ATE528750T1 - Kodierungsvorrichtung und -verfahren - Google Patents

Kodierungsvorrichtung und -verfahren

Info

Publication number
ATE528750T1
ATE528750T1 AT10003491T AT10003491T ATE528750T1 AT E528750 T1 ATE528750 T1 AT E528750T1 AT 10003491 T AT10003491 T AT 10003491T AT 10003491 T AT10003491 T AT 10003491T AT E528750 T1 ATE528750 T1 AT E528750T1
Authority
AT
Austria
Prior art keywords
spectrum data
band spectrum
encoding
signal
band
Prior art date
Application number
AT10003491T
Other languages
English (en)
Inventor
Tomofumi Yamanashi
Kaoru Sato
Toshiyuki Morii
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
Application granted granted Critical
Publication of ATE528750T1 publication Critical patent/ATE528750T1/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
    • 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)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
AT10003491T 2006-05-10 2007-05-09 Kodierungsvorrichtung und -verfahren ATE528750T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006131852 2006-05-10
JP2007047931 2007-02-27

Publications (1)

Publication Number Publication Date
ATE528750T1 true ATE528750T1 (de) 2011-10-15

Family

ID=38667836

Family Applications (2)

Application Number Title Priority Date Filing Date
AT10003491T ATE528750T1 (de) 2006-05-10 2007-05-09 Kodierungsvorrichtung und -verfahren
AT07743017T ATE463029T1 (de) 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT07743017T ATE463029T1 (de) 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren

Country Status (6)

Country Link
US (1) US8121850B2 (de)
EP (2) EP2017830B9 (de)
JP (1) JP5190359B2 (de)
AT (2) ATE528750T1 (de)
DE (1) DE602007005630D1 (de)
WO (1) WO2007129728A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
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
US8781844B2 (en) 2009-09-25 2014-07-15 Nokia Corporation Audio coding
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
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
BR112016014476B1 (pt) 2013-12-27 2021-11-23 Sony Corporation Aparelho e método de decodificação, e, meio de armazenamento legível por computador
US12424227B2 (en) * 2020-11-05 2025-09-23 Nippon Telegraph And Telephone Corporation Sound signal refinement method, sound signal decode method, apparatus thereof, program, and storage medium

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
EP1440432B1 (de) * 2001-11-02 2005-05-04 Matsushita Electric Industrial Co., Ltd. Vorrichtung zum codieren bzw. decodieren eines audiosignals
EP1444688B1 (de) * 2001-11-14 2006-08-16 Matsushita Electric Industrial Co., Ltd. Kodiervorrichtung und dekodiervorrichtung
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
CN1288625C (zh) * 2002-01-30 2006-12-06 松下电器产业株式会社 音频编码与解码设备及其方法
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
EP1489599B1 (de) * 2002-04-26 2016-05-11 Panasonic Intellectual Property Corporation of America Kodierungseinrichtung und dekodierungseinrichtung
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
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
US7848921B2 (en) * 2004-08-31 2010-12-07 Panasonic Corporation Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication apparatus thereof
RU2387024C2 (ru) * 2004-11-05 2010-04-20 Панасоник Корпорэйшн Кодер, декодер, способ кодирования и способ декодирования
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
ATE463029T1 (de) 2010-04-15
EP2017830B9 (de) 2011-02-23
EP2200026B1 (de) 2011-10-12
WO2007129728A1 (ja) 2007-11-15
EP2017830A4 (de) 2009-05-27
JPWO2007129728A1 (ja) 2009-09-17
JP5190359B2 (ja) 2013-04-24
US8121850B2 (en) 2012-02-21
US20090171673A1 (en) 2009-07-02
EP2017830A1 (de) 2009-01-21
DE602007005630D1 (de) 2010-05-12
EP2017830B1 (de) 2010-03-31
EP2200026A1 (de) 2010-06-23

Similar Documents

Publication Publication Date Title
ATE528750T1 (de) Kodierungsvorrichtung und -verfahren
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
DE602004013031D1 (de) Verfahren zum codieren eines digitalen signals in einen skalierbaren bitstrom, verfahren zum decodieren eines skalierbaren bitstroms
CY1121940T1 (el) Μεθοδος αποκωδικοποιησης βιντεο με βαση τις ιεραρχικες κωδικοποιημενες πληροφοριες μοτιβου μπλοκ
TW200629883A (en) Method and system for entropy coding/decoding of a video bit stream forfine granularity scalability
WO2009128667A3 (ko) 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
TW201613356A (en) Method for decoding video
WO2006007279A3 (en) Method and apparatus for video codec quantization
EP2453437A3 (de) Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
TW200726254A (en) Methods and device for data alignment with time domain boundary
WO2008129855A1 (ja) 画像データ復号化装置、画像データ復号化方法
AR059105A1 (es) Metodo y aparato para determinar un metodo de codificacion basado en un valor de distorsion relacionado con ocultacion de error
MX2010004823A (es) Tecnica para codificar/decodificar indices de libro de codigos para espectro mdct cuantificado en codecs de audio y dialogo escalables.
MY148913A (en) Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
MX2012010439A (es) Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion.
WO2007112343A3 (en) Methods and systems for significance coefficient coding in video compression
DE602004027219D1 (de) Verfahren und Vorrichtung zur Rekonstruktion des Spektrums eines Audiosignals
MY160033A (en) Method and device for arithmetic encoding or arithmetic decoding
MX2009006405A (es) Metodo y sistema para codificar una señal de imagen, señal de imagen codificada, metodo y sistema para decodificar una señal de imagen.
WO2007138419A3 (en) Decoding of predictively coded data using buffer adaptation
JP2009518659A5 (de)
WO2010032992A3 (ko) Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치
DE602008002054D1 (de) Verfahren und Anordnung zur Decodierung eines mittels Tail-Biting-Codes kodierten Signals

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties