ATE331280T1 - Bandbreitenvergrösserung für audiosignale - Google Patents

Bandbreitenvergrösserung für audiosignale

Info

Publication number
ATE331280T1
ATE331280T1 AT02781472T AT02781472T ATE331280T1 AT E331280 T1 ATE331280 T1 AT E331280T1 AT 02781472 T AT02781472 T AT 02781472T AT 02781472 T AT02781472 T AT 02781472T AT E331280 T1 ATE331280 T1 AT E331280T1
Authority
AT
Austria
Prior art keywords
audio signal
signal
spectrally
generating
bandwidth extender
Prior art date
Application number
AT02781472T
Other languages
English (en)
Inventor
Jo Smeets
De Par Steven L J D E Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE331280T1 publication Critical patent/ATE331280T1/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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereophonic System (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
AT02781472T 2001-11-23 2002-10-30 Bandbreitenvergrösserung für audiosignale ATE331280T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01204498 2001-11-23

Publications (1)

Publication Number Publication Date
ATE331280T1 true ATE331280T1 (de) 2006-07-15

Family

ID=8181279

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02781472T ATE331280T1 (de) 2001-11-23 2002-10-30 Bandbreitenvergrösserung für audiosignale

Country Status (9)

Country Link
US (1) US20050004803A1 (de)
EP (1) EP1451812B1 (de)
JP (1) JP2005509928A (de)
KR (1) KR20040066835A (de)
CN (1) CN1282156C (de)
AT (1) ATE331280T1 (de)
AU (1) AU2002348961A1 (de)
DE (1) DE60212696T2 (de)
WO (1) WO2003044777A1 (de)

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US20060034299A1 (en) * 2003-11-03 2006-02-16 Farhad Barzegar Systems, methods, and devices for processing audio signals
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JP4606418B2 (ja) * 2004-10-13 2011-01-05 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号装置及びスケーラブル符号化方法
JP4567412B2 (ja) * 2004-10-25 2010-10-20 アルパイン株式会社 音声再生機および音声再生方法
JP2006243041A (ja) * 2005-02-28 2006-09-14 Yutaka Yamamoto 高域補間装置及び再生装置
US8364494B2 (en) 2005-04-01 2013-01-29 Qualcomm Incorporated Systems, methods, and apparatus for split-band filtering and encoding of a wideband signal
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US20070005351A1 (en) * 2005-06-30 2007-01-04 Sathyendra Harsha M Method and system for bandwidth expansion for voice communications
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US8223819B2 (en) 2005-10-27 2012-07-17 Realtek Semiconductor Corp. Spectrally shaped pseudo-random noise sequence generator and method thereof
US20070109977A1 (en) * 2005-11-14 2007-05-17 Udar Mittal Method and apparatus for improving listener differentiation of talkers during a conference call
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
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US8639500B2 (en) 2006-11-17 2014-01-28 Samsung Electronics Co., Ltd. Method, medium, and apparatus with bandwidth extension encoding and/or decoding
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US8688441B2 (en) * 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
KR101413967B1 (ko) * 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치
US20090201983A1 (en) 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
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US9947340B2 (en) 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
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US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
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KR102003520B1 (ko) * 2012-09-21 2019-07-24 삼성전자주식회사 신호 처리 장치 및 그 방법
US9258428B2 (en) 2012-12-18 2016-02-09 Cisco Technology, Inc. Audio bandwidth extension for conferencing
US10043535B2 (en) 2013-01-15 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
FR3007563A1 (fr) * 2013-06-25 2014-12-26 France Telecom Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
US10045135B2 (en) 2013-10-24 2018-08-07 Staton Techiya, Llc Method and device for recognition and arbitration of an input connection
WO2015063227A1 (en) * 2013-10-31 2015-05-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio bandwidth extension by insertion of temporal pre-shaped noise in frequency domain
US10043534B2 (en) 2013-12-23 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
DE102015118011A1 (de) * 2015-10-22 2017-04-27 Human Med Ag Vorrichtung zur Transplantation von Körperfett
WO2017116022A1 (ko) * 2015-12-30 2017-07-06 주식회사 오르페오사운드웍스 인-이어 마이크로폰을 갖는 이어셋의 대역폭 확장 장치 및 방법
EP3453189B1 (de) 2016-05-06 2021-04-14 Eers Global Technologies Inc. Vorrichtung und verfahren zur verbesserung der qualität der signale von in-ohr-mikrofonen in lauten umgebungen
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
JP6693551B1 (ja) * 2018-11-30 2020-05-13 株式会社ソシオネクスト 信号処理装置および信号処理方法
CN113708863B (zh) * 2021-09-10 2023-08-01 中国人民解放军63891部队 频谱感知训练数据集的构建方法及装置

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JP2000305599A (ja) * 1999-04-22 2000-11-02 Sony Corp 音声合成装置及び方法、電話装置並びにプログラム提供媒体

Also Published As

Publication number Publication date
DE60212696D1 (de) 2006-08-03
DE60212696T2 (de) 2007-02-22
JP2005509928A (ja) 2005-04-14
EP1451812B1 (de) 2006-06-21
US20050004803A1 (en) 2005-01-06
EP1451812A1 (de) 2004-09-01
AU2002348961A1 (en) 2003-06-10
CN1282156C (zh) 2006-10-25
WO2003044777A1 (en) 2003-05-30
CN1589469A (zh) 2005-03-02
KR20040066835A (ko) 2004-07-27

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