WO2002009092A1 - Dispositif d'interpolation de frequences servant a interpoler une composante de frequence de signal et procede d'interpolation de frequences - Google Patents

Dispositif d'interpolation de frequences servant a interpoler une composante de frequence de signal et procede d'interpolation de frequences Download PDF

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Publication number
WO2002009092A1
WO2002009092A1 PCT/JP2001/005521 JP0105521W WO0209092A1 WO 2002009092 A1 WO2002009092 A1 WO 2002009092A1 JP 0105521 W JP0105521 W JP 0105521W WO 0209092 A1 WO0209092 A1 WO 0209092A1
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WO
WIPO (PCT)
Prior art keywords
spectrum
interpolating
frequency
signal
addition
Prior art date
Application number
PCT/JP2001/005521
Other languages
English (en)
French (fr)
Inventor
Yasushi Sato
Original Assignee
Kabushiki Kaisha Kenwood
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 Kabushiki Kaisha Kenwood filed Critical Kabushiki Kaisha Kenwood
Priority to AU2001266339A priority Critical patent/AU2001266339A1/en
Priority to US10/332,850 priority patent/US6879265B2/en
Publication of WO2002009092A1 publication Critical patent/WO2002009092A1/ja

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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
    • H04B1/667—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 division in frequency subbands
PCT/JP2001/005521 2000-07-21 2001-06-27 Dispositif d'interpolation de frequences servant a interpoler une composante de frequence de signal et procede d'interpolation de frequences WO2002009092A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001266339A AU2001266339A1 (en) 2000-07-21 2001-06-27 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method
US10/332,850 US6879265B2 (en) 2000-07-21 2001-06-27 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000-220743 2000-07-21
JP2000220743A JP3576936B2 (ja) 2000-07-21 2000-07-21 周波数補間装置、周波数補間方法及び記録媒体

Publications (1)

Publication Number Publication Date
WO2002009092A1 true WO2002009092A1 (fr) 2002-01-31

Family

ID=18715292

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/005521 WO2002009092A1 (fr) 2000-07-21 2001-06-27 Dispositif d'interpolation de frequences servant a interpoler une composante de frequence de signal et procede d'interpolation de frequences

Country Status (5)

Country Link
US (1) US6879265B2 (ja)
JP (1) JP3576936B2 (ja)
AU (1) AU2001266339A1 (ja)
TW (1) TW503626B (ja)
WO (1) WO2002009092A1 (ja)

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DE10230809B4 (de) * 2002-07-08 2008-09-11 T-Mobile Deutschland Gmbh Verfahren zur Übertragung von Audiosignalen nach dem Verfahren der priorisierenden Pixelübertragung
US7000613B2 (en) * 2003-08-06 2006-02-21 Innomed Technologies, Inc. Nasal interface and system including ventilation insert
EP2221807B1 (en) 2003-10-23 2013-03-20 Panasonic Corporation Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006126844A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8521313B2 (en) 2006-01-19 2013-08-27 Lg Electronics Inc. Method and apparatus for processing a media signal
JP2009526263A (ja) 2006-02-07 2009-07-16 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
JP4769673B2 (ja) * 2006-09-20 2011-09-07 富士通株式会社 オーディオ信号補間方法及びオーディオ信号補間装置
US20080215342A1 (en) * 2007-01-17 2008-09-04 Russell Tillitt System and method for enhancing perceptual quality of low bit rate compressed audio data
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
WO2009078681A1 (en) * 2007-12-18 2009-06-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830060A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling in multichannel audio coding
CN104158548A (zh) * 2013-11-13 2014-11-19 深圳市共进电子股份有限公司 一种压缩音频讯号音质提升的方法
CN110335620B (zh) * 2019-07-08 2021-07-27 广州欢聊网络科技有限公司 一种噪声抑制方法、装置和移动终端

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JPH02235424A (ja) * 1989-03-09 1990-09-18 Fujitsu Ltd 時間切替型帯域分割音声符号化方式および装置
JPH03254223A (ja) * 1990-03-02 1991-11-13 Eastman Kodak Japan Kk アナログデータ伝送方式
JPH0685607A (ja) * 1992-08-31 1994-03-25 Alpine Electron Inc 高域成分復元装置
JPH06222799A (ja) * 1992-10-09 1994-08-12 American Teleph & Telegr Co <Att> 音声信号の符号化方法と符号化音声信号の復号化方法およびそのシステム
JPH06294830A (ja) * 1993-01-22 1994-10-21 Hewlett Packard Co <Hp> 周波数領域の解析を強化するための方法と装置
JPH0990992A (ja) * 1995-09-27 1997-04-04 Nippon Telegr & Teleph Corp <Ntt> 広帯域音声信号復元方法
JPH09258787A (ja) * 1996-03-21 1997-10-03 Kokusai Electric Co Ltd 狭帯域音声信号の周波数帯域拡張回路
JPH1097287A (ja) * 1996-07-30 1998-04-14 Atr Ningen Joho Tsushin Kenkyusho:Kk 周期信号変換方法、音変換方法および信号分析方法
JP2000036755A (ja) * 1998-05-15 2000-02-02 Sony Corp 符号変換方法及び装置、並びにプログラム供給媒体
JP2001083995A (ja) * 1999-09-13 2001-03-30 Matsushita Electric Ind Co Ltd サブバンド符号化・復号方法

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DE4417406C2 (de) * 1994-05-18 2000-09-28 Advantest Corp Hochauflösender Frequenzanalysator und Vektorspektrumanalysator
US5852470A (en) * 1995-05-31 1998-12-22 Sony Corporation Signal converting apparatus and signal converting method
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02235424A (ja) * 1989-03-09 1990-09-18 Fujitsu Ltd 時間切替型帯域分割音声符号化方式および装置
JPH03254223A (ja) * 1990-03-02 1991-11-13 Eastman Kodak Japan Kk アナログデータ伝送方式
JPH0685607A (ja) * 1992-08-31 1994-03-25 Alpine Electron Inc 高域成分復元装置
JPH06222799A (ja) * 1992-10-09 1994-08-12 American Teleph & Telegr Co <Att> 音声信号の符号化方法と符号化音声信号の復号化方法およびそのシステム
JPH06294830A (ja) * 1993-01-22 1994-10-21 Hewlett Packard Co <Hp> 周波数領域の解析を強化するための方法と装置
JPH0990992A (ja) * 1995-09-27 1997-04-04 Nippon Telegr & Teleph Corp <Ntt> 広帯域音声信号復元方法
JPH09258787A (ja) * 1996-03-21 1997-10-03 Kokusai Electric Co Ltd 狭帯域音声信号の周波数帯域拡張回路
JPH1097287A (ja) * 1996-07-30 1998-04-14 Atr Ningen Joho Tsushin Kenkyusho:Kk 周期信号変換方法、音変換方法および信号分析方法
JP2000036755A (ja) * 1998-05-15 2000-02-02 Sony Corp 符号変換方法及び装置、並びにプログラム供給媒体
JP2001083995A (ja) * 1999-09-13 2001-03-30 Matsushita Electric Ind Co Ltd サブバンド符号化・復号方法

Also Published As

Publication number Publication date
US6879265B2 (en) 2005-04-12
US20040028125A1 (en) 2004-02-12
AU2001266339A1 (en) 2002-02-05
TW503626B (en) 2002-09-21
JP3576936B2 (ja) 2004-10-13
JP2002041089A (ja) 2002-02-08

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