DE602007005630D1 - Codierungseinrichtung und codierungsverfahren - Google Patents

Codierungseinrichtung und codierungsverfahren

Info

Publication number
DE602007005630D1
DE602007005630D1 DE602007005630T DE602007005630T DE602007005630D1 DE 602007005630 D1 DE602007005630 D1 DE 602007005630D1 DE 602007005630 T DE602007005630 T DE 602007005630T DE 602007005630 T DE602007005630 T DE 602007005630T DE 602007005630 D1 DE602007005630 D1 DE 602007005630D1
Authority
DE
Germany
Prior art keywords
spectrum data
band spectrum
encoding
signal
band
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.)
Active
Application number
DE602007005630T
Other languages
English (en)
Inventor
Tomofumi Yamanashi
Kaoru Sato
Toshiyuki Morii
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
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of DE602007005630D1 publication Critical patent/DE602007005630D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
DE602007005630T 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren Active DE602007005630D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006131852 2006-05-10
JP2007047931 2007-02-27
PCT/JP2007/059582 WO2007129728A1 (ja) 2006-05-10 2007-05-09 符号化装置及び符号化方法

Publications (1)

Publication Number Publication Date
DE602007005630D1 true DE602007005630D1 (de) 2010-05-12

Family

ID=38667836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007005630T Active DE602007005630D1 (de) 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren

Country Status (6)

Country Link
US (1) US8121850B2 (de)
EP (2) EP2200026B1 (de)
JP (1) JP5190359B2 (de)
AT (2) ATE463029T1 (de)
DE (1) DE602007005630D1 (de)
WO (1) WO2007129728A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005111568A1 (ja) * 2004-05-14 2005-11-24 Matsushita Electric Industrial Co., Ltd. 符号化装置、復号化装置、およびこれらの方法
JP4871894B2 (ja) * 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
JP2010079275A (ja) * 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
JP5326714B2 (ja) * 2009-03-23 2013-10-30 沖電気工業株式会社 帯域拡張装置、方法及びプログラム、並びに、量子化雑音学習装置、方法及びプログラム
EP2481048B1 (de) 2009-09-25 2017-10-25 Nokia Technologies Oy Audiokodierung
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
CN102044250B (zh) * 2009-10-23 2012-06-27 华为技术有限公司 频带扩展方法及装置
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
JP5704397B2 (ja) * 2011-03-31 2015-04-22 ソニー株式会社 符号化装置および方法、並びにプログラム
EP3048609A4 (de) 2013-09-19 2017-05-03 Sony Corporation Codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren sowie programm
RU2667627C1 (ru) 2013-12-27 2018-09-21 Сони Корпорейшн Устройство и способ декодирования и программа

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6640209B1 (en) * 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
JP3923783B2 (ja) 2001-11-02 2007-06-06 松下電器産業株式会社 符号化装置及び復号化装置
DE60208426T2 (de) * 2001-11-02 2006-08-24 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur signalkodierung, signaldekodierung und system zum verteilen von audiodaten
JP3926726B2 (ja) * 2001-11-14 2007-06-06 松下電器産業株式会社 符号化装置および復号化装置
CN100395817C (zh) * 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
EP1470550B1 (de) * 2002-01-30 2008-09-03 Matsushita Electric Industrial Co., Ltd. Verfahren und vorrichtung zur audio-kodierung und -dekodierung
JP4272897B2 (ja) * 2002-01-30 2009-06-03 パナソニック株式会社 符号化装置、復号化装置およびその方法
CN100346392C (zh) * 2002-04-26 2007-10-31 松下电器产业株式会社 编码设备、解码设备、编码方法和解码方法
JP3861770B2 (ja) * 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
WO2005111568A1 (ja) 2004-05-14 2005-11-24 Matsushita Electric Industrial Co., Ltd. 符号化装置、復号化装置、およびこれらの方法
EP1785984A4 (de) * 2004-08-31 2008-08-06 Matsushita Electric Ind Co Ltd Audiocodierungsvorrichtung, audiodecodierungsvorrichtung, kommunikationsvorrichtung und audiocodierungsverfahren
JP4977471B2 (ja) * 2004-11-05 2012-07-18 パナソニック株式会社 符号化装置及び符号化方法
JP4431790B2 (ja) 2004-11-09 2010-03-17 国立大学法人金沢大学 レゾルシノールノボラック誘導体
JP4646731B2 (ja) 2005-08-08 2011-03-09 シャープ株式会社 携帯情報端末装置

Also Published As

Publication number Publication date
EP2017830A4 (de) 2009-05-27
EP2017830B9 (de) 2011-02-23
ATE528750T1 (de) 2011-10-15
WO2007129728A1 (ja) 2007-11-15
JPWO2007129728A1 (ja) 2009-09-17
EP2200026A1 (de) 2010-06-23
EP2200026B1 (de) 2011-10-12
EP2017830A1 (de) 2009-01-21
US20090171673A1 (en) 2009-07-02
US8121850B2 (en) 2012-02-21
ATE463029T1 (de) 2010-04-15
JP5190359B2 (ja) 2013-04-24
EP2017830B1 (de) 2010-03-31

Similar Documents

Publication Publication Date Title
ATE463029T1 (de) Codierungseinrichtung und codierungsverfahren
WO2008063628A3 (en) Decoding digital information included in a hand-formed expression
WO2008026145A3 (en) Device and method for coding a data signal and device and method for decoding a data signal
CY1120120T1 (el) Μεθοδος αποκωδικοποιησης βιντεο με βαση τις ιεραρχικα κωδικοποιημενες πληροφοριες προτυπου μπλοκ
ATE391988T1 (de) Verfahren zum codieren eines digitalen signals in einen skalierbaren bitstrom, verfahren zum decodieren eines skalierbaren bitstroms
DE602007006957D1 (de) Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms
ATE433182T1 (de) Audiokodierung und audiodekodierung
TW200629883A (en) Method and system for entropy coding/decoding of a video bit stream forfine granularity scalability
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
EP1928184A4 (de) Bildcodierungsverfahren, bilddecodierungsverfahren, bildcodierungsvorrichtung, bilddecodierungsvorichtung und bildcodierter bitstrom und aufzeichnungsmedium
TW200644639A (en) Encoding apparatus and method, and decoding apparatus and method
WO2008129855A1 (ja) 画像データ復号化装置、画像データ復号化方法
WO2009128667A3 (ko) 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
EP2453437A3 (de) Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
TW200746838A (en) Methods and systems for significance coefficient coding in video compression
TW200746052A (en) Apparatus and method for encoding and decoding signal
MX2007012191A (es) Metodos y aparatos para codificar y descodificar una porcion de banda alta de una senal vocal.
MX2010009194A (es) Metodo y dispositivo de codificacion/decodificacion dinamica de imagen.
NO20075782L (no) Subbands talekodek med flertrinns kodebok og redundant koding
AR059105A1 (es) Metodo y aparato para determinar un metodo de codificacion basado en un valor de distorsion relacionado con ocultacion de error
WO2011034382A3 (en) Method and apparatus for decoding image based on skip mode
MY160033A (en) Method and device for arithmetic encoding or arithmetic decoding
JP2009518659A5 (de)
WO2007138419A3 (en) Decoding of predictively coded data using buffer adaptation
MX2009006405A (es) Metodo y sistema para codificar una señal de imagen, señal de imagen codificada, metodo y sistema para decodificar una señal de imagen.

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

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

8364 No opposition during term of opposition