DE602004008214D1 - Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür - Google Patents

Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür

Info

Publication number
DE602004008214D1
DE602004008214D1 DE602004008214T DE602004008214T DE602004008214D1 DE 602004008214 D1 DE602004008214 D1 DE 602004008214D1 DE 602004008214 T DE602004008214 T DE 602004008214T DE 602004008214 T DE602004008214 T DE 602004008214T DE 602004008214 D1 DE602004008214 D1 DE 602004008214D1
Authority
DE
Germany
Prior art keywords
decoding
encoding
signals
methods
computer program
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE602004008214T
Other languages
English (en)
Inventor
Andrea Lorenzo Vitali
Fabrizio Simone Rovati
Torre Luigi Della
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Publication of DE602004008214D1 publication Critical patent/DE602004008214D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G10L19/0208—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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE602004008214T 2004-03-18 2004-03-18 Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür Expired - Lifetime DE602004008214D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04006489A EP1578133B1 (de) 2004-03-18 2004-03-18 Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür

Publications (1)

Publication Number Publication Date
DE602004008214D1 true DE602004008214D1 (de) 2007-09-27

Family

ID=34833632

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004008214T Expired - Lifetime DE602004008214D1 (de) 2004-03-18 2004-03-18 Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür

Country Status (3)

Country Link
US (2) US7929601B2 (de)
EP (1) EP1578133B1 (de)
DE (1) DE602004008214D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1615441A1 (de) 2004-07-06 2006-01-11 STMicroelectronics S.r.l. Kodierung mit mehrfacher Quellendarstellung kombiniert mit Kanalkodierung
US8553757B2 (en) * 2007-02-14 2013-10-08 Microsoft Corporation Forward error correction for media transmission
US8913668B2 (en) * 2008-09-29 2014-12-16 Microsoft Corporation Perceptual mechanism for the selection of residues in video coders
US8457194B2 (en) * 2008-09-29 2013-06-04 Microsoft Corporation Processing real-time video
CN101989425B (zh) * 2009-07-30 2012-05-23 华为终端有限公司 多描述音频编解码的方法、装置及系统
CN104469389B (zh) * 2014-12-09 2017-05-24 上海交通大学 基于变换下采样的低码率视频编码方法及系统
US10630747B2 (en) * 2017-12-14 2020-04-21 Agora Lab, Inc. Integer multiple description coding system
JP6962385B2 (ja) * 2018-01-17 2021-11-05 日本電信電話株式会社 符号化装置、復号装置、摩擦音判定装置、これらの方法及びプログラム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243430B1 (en) * 1998-01-09 2001-06-05 Qualcomm Incorporated Noise cancellation circuit in a quadrature downconverter
DE19907964C1 (de) * 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals
US7110953B1 (en) * 2000-06-02 2006-09-19 Agere Systems Inc. Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction
US7103669B2 (en) 2001-02-16 2006-09-05 Hewlett-Packard Development Company, L.P. Video communication method and system employing multiple state encoding and path diversity
US7158591B2 (en) * 2001-05-09 2007-01-02 Signum Concept, Inc. Recursive resampling digital filter structure for demodulating 3G wireless signals
JP4506039B2 (ja) * 2001-06-15 2010-07-21 ソニー株式会社 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム

Also Published As

Publication number Publication date
EP1578133B1 (de) 2007-08-15
US20050213658A1 (en) 2005-09-29
US8391358B2 (en) 2013-03-05
US7929601B2 (en) 2011-04-19
EP1578133A1 (de) 2005-09-21
US20110069753A1 (en) 2011-03-24

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