ATE520124T1 - Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren - Google Patents

Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren

Info

Publication number
ATE520124T1
ATE520124T1 AT05814285T AT05814285T ATE520124T1 AT E520124 T1 ATE520124 T1 AT E520124T1 AT 05814285 T AT05814285 T AT 05814285T AT 05814285 T AT05814285 T AT 05814285T AT E520124 T1 ATE520124 T1 AT E520124T1
Authority
AT
Austria
Prior art keywords
band
wideband
coding
wide
lsp
Prior art date
Application number
AT05814285T
Other languages
English (en)
Inventor
Hiroyuki Ehara
Koji Yoshida
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 ATE520124T1 publication Critical patent/ATE520124T1/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
    • G10L19/04—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
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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)
  • Amplifiers (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AT05814285T 2004-12-10 2005-12-09 Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren ATE520124T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004358260 2004-12-10
JP2005095345 2005-03-29
JP2005286532 2005-09-30
PCT/JP2005/022690 WO2006062202A1 (ja) 2004-12-10 2005-12-09 広帯域符号化装置、広帯域ｌｓｐ予測装置、帯域スケーラブル符号化装置及び広帯域符号化方法

Publications (1)

Publication Number Publication Date
ATE520124T1 true ATE520124T1 (de) 2011-08-15

Family

ID=36578022

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05814285T ATE520124T1 (de) 2004-12-10 2005-12-09 Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren

Country Status (8)

Country Link
US (1) US8229749B2 (de)
EP (1) EP1818913B1 (de)
JP (1) JP4903053B2 (de)
KR (1) KR20070085982A (de)
CN (1) CN101076853B (de)
AT (1) ATE520124T1 (de)
BR (1) BRPI0515814A (de)
WO (1) WO2006062202A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8260609B2 (en) 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
RU2469421C2 (ru) * 2007-10-12 2012-12-10 Панасоник Корпорэйшн Векторный квантователь, инверсный векторный квантователь и способы
ES2639572T3 (es) * 2008-01-16 2017-10-27 Iii Holdings 12, Llc Cuantificador vectorial, cuantificador inverso vectorial y procedimientos para los mismos
JP5423684B2 (ja) * 2008-12-19 2014-02-19 富士通株式会社 音声帯域拡張装置及び音声帯域拡張方法
JP5335004B2 (ja) 2009-02-13 2013-11-06 パナソニック株式会社 ベクトル量子化装置、ベクトル逆量子化装置、およびこれらの方法
EP2555191A1 (de) 2009-03-31 2013-02-06 Huawei Technologies Co., Ltd. Verfahren und Einrichtung zur Audiosignalentrauschung
US8447617B2 (en) * 2009-12-21 2013-05-21 Mindspeed Technologies, Inc. Method and system for speech bandwidth extension
WO2011128723A1 (en) * 2010-04-12 2011-10-20 Freescale Semiconductor, Inc. Audio communication device, method for outputting an audio signal, and communication system
US8000968B1 (en) 2011-04-26 2011-08-16 Huawei Technologies Co., Ltd. Method and apparatus for switching speech or audio signals
CN102339607A (zh) * 2010-07-16 2012-02-01 华为技术有限公司 一种频带扩展的方法和装置
EP3279895B1 (de) 2011-11-02 2019-07-10 Telefonaktiebolaget LM Ericsson (publ) Toncodierung auf basis einer effizienten darstellung von auto-regressiven koeffizienten
TWI591620B (zh) * 2012-03-21 2017-07-11 三星電子股份有限公司 產生高頻雜訊的方法
EP2830054A1 (de) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer und zugehörige Verfahren unter Verwendung von Zweikanalverarbeitung in einem intelligenten Lückenfüllkontext
US9524720B2 (en) * 2013-12-15 2016-12-20 Qualcomm Incorporated Systems and methods of blind bandwidth extension
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
KR102002681B1 (ko) * 2017-06-27 2019-07-23 한양대학교 산학협력단 생성적 대립 망 기반의 음성 대역폭 확장기 및 확장 방법
US11599773B2 (en) 2018-12-27 2023-03-07 Micron Technology, Inc. Neural networks and systems for decoding encoded data
US11424764B2 (en) * 2019-11-13 2022-08-23 Micron Technology, Inc. Recurrent neural networks and systems for decoding encoded data
US11563449B2 (en) 2021-04-27 2023-01-24 Micron Technology, Inc. Systems for error reduction of encoded data using neural networks
US11755408B2 (en) 2021-10-07 2023-09-12 Micron Technology, Inc. Systems for estimating bit error rate (BER) of encoded data using neural networks
GB2617571A (en) * 2022-04-12 2023-10-18 Nokia Technologies Oy Method for quantizing line spectral frequencies

