DE60212696D1 - Bandbreitenvergrösserung für audiosignale - Google Patents

Bandbreitenvergrösserung für audiosignale

Info

Publication number
DE60212696D1
DE60212696D1 DE60212696T DE60212696T DE60212696D1 DE 60212696 D1 DE60212696 D1 DE 60212696D1 DE 60212696 T DE60212696 T DE 60212696T DE 60212696 T DE60212696 T DE 60212696T DE 60212696 D1 DE60212696 D1 DE 60212696D1
Authority
DE
Germany
Prior art keywords
audio signal
signal
bandwidth
spectrally
generating
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.)
Expired - Fee Related
Application number
DE60212696T
Other languages
English (en)
Other versions
DE60212696T2 (de
Inventor
Jo Smeets
De Par Steven L J D E Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60212696D1 publication Critical patent/DE60212696D1/de
Application granted granted Critical
Publication of DE60212696T2 publication Critical patent/DE60212696T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
DE60212696T 2001-11-23 2002-10-30 Bandbreitenvergrösserung für audiosignale Expired - Fee Related DE60212696T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204498 2001-11-23
EP01204498 2001-11-23
PCT/IB2002/004606 WO2003044777A1 (en) 2001-11-23 2002-10-30 Audio signal bandwidth extension

Publications (2)

Publication Number Publication Date
DE60212696D1 true DE60212696D1 (de) 2006-08-03
DE60212696T2 DE60212696T2 (de) 2007-02-22

Family

ID=8181279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60212696T Expired - Fee Related DE60212696T2 (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
US8019449B2 (en) * 2003-11-03 2011-09-13 At&T Intellectual Property Ii, Lp Systems, methods, and devices for processing audio signals
CN102103860B (zh) 2004-09-17 2013-05-08 松下电器产业株式会社 频谱包络信息量化装置及方法、频谱包络信息解码装置及方法
BRPI0518133A (pt) * 2004-10-13 2008-10-28 Matsushita Electric Ind Co Ltd codificador escalável, decodificador escalável, e método de codificação escalável
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
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US20070005351A1 (en) * 2005-06-30 2007-01-04 Sathyendra Harsha M Method and system for bandwidth expansion for voice communications
EP1783908A3 (de) 2005-10-27 2009-03-18 Realtek Semiconductor Corp. Pseudozufallsrauschfolgengenerator mit vorgegebenem Spektrum und Verfahren hierfür
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
WO2008035949A1 (en) * 2006-09-22 2008-03-27 Samsung Electronics Co., Ltd. Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
US8639500B2 (en) * 2006-11-17 2014-01-28 Samsung Electronics Co., Ltd. Method, medium, and apparatus with bandwidth extension encoding and/or decoding
US8554349B2 (en) 2007-10-23 2013-10-08 Clarion Co., Ltd. High-frequency interpolation device and high-frequency interpolation method
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
US8831958B2 (en) 2008-09-25 2014-09-09 Lg Electronics Inc. Method and an apparatus for a bandwidth extension using different schemes
GB2466201B (en) 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
US9947340B2 (en) 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
PL2545551T3 (pl) * 2010-03-09 2018-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio
EP2559026A1 (de) * 2010-04-12 2013-02-20 Freescale Semiconductor, Inc. Audiokommunikationsvorrichtung, verfahren zur ausgabe eines tonsignals und kommunikationssystem
US9443534B2 (en) 2010-04-14 2016-09-13 Huawei Technologies Co., Ltd. Bandwidth extension system and approach
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
AU2012276367B2 (en) * 2011-06-30 2016-02-04 Samsung Electronics Co., Ltd. Apparatus and method for generating bandwidth extension signal
CN104221081B (zh) * 2011-11-02 2017-03-15 瑞典爱立信有限公司 带宽扩展音频信号的高频带扩展的生成
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
EP3063761B1 (de) * 2013-10-31 2017-11-22 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. Bandbreitenerweiterung von audiosignalen mittels einfügung zeitlich vorgeformter geräuschsignale im frequenzbereich
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
US10783904B2 (en) 2016-05-06 2020-09-22 Eers Global Technologies Inc. Device and method for improving the quality of in-ear microphone signals in noisy environments
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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SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
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
AU2002348961A1 (en) 2003-06-10
CN1589469A (zh) 2005-03-02
ATE331280T1 (de) 2006-07-15
JP2005509928A (ja) 2005-04-14
CN1282156C (zh) 2006-10-25
EP1451812A1 (de) 2004-09-01
US20050004803A1 (en) 2005-01-06
EP1451812B1 (de) 2006-06-21
KR20040066835A (ko) 2004-07-27
WO2003044777A1 (en) 2003-05-30
DE60212696T2 (de) 2007-02-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee