DE60310716T8 - System für die audiokodierung mit füllung von spektralen lücken - Google Patents

System für die audiokodierung mit füllung von spektralen lücken Download PDF

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Publication number
DE60310716T8
DE60310716T8 DE60310716T DE60310716T DE60310716T8 DE 60310716 T8 DE60310716 T8 DE 60310716T8 DE 60310716 T DE60310716 T DE 60310716T DE 60310716 T DE60310716 T DE 60310716T DE 60310716 T8 DE60310716 T8 DE 60310716T8
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Prior art keywords
spectral components
generating
signal
subband signals
subband
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DE60310716T2 (de
DE60310716D1 (de
Inventor
Michael Mead Missouri City TRUMAN
Grant Allen San Francisco DAVIDSON
Matthew Conrad San Francisco FELLERS
Mark Stuart San Francisco Vinton
Matthew Aubrey Sugar Land WATSON
Charles Quito San Francisco Robinson
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Stereophonic System (AREA)
  • Adornments (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Communication System (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE60310716T 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken Active DE60310716T8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US174493 1993-12-28
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
PCT/US2003/017078 WO2003107328A1 (en) 2002-06-17 2003-05-30 Audio coding system using spectral hole filling

Publications (3)

Publication Number Publication Date
DE60310716D1 DE60310716D1 (de) 2007-02-08
DE60310716T2 DE60310716T2 (de) 2007-10-11
DE60310716T8 true DE60310716T8 (de) 2008-01-31

Family

ID=29733607

Family Applications (3)

Application Number Title Priority Date Filing Date
DE60333316T Expired - Lifetime DE60333316D1 (de) 2002-06-17 2003-05-30 Verfahren zur Erzeugung von Toninformationen
DE60310716T Active DE60310716T8 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken
DE60332833T Expired - Lifetime DE60332833D1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60333316T Expired - Lifetime DE60333316D1 (de) 2002-06-17 2003-05-30 Verfahren zur Erzeugung von Toninformationen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60332833T Expired - Lifetime DE60332833D1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Country Status (20)

Country Link
US (4) US7447631B2 (de)
EP (6) EP1514261B1 (de)
JP (6) JP4486496B2 (de)
KR (5) KR100991448B1 (de)
CN (1) CN100369109C (de)
AT (7) ATE473503T1 (de)
CA (6) CA2735830C (de)
DE (3) DE60333316D1 (de)
DK (3) DK1736966T3 (de)
ES (1) ES2275098T3 (de)
HK (6) HK1070728A1 (de)
IL (2) IL165650A (de)
MX (1) MXPA04012539A (de)
MY (2) MY159022A (de)
PL (1) PL208344B1 (de)
PT (1) PT2216777E (de)
SG (3) SG177013A1 (de)
SI (2) SI2209115T1 (de)
TW (1) TWI352969B (de)
WO (1) WO2003107328A1 (de)

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