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2779886B2 (ja) 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
JP3483958B2 (ja) * 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
JP2956548B2 (ja) 1995-10-05 1999-10-04 松下電器産業株式会社 音声帯域拡大装置
JP3189614B2 (ja) * 1995-03-13 2001-07-16 松下電器産業株式会社 音声帯域拡大装置
KR100339168B1 (ko) * 1996-11-07 2002-06-03 모리시타 요이찌 음원 벡터 생성 장치, 음성 부호화 장치 및 음성 복호화장치
JP3541680B2 (ja) * 1998-06-15 2004-07-14 日本電気株式会社 音声音楽信号の符号化装置および復号装置
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
FI119576B (fi) 2000-03-07 2008-12-31 Nokia Corp Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin
JP2003534578A (ja) 2000-05-26 2003-11-18 セロン フランス エスアーエス 狭帯域で符号化される信号を送信する送信器、受信側において符号化信号の帯域を拡大する受信器、対応する送信及び受信方法、及び、そのシステム
JP2002055699A (ja) * 2000-08-10 2002-02-20 Mitsubishi Electric Corp 音声符号化装置および音声符号化方法
EP1199711A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite
JP2002202799A (ja) * 2000-10-30 2002-07-19 Fujitsu Ltd 音声符号変換装置
US7113522B2 (en) * 2001-01-24 2006-09-26 Qualcomm, Incorporated Enhanced conversion of wideband signals to narrowband signals
MXPA03005133A (es) * 2001-11-14 2004-04-02 Matsushita Electric Industrial Co Ltd Dispositivo de codificacion, dispositivo de decodificacion y sistema de los mismos.
US7752052B2 (en) 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
JP2003323199A (ja) * 2002-04-26 2003-11-14 Matsushita Electric Ind Co Ltd 符号化装置、復号化装置及び符号化方法、復号化方法
JP3881943B2 (ja) 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
ES2259158T3 (es) * 2002-09-19 2006-09-16 Matsushita Electric Industrial Co., Ltd. Metodo y aparato decodificador audio.
US7254533B1 (en) * 2002-10-17 2007-08-07 Dilithium Networks Pty Ltd. Method and apparatus for a thin CELP voice codec
ATE406652T1 (de) * 2004-09-06 2008-09-15 Matsushita Electric Industrial Co Ltd Skalierbare codierungseinrichtung und skalierbares codierungsverfahren
KR100721537B1 (ko) * 2004-12-08 2007-05-23 한국전자통신연구원 광대역 음성 부호화기의 고대역 음성 부호화 장치 및 그방법
US7596491B1 (en) * 2005-04-19 2009-09-29 Texas Instruments Incorporated Layered CELP system and method
PT1875463T (pt) * 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho

Also Published As

Publication number Publication date
EP1818913A4 (de) 2009-01-14
US20090292537A1 (en) 2009-11-26
WO2006062202A1 (ja) 2006-06-15
EP1818913A1 (de) 2007-08-15
EP1818913B1 (de) 2011-08-10
KR20070085982A (ko) 2007-08-27
CN101076853B (zh) 2010-10-13
JP4903053B2 (ja) 2012-03-21
US8229749B2 (en) 2012-07-24
CN101076853A (zh) 2007-11-21
BRPI0515814A (pt) 2008-08-05
JPWO2006062202A1 (ja) 2008-06-12

Similar Documents

Publication Publication Date Title
ATE520124T1 (de) Breitband-codierungseinrichtung, breitband-lsp- prädiktionseinrichtung, bandskalierbare codierungseinrichtung, breitband- codierungsverfahren
SG161223A1 (en) Method and apparatus for vector quantizing of a spectral envelope representation
EP1791116A4 (de) Skalierbare codierungsvorrichtung, skalierbare decodierungsvorrichtung, skalierbares codierungsverfahren, skalierbares decodierungsverfahren, kommunikationsendgerät und basisstationsgerät
ATE394774T1 (de) Kodierungs-, dekodierungsvorrichtung und methode dafür
DK1825461T3 (da) Fremgangsmåde og indretning til kunstig udvidelse af båndbredden af talesignaler
RU2012148131A (ru) Аудио- или видеокодер, аудио или видео и относящиеся к ним способы для обработки многоканальных аудио- или видеосигналов с использованием переменного направления предсказания
ATE535856T1 (de) Verwendung von vorgeschichtlichen lastprofilen zur dynamischen justierung der betriebsfrequenz und verfügbaren leistung für einen prozessorkern eines in der hand gehaltenen multimedia-geräts
RU2011104350A (ru) Устройство сглаживания спектра, устройство кодирования, устройство декодирования, устройство терминала связи, устройство базовой станции и способ сглаживания спектра
WO2010003253A8 (en) Variable bit rate lpc filter quantizing and inverse quantizing device and method
RU2011124080A (ru) Устройство декодирования параметров, устройство кодирования параметров и способ декодирования параметров
DK1853089T4 (da) Fremgangsmåde til undertrykkelse af tilbagekoblinger og til spektraludvidelse i høreapparater
ATE511720T1 (de) Vorrichtung und verfahren zur berechnung der maximalen leistungsreduktion für ein umts-signal
DE602006019646D1 (de) Verfahren, system und einrichtung zur umsetzung von sprache
ATE448539T1 (de) Audiokodierungsvorrichtung und audiokodierungsmethode
ATE537536T1 (de) Sprachkodierungsvorrichtung und sprachkodierungsverfahren
ATE550739T1 (de) Bildverarbeitungsgerät und bildverarbeitungsverfahren
MY152167A (en) Encoding device and encoding method
ATE406652T1 (de) Skalierbare codierungseinrichtung und skalierbares codierungsverfahren
ATE528750T1 (de) Kodierungsvorrichtung und -verfahren
ATE343835T1 (de) Sprachverarbeitung
BRPI0509769A (pt) dispositivo e método
NL1030729A1 (nl) Beweging-adaptief beeldverwerkingstoestel en bewegingsadaptieve werkwijze daarvoor.
TW200635239A (en) Fast compact decoder for huffman codes
EP1801783A4 (de) Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür
WO2005114641A3 (en) Color characterization using nonlinear regression

Legal Events

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