ATE265731T1 - Verbesserung von quellcodierungssystemen durch adaptive transposition - Google Patents

Verbesserung von quellcodierungssystemen durch adaptive transposition

Info

Publication number
ATE265731T1
ATE265731T1 AT01272413T AT01272413T ATE265731T1 AT E265731 T1 ATE265731 T1 AT E265731T1 AT 01272413 T AT01272413 T AT 01272413T AT 01272413 T AT01272413 T AT 01272413T AT E265731 T1 ATE265731 T1 AT E265731T1
Authority
AT
Austria
Prior art keywords
source coding
coding systems
improvement
adaptive
transposers
Prior art date
Application number
AT01272413T
Other languages
English (en)
Inventor
Kristofer Kjoerling
Fredrik Henn
Per Ekstrand
Lars Villemoes
Original Assignee
Coding Tech Ab
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 Coding Tech Ab filed Critical Coding Tech Ab
Application granted granted Critical
Publication of ATE265731T1 publication Critical patent/ATE265731T1/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
    • 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
    • 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

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT01272413T 2000-12-22 2001-12-19 Verbesserung von quellcodierungssystemen durch adaptive transposition ATE265731T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0004818A SE0004818D0 (sv) 2000-12-22 2000-12-22 Enhancing source coding systems by adaptive transposition
PCT/SE2001/002828 WO2002052545A1 (en) 2000-12-22 2001-12-19 Enhancing source coding systems by adaptive transposition

Publications (1)

Publication Number Publication Date
ATE265731T1 true ATE265731T1 (de) 2004-05-15

Family

ID=20282398

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01272413T ATE265731T1 (de) 2000-12-22 2001-12-19 Verbesserung von quellcodierungssystemen durch adaptive transposition

Country Status (9)

Country Link
US (1) US7260520B2 (de)
EP (1) EP1338000B1 (de)
JP (1) JP3992619B2 (de)
KR (1) KR100566630B1 (de)
CN (1) CN1223990C (de)
AT (1) ATE265731T1 (de)
DE (1) DE60103086T2 (de)
SE (1) SE0004818D0 (de)
WO (1) WO2002052545A1 (de)

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KR101108955B1 (ko) * 2008-09-25 2012-02-06 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
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ES3025712T3 (en) 2010-01-19 2025-06-09 Dolby Int Ab Improved subband block based harmonic transposition
CN103069484B (zh) * 2010-04-14 2014-10-08 华为技术有限公司 时/频二维后处理
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
KR101964180B1 (ko) * 2010-07-19 2019-04-01 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
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Also Published As

Publication number Publication date
DE60103086T2 (de) 2005-01-20
KR100566630B1 (ko) 2006-03-31
KR20040029314A (ko) 2004-04-06
HK1056428A1 (en) 2004-02-13
CN1223990C (zh) 2005-10-19
US7260520B2 (en) 2007-08-21
EP1338000A1 (de) 2003-08-27
WO2002052545A1 (en) 2002-07-04
JP3992619B2 (ja) 2007-10-17
US20020118845A1 (en) 2002-08-29
JP2004517358A (ja) 2004-06-10
CN1481546A (zh) 2004-03-10
SE0004818D0 (sv) 2000-12-22
EP1338000B1 (de) 2004-04-28
DE60103086D1 (de) 2004-06-03

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