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)

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WO2009090876A1 (ja) * 2008-01-16 2009-07-23 Panasonic Corporation 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
WO2010070770A1 (ja) * 2008-12-19 2010-06-24 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
RU2519027C2 (ru) * 2009-02-13 2014-06-10 Панасоник Корпорэйшн Устройство векторного квантования, устройство векторного обратного квантования и способы для этого
WO2010111876A1 (zh) 2009-03-31 2010-10-07 华为技术有限公司 一种信号去噪的方法和装置及音频解码系统
US8447617B2 (en) * 2009-12-21 2013-05-21 Mindspeed Technologies, Inc. Method and system for speech bandwidth extension
CN102870156B (zh) * 2010-04-12 2015-07-22 飞思卡尔半导体公司 音频通信设备、输出音频信号的方法和通信系统
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
EP3611728A1 (de) * 2012-03-21 2020-02-19 Samsung Electronics Co., Ltd. Verfahren und vorrichtung für hochfrequente codierung/decodierung zur bandbreitenerweiterung
EP2830064A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Decodierung und Codierung eines Audiosignals unter Verwendung adaptiver Spektralabschnittsauswahl
US20150170655A1 (en) * 2013-12-15 2015-06-18 Qualcomm Incorporated Systems and methods of blind bandwidth extension
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

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EP1290681A1 (de) 2000-05-26 2003-03-12 Cellon France SAS Sender zum übertragen eines schmalbandig kodierten sendesignals, und empfänger zur erweiterung der bandbreite des kodierten signals auf der empfangsseite, und ein dementsprechendes übertragungs- und empfangsverfahren sowie entsprechende vorrichtung
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Also Published As

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

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