ATE316679T1 - Encodier- und/oder decodierverfahren für digitale audiosignale, basierend auf zeit- frequenzkorrelation und vorrichtung hierzu - Google Patents

Encodier- und/oder decodierverfahren für digitale audiosignale, basierend auf zeit- frequenzkorrelation und vorrichtung hierzu

Info

Publication number
ATE316679T1
ATE316679T1 AT03257940T AT03257940T ATE316679T1 AT E316679 T1 ATE316679 T1 AT E316679T1 AT 03257940 T AT03257940 T AT 03257940T AT 03257940 T AT03257940 T AT 03257940T AT E316679 T1 ATE316679 T1 AT E316679T1
Authority
AT
Austria
Prior art keywords
digital audio
time
decoding method
encoding
audio signals
Prior art date
Application number
AT03257940T
Other languages
English (en)
Inventor
Mathew Manu
Ki-Seok Chang
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of ATE316679T1 publication Critical patent/ATE316679T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (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)
AT03257940T 2002-12-23 2003-12-17 Encodier- und/oder decodierverfahren für digitale audiosignale, basierend auf zeit- frequenzkorrelation und vorrichtung hierzu ATE316679T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2002-0082380A KR100524065B1 (ko) 2002-12-23 2002-12-23 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치

Publications (1)

Publication Number Publication Date
ATE316679T1 true ATE316679T1 (de) 2006-02-15

Family

ID=36089201

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03257940T ATE316679T1 (de) 2002-12-23 2003-12-17 Encodier- und/oder decodierverfahren für digitale audiosignale, basierend auf zeit- frequenzkorrelation und vorrichtung hierzu

Country Status (7)

Country Link
US (1) US20040176961A1 (de)
EP (1) EP1441330B1 (de)
JP (1) JP3824607B2 (de)
KR (1) KR100524065B1 (de)
CN (1) CN1249669C (de)
AT (1) ATE316679T1 (de)
DE (1) DE60303346T2 (de)

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KR100803205B1 (ko) 2005-07-15 2008-02-14 삼성전자주식회사 저비트율 오디오 신호 부호화/복호화 방법 및 장치
CN100424692C (zh) * 2005-08-31 2008-10-08 中国科学院自动化研究所 音频快速搜索方法
CN101297356B (zh) * 2005-11-04 2011-11-09 诺基亚公司 用于音频压缩的方法和设备
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
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KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
US20100111181A1 (en) * 2008-11-06 2010-05-06 Mediatek Inc. Video processing apparatus and methods
KR101320963B1 (ko) 2009-03-31 2013-10-23 후아웨이 테크놀러지 컴퍼니 리미티드 신호 잡음 제거 방법, 신호 잡음 제거 장치, 및 오디오 디코딩 시스템
ES2524428T3 (es) * 2009-06-24 2014-12-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador de señales de audio, procedimiento para decodificar una señal de audio y programa de computación que utiliza etapas en cascada de procesamiento de objetos de audio
WO2011000408A1 (en) * 2009-06-30 2011-01-06 Nokia Corporation Audio coding
EP2545553B1 (de) 2010-03-09 2014-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verarbeitung eines tonsignals mit patchgrenzenausrichtung
KR101483157B1 (ko) 2010-03-09 2015-01-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호들의 대역폭 연장에 기반한 위상 보코더의 개선된 크기 응답과 시간적 정렬을 위한 방법과 장치
PL2532002T3 (pl) * 2010-03-09 2014-06-30 Fraunhofer Ges Forschung Urządzenie, sposób i program komputerowy do przetwarzania sygnału audio
BR112012026502B1 (pt) * 2010-04-16 2022-10-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Aparelho, método para gerar um sinal de banda larga usando extensão de largura de guiada e extensão de largura de banda cega
SG10201505469SA (en) 2010-07-19 2015-08-28 Dolby Int Ab Processing of audio signals during high frequency reconstruction
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
JP6010539B2 (ja) 2011-09-09 2016-10-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法および復号方法
WO2023211443A1 (en) * 2022-04-28 2023-11-02 Innopeak Technology, Inc. Transformer-encoded speech extraction and enhancement

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Also Published As

Publication number Publication date
DE60303346T2 (de) 2006-11-02
EP1441330B1 (de) 2006-01-25
JP3824607B2 (ja) 2006-09-20
KR100524065B1 (ko) 2005-10-26
DE60303346D1 (de) 2006-04-13
CN1249669C (zh) 2006-04-05
EP1441330A2 (de) 2004-07-28
CN1510661A (zh) 2004-07-07
JP2004206129A (ja) 2004-07-22
KR20040055916A (ko) 2004-06-30
US20040176961A1 (en) 2004-09-09
EP1441330A3 (de) 2005-04-27

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