AU2001266339A1 - Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method - Google Patents

Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method

Info

Publication number
AU2001266339A1
AU2001266339A1 AU2001266339A AU6633901A AU2001266339A1 AU 2001266339 A1 AU2001266339 A1 AU 2001266339A1 AU 2001266339 A AU2001266339 A AU 2001266339A AU 6633901 A AU6633901 A AU 6633901A AU 2001266339 A1 AU2001266339 A1 AU 2001266339A1
Authority
AU
Australia
Prior art keywords
interpolating
frequency
signal
component
frequency component
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.)
Abandoned
Application number
AU2001266339A
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
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
Application filed by Kenwood KK, Kenwood Geobit Corp filed Critical Kenwood KK
Publication of AU2001266339A1 publication Critical patent/AU2001266339A1/en
Abandoned legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU2001266339A 2000-07-21 2001-06-27 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method Abandoned AU2001266339A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-220743 2000-07-21
JP2000220743A JP3576936B2 (en) 2000-07-21 2000-07-21 Frequency interpolation device, frequency interpolation method, and recording medium
PCT/JP2001/005521 WO2002009092A1 (en) 2000-07-21 2001-06-27 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method

Publications (1)

Publication Number Publication Date
AU2001266339A1 true AU2001266339A1 (en) 2002-02-05

Family

ID=18715292

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7708053B2 (en) 2000-06-30 2010-05-04 Alliant Techsystems Inc. Heat transfer system
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
DE10230809B4 (en) * 2002-07-08 2008-09-11 T-Mobile Deutschland Gmbh Method for transmitting audio signals according to the method of prioritizing pixel transmission
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 (en) 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 Audio signal decoding method and apparatus
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 (en) 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 Encoding / decoding apparatus and method
JP4769673B2 (en) * 2006-09-20 2011-09-07 富士通株式会社 Audio signal interpolation method and audio signal interpolation apparatus
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 (en) * 2013-11-13 2014-11-19 深圳市共进电子股份有限公司 Method for enhancing sound quality of compressed audio signal
CN110335620B (en) * 2019-07-08 2021-07-27 广州欢聊网络科技有限公司 Noise suppression method and device and mobile terminal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2916160B2 (en) 1989-03-09 1999-07-05 富士通株式会社 Time-switching band-division speech coding method and apparatus
JPH03254223A (en) 1990-03-02 1991-11-13 Eastman Kodak Japan Kk Analog data transmission system
JPH0685607A (en) 1992-08-31 1994-03-25 Alpine Electron Inc High band component restoring device
CA2105269C (en) 1992-10-09 1998-08-25 Yair Shoham Time-frequency interpolation with application to low rate speech coding
JPH06294830A (en) 1993-01-22 1994-10-21 Hewlett Packard Co <Hp> Method and apparatus for reinforcement of analysis of frequency region
DE4417406C2 (en) * 1994-05-18 2000-09-28 Advantest Corp High resolution frequency analyzer and vector spectrum analyzer
US5852470A (en) * 1995-05-31 1998-12-22 Sony Corporation Signal converting apparatus and signal converting method
JP3301473B2 (en) 1995-09-27 2002-07-15 日本電信電話株式会社 Wideband audio signal restoration method
JP3243174B2 (en) 1996-03-21 2002-01-07 株式会社日立国際電気 Frequency band extension circuit for narrow band audio signal
JP3266819B2 (en) 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 Periodic signal conversion method, sound conversion method, and signal analysis method
CA2184541A1 (en) * 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
JP2000036755A (en) 1998-05-15 2000-02-02 Sony Corp Method and device for code convesion and program supply medium thereof
JP2001083995A (en) 1999-09-13 2001-03-30 Matsushita Electric Ind Co Ltd Sub band encoding/decoding method

Also Published As

Publication number Publication date
US6879265B2 (en) 2005-04-12
US20040028125A1 (en) 2004-02-12
TW503626B (en) 2002-09-21
WO2002009092A1 (en) 2002-01-31
JP3576936B2 (en) 2004-10-13
JP2002041089A (en) 2002-02-08

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