DE60022837D1 - Vorrichtung zur Teilbandcodierung - Google Patents

Vorrichtung zur Teilbandcodierung

Info

Publication number
DE60022837D1
DE60022837D1 DE60022837T DE60022837T DE60022837D1 DE 60022837 D1 DE60022837 D1 DE 60022837D1 DE 60022837 T DE60022837 T DE 60022837T DE 60022837 T DE60022837 T DE 60022837T DE 60022837 D1 DE60022837 D1 DE 60022837D1
Authority
DE
Germany
Prior art keywords
subband coding
subband
coding
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 - Fee Related
Application number
DE60022837T
Other languages
English (en)
Other versions
DE60022837T2 (de
Inventor
Shohei Taniguchi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60022837D1 publication Critical patent/DE60022837D1/de
Publication of DE60022837T2 publication Critical patent/DE60022837T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE2000622837 1999-07-26 2000-07-25 Vorrichtung zur Teilbandcodierung Expired - Fee Related DE60022837T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21126499A JP4287545B2 (ja) 1999-07-26 1999-07-26 サブバンド符号化方式
JP21126499 1999-07-26

Publications (2)

Publication Number Publication Date
DE60022837D1 true DE60022837D1 (de) 2006-02-09
DE60022837T2 DE60022837T2 (de) 2006-07-13

Family

ID=16603045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000622837 Expired - Fee Related DE60022837T2 (de) 1999-07-26 2000-07-25 Vorrichtung zur Teilbandcodierung

Country Status (5)

Country Link
US (1) US6693963B1 (de)
EP (1) EP1073209B1 (de)
JP (1) JP4287545B2 (de)
CA (1) CA2314421C (de)
DE (1) DE60022837T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002196792A (ja) * 2000-12-25 2002-07-12 Matsushita Electric Ind Co Ltd 音声符号化方式、音声符号化方法およびそれを用いる音声符号化装置、記録媒体、ならびに音楽配信システム
WO2002093552A1 (en) * 2001-05-11 2002-11-21 Koninklijke Philips Electronics N.V. Estimating signal power in compressed audio
US7983909B2 (en) 2003-09-15 2011-07-19 Intel Corporation Method and apparatus for encoding audio data
US7673215B2 (en) * 2004-12-17 2010-03-02 Samsung Electronics Co., Ltd. Apparatus and method for using an error correcting code to achieve data compression in a data communication network
WO2007050680A2 (en) * 2005-10-25 2007-05-03 William Marsh Rice University Method and apparatus for on-line compressed sensing
DE102006047197B3 (de) 2006-07-31 2008-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten
JP4274234B2 (ja) * 2006-12-04 2009-06-03 ソニー株式会社 圧縮データ量制御方法及び画像データ圧縮装置
JP4254867B2 (ja) * 2007-01-31 2009-04-15 ソニー株式会社 情報処理装置および方法、プログラム、並びに記録媒体
US8204744B2 (en) 2008-12-01 2012-06-19 Research In Motion Limited Optimization of MP3 audio encoding by scale factors and global quantization step size
DE102009026983A1 (de) * 2009-06-16 2010-12-30 Trident Microsystems (Far East) Ltd. Bildverarbeitungsverfahren mit einer Bewegungsschätzung und Bildverarbeitungsanordnung
PL3518234T3 (pl) 2010-11-22 2024-04-08 Ntt Docomo, Inc. Urządzenie i sposób kodowania audio
FR2973551A1 (fr) * 2011-03-29 2012-10-05 France Telecom Allocation par sous-bandes de bits de quantification de parametres d'information spatiale pour un codage parametrique
CN103544957B (zh) * 2012-07-13 2017-04-12 华为技术有限公司 音频信号的比特分配的方法和装置
CN103778918B (zh) * 2012-10-26 2016-09-07 华为技术有限公司 音频信号的比特分配的方法和装置
PL3584791T3 (pl) * 2012-11-05 2024-03-18 Panasonic Holdings Corporation Urządzenie do kodowania mowy/dźwięku oraz sposób kodowania mowy/dźwięku

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639753A1 (de) 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
NL8700985A (nl) 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
WO1995032499A1 (fr) 1994-05-25 1995-11-30 Sony Corporation Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur
US6160846A (en) * 1995-10-25 2000-12-12 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
DE69633719T2 (de) * 1996-01-12 2005-11-24 Koninklijke Philips Electronics N.V. Sender und verfahren zur übertragung eines breitbandigen, digitalen informationssignals
JP2842370B2 (ja) 1996-04-15 1999-01-06 日本電気株式会社 復号化装置および復号化方法
EP0830030A3 (de) * 1996-09-13 2002-01-30 Nec Corporation Audio- und Videodatenkompressionssystem

Also Published As

Publication number Publication date
EP1073209A3 (de) 2003-01-22
JP2001044845A (ja) 2001-02-16
EP1073209B1 (de) 2005-09-28
DE60022837T2 (de) 2006-07-13
CA2314421A1 (en) 2001-01-26
JP4287545B2 (ja) 2009-07-01
EP1073209A2 (de) 2001-01-31
US6693963B1 (en) 2004-02-17
CA2314421C (en) 2003-05-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee