ATE473503T1 - Verfahren zur erzeugung von toninformationen - Google Patents

Verfahren zur erzeugung von toninformationen

Info

Publication number
ATE473503T1
ATE473503T1 AT06020757T AT06020757T ATE473503T1 AT E473503 T1 ATE473503 T1 AT E473503T1 AT 06020757 T AT06020757 T AT 06020757T AT 06020757 T AT06020757 T AT 06020757T AT E473503 T1 ATE473503 T1 AT E473503T1
Authority
AT
Austria
Prior art keywords
spectral components
generating
signal
subband signals
subband
Prior art date
Application number
AT06020757T
Other languages
English (en)
Inventor
Michael Mead Truman
Grant Allen Davidson
Matthew Conrad Fellers
Mark Stuart Vinton
Matthew Aubrey Watson
Charles Quito Robinson
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
Application granted granted Critical
Publication of ATE473503T1 publication Critical patent/ATE473503T1/de

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)
  • 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)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Communication System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
AT06020757T 2002-06-17 2003-05-30 Verfahren zur erzeugung von toninformationen ATE473503T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE473503T1 true ATE473503T1 (de) 2010-07-15

Family

ID=29733607

Family Applications (7)

Application Number Title Priority Date Filing Date
AT10162216T ATE526661T1 (de) 2002-06-17 2003-05-30 System für die audiodekodierung mit füllung von spektralen lücken
AT03736761T ATE349754T1 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken
AT10162217T ATE536615T1 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken
AT06020757T ATE473503T1 (de) 2002-06-17 2003-05-30 Verfahren zur erzeugung von toninformationen
AT10159810T ATE529859T1 (de) 2002-06-17 2003-06-09 System für die audiokodierung mit füllung von spektralen lücken
AT10159809T ATE529858T1 (de) 2002-06-17 2003-06-09 Audiodekodierung mit füllung von spektralen lücken
AT03760242T ATE470220T1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Family Applications Before (3)

Application Number Title Priority Date Filing Date
AT10162216T ATE526661T1 (de) 2002-06-17 2003-05-30 System für die audiodekodierung mit füllung von spektralen lücken
AT03736761T ATE349754T1 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken
AT10162217T ATE536615T1 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken

Family Applications After (3)

Application Number Title Priority Date Filing Date
AT10159810T ATE529859T1 (de) 2002-06-17 2003-06-09 System für die audiokodierung mit füllung von spektralen lücken
AT10159809T ATE529858T1 (de) 2002-06-17 2003-06-09 Audiodekodierung mit füllung von spektralen lücken
AT03760242T ATE470220T1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Country Status (19)

Country Link
US (4) US7447631B2 (de)
EP (6) EP1514261B1 (de)
JP (6) JP4486496B2 (de)
KR (5) KR100991448B1 (de)
CN (1) CN100369109C (de)
AT (7) ATE526661T1 (de)
CA (6) CA2489441C (de)
DE (3) DE60333316D1 (de)
DK (3) DK1514261T3 (de)
ES (1) ES2275098T3 (de)
IL (2) IL165650A (de)
MX (1) MXPA04012539A (de)
MY (2) MY136521A (de)
PL (1) PL208344B1 (de)
PT (1) PT2216777E (de)
SG (3) SG2014005300A (de)
SI (2) SI2209115T1 (de)
TW (1) TWI352969B (de)
WO (1) WO2003107328A1 (de)

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