BR112014008376A2 - codificação/decodificação de áudio baseada em uma representação eficaz de coeficientes autorregressivos - Google Patents

codificação/decodificação de áudio baseada em uma representação eficaz de coeficientes autorregressivos

Info

Publication number
BR112014008376A2
BR112014008376A2 BR112014008376A BR112014008376A BR112014008376A2 BR 112014008376 A2 BR112014008376 A2 BR 112014008376A2 BR 112014008376 A BR112014008376 A BR 112014008376A BR 112014008376 A BR112014008376 A BR 112014008376A BR 112014008376 A2 BR112014008376 A2 BR 112014008376A2
Authority
BR
Brazil
Prior art keywords
audio coding
decoding based
effective representation
autoregressive coefficients
autoregressive
Prior art date
Application number
BR112014008376A
Other languages
English (en)
Other versions
BR112014008376B1 (pt
Inventor
Sverrisson Sigurdur
Grancharov Volodya
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 BR112014008376A2 publication Critical patent/BR112014008376A2/pt
Publication of BR112014008376B1 publication Critical patent/BR112014008376B1/pt

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
    • G10L19/02Speech 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
    • 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
    • G10L19/0204Speech 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 subband decomposition
    • 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
    • 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L2019/0001Codebooks
    • G10L2019/0007Codebook element generation
    • G10L2019/001Interpolation of codebook vectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
BR112014008376-2A 2011-11-02 2012-05-15 codificação/decodificação de áudio baseada em uma representação eficaz de coeficientes autorregressivos BR112014008376B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161554647P 2011-11-02 2011-11-02
US61/554,647 2011-11-02
PCT/SE2012/050520 WO2013066236A2 (en) 2011-11-02 2012-05-15 Audio encoding/decoding based on an efficient representation of auto-regressive coefficients

Publications (2)

Publication Number Publication Date
BR112014008376A2 true BR112014008376A2 (pt) 2017-04-18
BR112014008376B1 BR112014008376B1 (pt) 2021-01-05

Family

ID=48192964

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014008376-2A BR112014008376B1 (pt) 2011-11-02 2012-05-15 codificação/decodificação de áudio baseada em uma representação eficaz de coeficientes autorregressivos

Country Status (10)

Country Link
US (5) US9269364B2 (pt)
EP (3) EP2774146B1 (pt)
CN (1) CN103918028B (pt)
AU (1) AU2012331680B2 (pt)
BR (1) BR112014008376B1 (pt)
DK (1) DK3040988T3 (pt)
ES (3) ES2657802T3 (pt)
NO (1) NO2737459T3 (pt)
PL (2) PL3040988T3 (pt)
WO (1) WO2013066236A2 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2774146B1 (en) * 2011-11-02 2016-07-06 Telefonaktiebolaget LM Ericsson (publ) Audio encoding based on an efficient representation of auto-regressive coefficients
KR101761099B1 (ko) 2013-05-24 2017-07-25 돌비 인터네셔널 에이비 오디오 인코딩 및 디코딩 방법들, 대응하는 컴퓨터-판독 가능한 매체들 및 대응하는 오디오 인코더 및 디코더
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
CN104517611B (zh) * 2013-09-26 2016-05-25 华为技术有限公司 一种高频激励信号预测方法及装置
CN104517610B (zh) * 2013-09-26 2018-03-06 华为技术有限公司 频带扩展的方法及装置
US9959876B2 (en) * 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
CN113556135B (zh) * 2021-07-27 2023-08-01 东南大学 基于冻结翻转列表的极化码置信传播比特翻转译码方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200200103T1 (tr) * 2000-05-17 2002-06-21 Koninklijke Philips Electronics N. V. Spektrum modelleme
JP2004513399A (ja) * 2000-11-09 2004-04-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 知覚品質を高める電話スピーチの広帯域拡張
RU2006137841A (ru) 2004-04-27 2008-05-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство масштабируемого кодирования, устройство масштабируемого декодирования и способ для этого
KR20070051857A (ko) * 2004-08-17 2007-05-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 스케일러블 오디오 코딩
WO2006028010A1 (ja) * 2004-09-06 2006-03-16 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
KR20070085982A (ko) * 2004-12-10 2007-08-27 마츠시타 덴끼 산교 가부시키가이샤 광대역 부호화 장치, 광대역 lsp 예측 장치, 대역스케일러블 부호화 장치 및 광대역 부호화 방법
KR101565919B1 (ko) * 2006-11-17 2015-11-05 삼성전자주식회사 고주파수 신호 부호화 및 복호화 방법 및 장치
ES2966639T3 (es) * 2009-01-16 2024-04-23 Dolby Int Ab Transposición armónica mejorada de producto cruzado
EP2774146B1 (en) * 2011-11-02 2016-07-06 Telefonaktiebolaget LM Ericsson (publ) Audio encoding based on an efficient representation of auto-regressive coefficients

Also Published As

Publication number Publication date
EP2774146B1 (en) 2016-07-06
PL3040988T3 (pl) 2018-03-30
US20160155450A1 (en) 2016-06-02
US9269364B2 (en) 2016-02-23
US11011181B2 (en) 2021-05-18
EP3279895A1 (en) 2018-02-07
NO2737459T3 (pt) 2018-09-08
EP3040988A1 (en) 2016-07-06
EP3040988B1 (en) 2017-10-25
ES2749967T3 (es) 2020-03-24
AU2012331680A1 (en) 2014-05-22
WO2013066236A2 (en) 2013-05-10
EP3279895B1 (en) 2019-07-10
US20210201924A1 (en) 2021-07-01
CN103918028B (zh) 2016-09-14
ES2657802T3 (es) 2018-03-06
WO2013066236A3 (en) 2013-07-11
EP2774146A2 (en) 2014-09-10
ES2592522T3 (es) 2016-11-30
US20140249828A1 (en) 2014-09-04
PL3279895T3 (pl) 2020-03-31
DK3040988T3 (en) 2018-01-08
US11594236B2 (en) 2023-02-28
EP2774146A4 (en) 2015-05-13
AU2012331680B2 (en) 2016-03-03
US20230178087A1 (en) 2023-06-08
CN103918028A (zh) 2014-07-09
BR112014008376B1 (pt) 2021-01-05
US20200243098A1 (en) 2020-07-30

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (SE)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/05/2012, OBSERVADAS AS CONDICOES LEGAIS.