HK1170331A1 - Bandwidth extension encoders, bandwidth extension decoder and phase vocoder, as well as corresponding methods and computer program - Google Patents

Bandwidth extension encoders, bandwidth extension decoder and phase vocoder, as well as corresponding methods and computer program

Info

Publication number
HK1170331A1
HK1170331A1 HK12111016.3A HK12111016A HK1170331A1 HK 1170331 A1 HK1170331 A1 HK 1170331A1 HK 12111016 A HK12111016 A HK 12111016A HK 1170331 A1 HK1170331 A1 HK 1170331A1
Authority
HK
Hong Kong
Prior art keywords
bandwidth extension
well
computer program
corresponding methods
encoders
Prior art date
Application number
HK12111016.3A
Other languages
English (en)
Chinese (zh)
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 HK1170331A1 publication Critical patent/HK1170331A1/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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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)
HK12111016.3A 2009-06-29 2012-11-01 Bandwidth extension encoders, bandwidth extension decoder and phase vocoder, as well as corresponding methods and computer program HK1170331A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22144209P 2009-06-29 2009-06-29
EP10153530A EP2273493B1 (en) 2009-06-29 2010-02-12 Bandwidth extension encoding and decoding
PCT/EP2010/059025 WO2011000780A1 (en) 2009-06-29 2010-06-24 Bandwidth extension encoder, bandwidth extension decoder and phase vocoder

Publications (1)

Publication Number Publication Date
HK1170331A1 true HK1170331A1 (en) 2013-02-22

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 Before (1)

Application Number Title Priority Date Filing Date
HK11107088.5A HK1153035A1 (en) 2009-06-29 2011-07-08 Bandwidth extension encoding and decoding

Country Status (14)

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

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CN111312278B (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
KR102386736B1 (ko) * 2014-03-03 2022-04-14 삼성전자주식회사 대역폭 확장을 위한 고주파 복호화 방법 및 장치
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Also Published As

Publication number Publication date
US8606586B2 (en) 2013-12-10
AU2010268160B2 (en) 2014-03-06
PL2449554T3 (pl) 2015-08-31
CA2856587C (en) 2016-09-13
MX2011013610A (es) 2012-03-26
PL2273493T3 (pl) 2013-07-31
EP2273493A1 (en) 2011-01-12
CA2766573C (en) 2015-06-23
KR20120031957A (ko) 2012-04-04
EP2449554A1 (en) 2012-05-09
CN102473414A (zh) 2012-05-23
CA2766573A1 (en) 2011-01-06
ES2400661T3 (es) 2013-04-11
JP2012531632A (ja) 2012-12-10
BRPI1010165A2 (pt) 2016-03-29
JP5329714B2 (ja) 2013-10-30
ES2534944T3 (es) 2015-04-30
CN102473414B (zh) 2013-11-06
EP2273493B1 (en) 2012-12-19
KR101425157B1 (ko) 2014-08-01
US20120158409A1 (en) 2012-06-21
CA2856587A1 (en) 2011-01-06
EP2449554B1 (en) 2015-03-25
BRPI1010165B1 (pt) 2021-01-05
RU2012102411A (ru) 2013-08-20
AU2010268160A1 (en) 2012-02-02
WO2011000780A1 (en) 2011-01-06
RU2563164C2 (ru) 2015-09-20
HK1153035A1 (en) 2012-03-16

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