HK1153035A1 - Bandwidth extension encoding and decoding - Google Patents

Bandwidth extension encoding and decoding

Info

Publication number
HK1153035A1
HK1153035A1 HK11107088.5A HK11107088A HK1153035A1 HK 1153035 A1 HK1153035 A1 HK 1153035A1 HK 11107088 A HK11107088 A HK 11107088A HK 1153035 A1 HK1153035 A1 HK 1153035A1
Authority
HK
Hong Kong
Prior art keywords
decoding
bandwidth extension
extension encoding
encoding
bandwidth
Prior art date
Application number
HK11107088.5A
Other languages
English (en)
Inventor
Frederik Nagel
Markus Multrus
Sascha Disch
Jeremie Lecomte
Christian Ertel
Patrick Warmbold
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1153035A1 publication Critical patent/HK1153035A1/xx

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
    • G10L19/02—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
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/00—Speech 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
    • G10L21/04—Time compression or expansion
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK11107088.5A 2009-06-29 2011-07-08 Bandwidth extension encoding and decoding HK1153035A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22144209P 2009-06-29 2009-06-29

Publications (1)

Publication Number Publication Date
HK1153035A1 true HK1153035A1 (en) 2012-03-16

Family

ID=42537947

Family Applications (2)

Application Number Title Priority Date Filing Date
HK11107088.5A HK1153035A1 (en) 2009-06-29 2011-07-08 Bandwidth extension encoding and decoding
HK12111016.3A HK1170331A1 (en) 2009-06-29 2012-11-01 Bandwidth extension encoders, bandwidth extension decoder and phase vocoder, as well as corresponding methods and computer program

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK12111016.3A HK1170331A1 (en) 2009-06-29 2012-11-01 Bandwidth extension encoders, bandwidth extension decoder and phase vocoder, as well as corresponding methods and computer program

Country Status (14)

Country Link
US (1) US8606586B2 (fr)
EP (2) EP2273493B1 (fr)
JP (1) JP5329714B2 (fr)
KR (1) KR101425157B1 (fr)
CN (1) CN102473414B (fr)
AU (1) AU2010268160B2 (fr)
BR (1) BRPI1010165B1 (fr)
CA (2) CA2856587C (fr)
ES (2) ES2400661T3 (fr)
HK (2) HK1153035A1 (fr)
MX (1) MX2011013610A (fr)
PL (2) PL2273493T3 (fr)
RU (1) RU2563164C2 (fr)
WO (1) WO2011000780A1 (fr)

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CN103714822B (zh) * 2013-12-27 2017-01-11 广州华多网络科技有限公司 基于silk编解码器的子带编解码方法及装置
WO2015133795A1 (fr) * 2014-03-03 2015-09-11 삼성전자 주식회사 Procédé et appareil de décodage haute fréquence pour une extension de bande passante
CN111312277B (zh) 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
CN111105806B (zh) 2014-03-24 2024-04-26 三星电子株式会社 高频带编码方法和装置，以及高频带解码方法和装置
BR112016019838B1 (pt) * 2014-03-31 2023-02-23 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método de codificação, método de decodificação e mídia de registro legível por computador não transitória
KR102191506B1 (ko) * 2014-05-14 2020-12-16 삼성전자주식회사 통신 시스템에서 송신 신호 처리 장치 및 방법
CN110083221A (zh) * 2014-06-09 2019-08-02 威盛电子股份有限公司 电子装置及音频播放方法
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EP2980795A1 (fr) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codage et décodage audio à l'aide d'un processeur de domaine fréquentiel, processeur de domaine temporel et processeur transversal pour l'initialisation du processeur de domaine temporel
JP2016038435A (ja) * 2014-08-06 2016-03-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
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Also Published As

Publication number Publication date
MX2011013610A (es) 2012-03-26
CA2856587A1 (fr) 2011-01-06
CN102473414A (zh) 2012-05-23
JP2012531632A (ja) 2012-12-10
AU2010268160B2 (en) 2014-03-06
PL2449554T3 (pl) 2015-08-31
WO2011000780A1 (fr) 2011-01-06
US8606586B2 (en) 2013-12-10
CA2766573A1 (fr) 2011-01-06
CA2766573C (fr) 2015-06-23
EP2273493B1 (fr) 2012-12-19
ES2534944T3 (es) 2015-04-30
BRPI1010165A2 (pt) 2016-03-29
EP2273493A1 (fr) 2011-01-12
KR20120031957A (ko) 2012-04-04
HK1170331A1 (en) 2013-02-22
PL2273493T3 (pl) 2013-07-31
ES2400661T3 (es) 2013-04-11
EP2449554B1 (fr) 2015-03-25
KR101425157B1 (ko) 2014-08-01
RU2012102411A (ru) 2013-08-20
RU2563164C2 (ru) 2015-09-20
BRPI1010165B1 (pt) 2021-01-05
EP2449554A1 (fr) 2012-05-09
CN102473414B (zh) 2013-11-06
JP5329714B2 (ja) 2013-10-30
AU2010268160A1 (en) 2012-02-02
CA2856587C (fr) 2016-09-13
US20120158409A1 (en) 2012-06-21

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