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

    • 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
    • G10L19/02—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
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/038—Vector 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 (es)

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 (es) 2015-04-24

Family

ID=47221519

Family Applications (1)

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

Country Status (13)

Country Link
US (5) US9437204B2 (es)
EP (2) EP2831874B1 (es)
KR (3) KR20140130248A (es)
CN (2) CN104254885B (es)
DK (1) DK2831874T3 (es)
ES (2) ES2703873T3 (es)
HU (1) HUE033069T2 (es)
IN (1) IN2014DN07433A (es)
PL (1) PL3220390T3 (es)
PT (1) PT3220390T (es)
RU (3) RU2611017C2 (es)
TR (1) TR201815245T4 (es)
WO (1) WO2013147666A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2703873T3 (es) * 2012-03-29 2019-03-12 Ericsson Telefon Ab L M Codificación/descodificación de la transformada de señales armónicas de audio
EP4521350B1 (en) * 2012-03-29 2026-07-22 Telefonaktiebolaget LM Ericsson (publ) Vector quantizer
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
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
CN110808056B (zh) 2014-03-14 2023-10-17 瑞典爱立信有限公司 音频编码方法和装置
CN106409300B (zh) 2014-03-19 2019-12-24 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
CN117476013A (zh) * 2022-07-27 2024-01-30 华为技术有限公司 音频信号的处理方法、装置、存储介质及计算机程序产品

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6263312B1 (en) * 1997-10-03 2001-07-17 Alaris, Inc. Audio compression and decompression employing subband decomposition of residual signal and distortion reduction
AU2003302486A1 (en) * 2003-09-15 2005-04-06 Zakrytoe Aktsionernoe Obschestvo Intel Method and apparatus for encoding audio
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
US8990073B2 (en) * 2007-06-22 2015-03-24 Voiceage Corporation Method and device for sound activity detection and sound signal classification
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
WO2009114656A1 (en) * 2008-03-14 2009-09-17 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
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
EP2107556A1 (en) * 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
EP2311033B1 (en) * 2008-07-11 2011-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Providing a time warp activation signal and encoding an audio signal therewith
EP2346029B1 (en) * 2008-07-11 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, method for encoding an audio signal and corresponding computer program
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
JP5316896B2 (ja) * 2010-03-17 2013-10-16 ソニー株式会社 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム
US9236063B2 (en) * 2010-07-30 2016-01-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dynamic bit allocation
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN102208188B (zh) * 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
KR101740219B1 (ko) * 2012-03-29 2017-05-25 텔레폰악티에볼라겟엘엠에릭슨(펍) 고조파 오디오 시그널의 대역폭 연장
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
KR102136038B1 (ko) 2020-07-20
PL3220390T3 (pl) 2019-02-28
RU2637994C1 (ru) 2017-12-08
EP3220390B1 (en) 2018-09-26
TR201815245T4 (tr) 2018-11-21
ES2635422T3 (es) 2017-10-03
KR20140130248A (ko) 2014-11-07
RU2611017C2 (ru) 2017-02-17
CN104254885A (zh) 2014-12-31
CN107591157A (zh) 2018-01-16
KR102123770B1 (ko) 2020-06-16
KR20190075154A (ko) 2019-06-28
HUE033069T2 (hu) 2017-11-28
EP2831874A1 (en) 2015-02-04
KR20190084131A (ko) 2019-07-15
US20240321283A1 (en) 2024-09-26
DK2831874T3 (en) 2017-06-26
US20220139408A1 (en) 2022-05-05
US9437204B2 (en) 2016-09-06
EP2831874B1 (en) 2017-05-03
RU2017139868A3 (es) 2021-01-22
US20160343381A1 (en) 2016-11-24
US20150046171A1 (en) 2015-02-12
CN104254885B (zh) 2017-10-13
RU2744477C2 (ru) 2021-03-10
US12027175B2 (en) 2024-07-02
RU2014143518A (ru) 2016-05-20
WO2013147666A1 (en) 2013-10-03
RU2017139868A (ru) 2019-05-16
US10566003B2 (en) 2020-02-18
US20200143818A1 (en) 2020-05-07
CN107591157B (zh) 2020-12-22
EP3220390A1 (en) 2017-09-20
US11264041B2 (en) 2022-03-01
PT3220390T (pt) 2018-11-06
ES2703873T3 (es) 2019-03-12

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