DE1298643T1 - Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren - Google Patents

Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren

Info

Publication number
DE1298643T1
DE1298643T1 DE1298643T DE01936970T DE1298643T1 DE 1298643 T1 DE1298643 T1 DE 1298643T1 DE 1298643 T DE1298643 T DE 1298643T DE 01936970 T DE01936970 T DE 01936970T DE 1298643 T1 DE1298643 T1 DE 1298643T1
Authority
DE
Germany
Prior art keywords
frequency interpolation
interpolation method
frequency
interpolation device
interpolation
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.)
Pending
Application number
DE1298643T
Other languages
English (en)
Inventor
Yasushi Sato
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.)
Kenwood KK
Kenwood Geobit Corp
Original Assignee
Kenwood KK
Kenwood Geobit 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
Priority claimed from JP2000178569A external-priority patent/JP3538122B2/ja
Priority claimed from JP2000259745A external-priority patent/JP3576942B2/ja
Application filed by Kenwood KK, Kenwood Geobit Corp filed Critical Kenwood KK
Publication of DE1298643T1 publication Critical patent/DE1298643T1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/662—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 time/frequency relationship, e.g. time compression or expansion
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE1298643T 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren Pending DE1298643T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000178569A JP3538122B2 (ja) 2000-06-14 2000-06-14 周波数補間装置、周波数補間方法及び記録媒体
JP2000259745A JP3576942B2 (ja) 2000-08-29 2000-08-29 周波数補間システム、周波数補間装置、周波数補間方法及び記録媒体
PCT/JP2001/004955 WO2001097212A1 (fr) 2000-06-14 2001-06-12 Dispositif et procédé d'interpolation de fréquence

Publications (1)

Publication Number Publication Date
DE1298643T1 true DE1298643T1 (de) 2003-11-27

Family

ID=26593931

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60122397T Expired - Lifetime DE60122397T2 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und Frequenzinterpolationsverfahren
DE04017341T Pending DE04017341T1 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und Frequenzinterpolationsverfahren
DE60110796T Expired - Lifetime DE60110796T2 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren
DE1298643T Pending DE1298643T1 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE60122397T Expired - Lifetime DE60122397T2 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und Frequenzinterpolationsverfahren
DE04017341T Pending DE04017341T1 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und Frequenzinterpolationsverfahren
DE60110796T Expired - Lifetime DE60110796T2 (de) 2000-06-14 2001-06-12 Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren

Country Status (5)

Country Link
US (1) US6836739B2 (de)
EP (2) EP1298643B1 (de)
AU (1) AU2001262748A1 (de)
DE (4) DE60122397T2 (de)
WO (1) WO2001097212A1 (de)

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US7613529B1 (en) 2000-09-09 2009-11-03 Harman International Industries, Limited System for eliminating acoustic feedback
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
JP3751001B2 (ja) * 2002-03-06 2006-03-01 株式会社東芝 オーディオ信号再生方法および再生装置
GB2419794B (en) 2002-03-13 2006-10-18 Harman Int Ind Audio feedback processing system
JP4296752B2 (ja) 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
JP3881932B2 (ja) 2002-06-07 2007-02-14 株式会社ケンウッド 音声信号補間装置、音声信号補間方法及びプログラム
EP1630790B1 (de) * 2003-05-20 2008-09-03 Matsushita Electric Industrial Co., Ltd. Verfahren und einrichtung zur vergrösserung des audiosignalbandes
US7339988B1 (en) * 2003-07-03 2008-03-04 Scintera Networks, Inc. Channel monitoring and identification and performance monitoring in a flexible high speed signal processor engine
JP4679049B2 (ja) * 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
WO2005040749A1 (ja) * 2003-10-23 2005-05-06 Matsushita Electric Industrial Co., Ltd. スペクトル符号化装置、スペクトル復号化装置、音響信号送信装置、音響信号受信装置、およびこれらの方法
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE602006009927D1 (de) 2006-08-22 2009-12-03 Harman Becker Automotive Sys Verfahren und System zur Bereitstellung eines Tonsignals mit erweiterter Bandbreite
JP4972742B2 (ja) * 2006-10-17 2012-07-11 国立大学法人九州工業大学 高域信号補間方法及び高域信号補間装置
US8295507B2 (en) * 2006-11-09 2012-10-23 Sony Corporation Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US20090259405A1 (en) * 2008-04-15 2009-10-15 Battelle Energy Alliance, Llc Methods, systems, and computer-readable media for generating seismic event time histories
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
EP2413115A1 (de) * 2010-07-30 2012-02-01 Technische Universiteit Eindhoven Erzeugen eines Steuersignals aus akustischen Daten
CN103270553B (zh) 2010-08-12 2015-08-12 弗兰霍菲尔运输应用研究公司 对正交镜像滤波器式音频编译码器的输出信号的重新取样
CN103323667B (zh) * 2013-05-27 2016-08-17 重庆邮电大学 贝塞尔函数与虚拟阵列相结合的sfm信号的参数估计方法
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
CN103412188B (zh) * 2013-08-27 2016-03-23 重庆邮电大学 基于贝塞尔函数与Toeplitz算法的SFM信号参数估计方法
CN106443178B (zh) * 2016-09-08 2019-02-01 东南大学 一种基于IQuinn-Rife综合的正弦信号频率估计方法

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Publication number Priority date Publication date Assignee Title
JPH06110455A (ja) 1992-09-25 1994-04-22 Mitsubishi Electric Corp オーディオ信号の符号化／復号化方法およびこの方法を用いたオーディオ再生装置
JP3266974B2 (ja) 1993-04-16 2002-03-18 カシオ計算機株式会社 デジタル音響波形の作成装置、デジタル音響波形の作成方法、楽音波形生成装置におけるデジタル音響波形均一化方法、及び楽音波形生成装置
DE4343366C2 (de) * 1993-12-18 1996-02-29 Grundig Emv Verfahren und Schaltungsanordnung zur Vergrößerung der Bandbreite von schmalbandigen Sprachsignalen
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JP3243174B2 (ja) 1996-03-21 2002-01-07 株式会社日立国際電気 狭帯域音声信号の周波数帯域拡張回路
JP3266819B2 (ja) 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
US6381559B1 (en) * 1996-08-12 2002-04-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Empirical mode decomposition apparatus, method and article of manufacture for analyzing biological signals and performing curve fitting
JP4132154B2 (ja) * 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置
JP2000330599A (ja) 1999-05-21 2000-11-30 Sony Corp 信号処理方法及び装置、並びに情報提供媒体
US6862558B2 (en) * 2001-02-14 2005-03-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Empirical mode decomposition for analyzing acoustical signals

Also Published As

Publication number Publication date
US20030125889A1 (en) 2003-07-03
WO2001097212A1 (fr) 2001-12-20
DE60110796T2 (de) 2006-02-23
DE60122397D1 (de) 2006-09-28
DE60122397T2 (de) 2006-12-07
US6836739B2 (en) 2004-12-28
DE60110796D1 (de) 2005-06-16
EP1298643A4 (de) 2003-12-10
EP1298643A1 (de) 2003-04-02
EP1298643B1 (de) 2005-05-11
EP1503371A1 (de) 2005-02-02
EP1503371B1 (de) 2006-08-16
AU2001262748A1 (en) 2001-12-24
DE04017341T1 (de) 2005-07-14

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