ATE264533T1 - Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern - Google Patents

Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern

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Publication number
ATE264533T1
ATE264533T1 AT01983041T AT01983041T ATE264533T1 AT E264533 T1 ATE264533 T1 AT E264533T1 AT 01983041 T AT01983041 T AT 01983041T AT 01983041 T AT01983041 T AT 01983041T AT E264533 T1 ATE264533 T1 AT E264533T1
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Austria
Prior art keywords
high frequency
adaptive filtering
improving
frequency reconstruction
coding methods
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AT01983041T
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English (en)
Inventor
Kristofer Kjoerling
Per Ekstrand
Fredrik Henn
Lars Villemoes
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Coding Tech Ab
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Publication of ATE264533T1 publication Critical patent/ATE264533T1/de

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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
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT01983041T 2000-11-14 2001-11-13 Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern ATE264533T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0004163A SE0004163D0 (sv) 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
PCT/SE2001/002510 WO2002041301A1 (en) 2000-11-14 2001-11-13 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering

Publications (1)

Publication Number Publication Date
ATE264533T1 true ATE264533T1 (de) 2004-04-15

Family

ID=20281813

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01983041T ATE264533T1 (de) 2000-11-14 2001-11-13 Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern

Country Status (13)

Country Link
US (2) US7003451B2 (de)
EP (1) EP1342230B1 (de)
JP (2) JP3954495B2 (de)
KR (1) KR100517229B1 (de)
CN (2) CN1766993B (de)
AT (1) ATE264533T1 (de)
AU (1) AU2002214496A1 (de)
DE (1) DE60102838T2 (de)
DK (1) DK1342230T3 (de)
ES (1) ES2215935T3 (de)
PT (1) PT1342230E (de)
SE (1) SE0004163D0 (de)
WO (1) WO2002041301A1 (de)

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PT1342230E (pt) 2004-09-30
CN1481545A (zh) 2004-03-10
DK1342230T3 (da) 2004-08-02
CN1766993B (zh) 2011-07-27
SE0004163D0 (sv) 2000-11-14
JP3954495B2 (ja) 2007-08-08
CN1267890C (zh) 2006-08-02
EP1342230A1 (de) 2003-09-10
US20060036432A1 (en) 2006-02-16
EP1342230B1 (de) 2004-04-14
US7003451B2 (en) 2006-02-21
JP2006079106A (ja) 2006-03-23
JP2004514179A (ja) 2004-05-13
KR100517229B1 (ko) 2005-09-27
KR20030062338A (ko) 2003-07-23
DE60102838D1 (de) 2004-05-19
DE60102838T2 (de) 2005-04-21
US20020087304A1 (en) 2002-07-04
US7433817B2 (en) 2008-10-07
CN1766993A (zh) 2006-05-03

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