017-11-28
CN104254885A (zh) 2014-12-31
US20240321283A1 (en) 2024-09-26
RU2017139868A3 (pl) 2021-01-22
US20200143818A1 (en) 2020-05-07
RU2744477C2 (ru) 2021-03-10
WO2013147666A1 (en) 2013-10-03
KR20190075154A (ko) 2019-06-28
CN107591157A (zh) 2018-01-16
EP2831874B1 (en) 2017-05-03
PL3220390T3 (pl) 2019-02-28
US12027175B2 (en) 2024-07-02
RU2014143518A (ru) 2016-05-20
RU2637994C1 (ru) 2017-12-08
KR102123770B1 (ko) 2020-06-16
TR201815245T4 (tr) 2018-11-21
US10566003B2 (en) 2020-02-18
US11264041B2 (en) 2022-03-01
DK2831874T3 (en) 2017-06-26
EP3220390A1 (en) 2017-09-20
US20160343381A1 (en) 2016-11-24
US20150046171A1 (en) 2015-02-12
EP2831874A1 (en) 2015-02-04
PT3220390T (pt) 2018-11-06
KR20190084131A (ko) 2019-07-15
KR102136038B1 (ko) 2020-07-20
US9437204B2 (en) 2016-09-06
RU2611017C2 (ru) 2017-02-17
KR20140130248A (ko) 2014-11-07
EP3220390B1 (en) 2018-09-26
US20220139408A1 (en) 2022-05-05
CN104254885B (zh) 2017-10-13
ES2703873T3 (es) 2019-03-12

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