DE602005013906D1 - Bandbreitenerweiterung eines schmalbandigen akustischen Signals - Google Patents

Bandbreitenerweiterung eines schmalbandigen akustischen Signals

Info

Publication number
DE602005013906D1
DE602005013906D1 DE602005013906T DE602005013906T DE602005013906D1 DE 602005013906 D1 DE602005013906 D1 DE 602005013906D1 DE 602005013906 T DE602005013906 T DE 602005013906T DE 602005013906 T DE602005013906 T DE 602005013906T DE 602005013906 D1 DE602005013906 D1 DE 602005013906D1
Authority
DE
Germany
Prior art keywords
bandlimited
feature vector
acoustic signal
code book
bandwidth extension
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.)
Active
Application number
DE602005013906T
Other languages
English (en)
Inventor
Bernd Iser
Gerhard Uwe Schmidt
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
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 Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of DE602005013906D1 publication Critical patent/DE602005013906D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE602005013906T 2005-01-31 2005-01-31 Bandbreitenerweiterung eines schmalbandigen akustischen Signals Active DE602005013906D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05001959A EP1686564B1 (de) 2005-01-31 2005-01-31 Bandbreitenerweiterung eines schmalbandigen akustischen Signals

Publications (1)

Publication Number Publication Date
DE602005013906D1 true DE602005013906D1 (de) 2009-05-28

Family

ID=34933531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005013906T Active DE602005013906D1 (de) 2005-01-31 2005-01-31 Bandbreitenerweiterung eines schmalbandigen akustischen Signals

Country Status (4)

Country Link
US (1) US7783479B2 (de)
EP (1) EP1686564B1 (de)
AT (1) ATE429011T1 (de)
DE (1) DE602005013906D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7995528B1 (en) 2007-07-18 2011-08-09 Marvell International Ltd. Precoding with multi-user codebooks
US8462716B1 (en) 2007-07-11 2013-06-11 Marvell International Ltd. Method and apparatus for using multiple codebooks for wireless transmission to a plurality of users in a cell
WO2009051748A2 (en) * 2007-10-15 2009-04-23 Marvell World Trade Ltd. Beamforming using predefined spatial mapping matrices
EP2301026B1 (de) * 2008-07-11 2020-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Tonsignalgenerator und tonsignalkodierer
US7889721B2 (en) * 2008-10-13 2011-02-15 General Instrument Corporation Selecting an adaptor mode and communicating data based on the selected adaptor mode
BRPI0917762B1 (pt) * 2008-12-15 2020-09-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Codificador de áudio e decodificador de extensão de largura de banda
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
CN102610231B (zh) * 2011-01-24 2013-10-09 华为技术有限公司 一种带宽扩展方法及装置
US10043535B2 (en) 2013-01-15 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
US10045135B2 (en) 2013-10-24 2018-08-07 Staton Techiya, Llc Method and device for recognition and arbitration of an input connection
US10043534B2 (en) 2013-12-23 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
KR102586418B1 (ko) * 2016-03-23 2023-10-06 삼성전기주식회사 고주파 신호 전치왜곡 장치 및 전력증폭기 비선형 왜곡 보정 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0732687B2 (de) * 1995-03-13 2005-10-12 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Erweiterung der Sprachbandbreite
KR20010101422A (ko) * 1999-11-10 2001-11-14 요트.게.아. 롤페즈 매핑 매트릭스에 의한 광대역 음성 합성
US7174135B2 (en) * 2001-06-28 2007-02-06 Koninklijke Philips Electronics N. V. Wideband signal transmission system
EP1638083B1 (de) * 2004-09-17 2009-04-22 Harman Becker Automotive Systems GmbH Bandbreitenerweiterung von bandbegrenzten Tonsignalen

Also Published As

Publication number Publication date
US7783479B2 (en) 2010-08-24
EP1686564B1 (de) 2009-04-15
EP1686564A1 (de) 2006-08-02
US20060190245A1 (en) 2006-08-24
ATE429011T1 (de) 2009-05-15

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