DK2207169T3 - Audiodekodning til fyldning af spektralhuller - Google Patents

Audiodekodning til fyldning af spektralhuller

Info

Publication number
DK2207169T3
DK2207169T3 DK10159809.2T DK10159809T DK2207169T3 DK 2207169 T3 DK2207169 T3 DK 2207169T3 DK 10159809 T DK10159809 T DK 10159809T DK 2207169 T3 DK2207169 T3 DK 2207169T3
Authority
DK
Denmark
Prior art keywords
spectral components
generating
signal
subband signals
subband
Prior art date
Application number
DK10159809.2T
Other languages
English (en)
Inventor
Grant Allen Davidson
Michael Mead Truman
Matthew Conrad Fellers
Mark Stuart Vinton
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Priority claimed from EP03760242A external-priority patent/EP1514263B1/en
Application granted granted Critical
Publication of DK2207169T3 publication Critical patent/DK2207169T3/da

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
    • 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
    • G10L19/035—Scalar quantisation
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Stereophonic System (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Optical Communication System (AREA)
  • Adornments (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DK10159809.2T 2002-06-17 2003-06-09 Audiodekodning til fyldning af spektralhuller DK2207169T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
US10/238,047 US7337118B2 (en) 2002-06-17 2002-09-06 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
EP03760242A EP1514263B1 (en) 2002-06-17 2003-06-09 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components

Publications (1)

Publication Number Publication Date
DK2207169T3 true DK2207169T3 (da) 2012-02-06

Family

ID=29733607

Family Applications (3)

Application Number Title Priority Date Filing Date
DK06020757.8T DK1736966T3 (da) 2002-06-17 2003-05-30 Fremgangsmåde til frembringelse af lydinformation
DK03736761T DK1514261T3 (da) 2002-06-17 2003-05-30 Audiokodningssystem, der anvender udfyldning af spektrale huller
DK10159809.2T DK2207169T3 (da) 2002-06-17 2003-06-09 Audiodekodning til fyldning af spektralhuller

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK06020757.8T DK1736966T3 (da) 2002-06-17 2003-05-30 Fremgangsmåde til frembringelse af lydinformation
DK03736761T DK1514261T3 (da) 2002-06-17 2003-05-30 Audiokodningssystem, der anvender udfyldning af spektrale huller

Country Status (19)

Country Link
US (4) US7447631B2 (da)
EP (6) EP1514261B1 (da)
JP (6) JP4486496B2 (da)
KR (5) KR100991448B1 (da)
CN (1) CN100369109C (da)
AT (7) ATE536615T1 (da)
CA (6) CA2736055C (da)
DE (3) DE60333316D1 (da)
DK (3) DK1736966T3 (da)
ES (1) ES2275098T3 (da)
IL (2) IL165650A (da)
MX (1) MXPA04012539A (da)
MY (2) MY136521A (da)
PL (1) PL208344B1 (da)
PT (1) PT2216777E (da)
SG (3) SG2014005300A (da)
SI (2) SI2209115T1 (da)
TW (1) TWI352969B (da)
WO (1) WO2003107328A1 (da)

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