ZA201009164B - Apparatus and method for generating a bandwidth extended signal - Google Patents

Apparatus and method for generating a bandwidth extended signal

Info

Publication number
ZA201009164B
ZA201009164B ZA2010/09164A ZA201009164A ZA201009164B ZA 201009164 B ZA201009164 B ZA 201009164B ZA 2010/09164 A ZA2010/09164 A ZA 2010/09164A ZA 201009164 A ZA201009164 A ZA 201009164A ZA 201009164 B ZA201009164 B ZA 201009164B
Authority
ZA
South Africa
Prior art keywords
generating
extended signal
bandwidth extended
bandwidth
signal
Prior art date
Application number
ZA2010/09164A
Inventor
Frederik Nagel
Sascha Disch
Max Neuendorf
Stefan Bayer
Marc Gayer
Markus Lohwasser
Nikolaus Rettelbach
Ulrich Kramer
Original Assignee
Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V
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 Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V filed Critical Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V
Publication of ZA201009164B publication Critical patent/ZA201009164B/en

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
    • 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
    • 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
    • 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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Transmitters (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
ZA2010/09164A 2008-07-11 2010-12-21 Apparatus and method for generating a bandwidth extended signal ZA201009164B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7984908P 2008-07-11 2008-07-11
PCT/EP2009/004603 WO2010003557A1 (en) 2008-07-11 2009-06-25 Apparatus and method for generating a bandwidth extended signal

Publications (1)

Publication Number Publication Date
ZA201009164B true ZA201009164B (en) 2011-10-26

Family

ID=41162740

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2010/09164A ZA201009164B (en) 2008-07-11 2010-12-21 Apparatus and method for generating a bandwidth extended signal

Country Status (18)

Country Link
EP (1) EP2291842B1 (en)
JP (1) JP5255699B2 (en)
KR (1) KR101239812B1 (en)
CN (1) CN102105931B (en)
AR (1) AR072483A1 (en)
AU (1) AU2009267460B2 (en)
BR (2) BR122017003818B1 (en)
CA (1) CA2729474C (en)
CO (1) CO6541514A2 (en)
ES (1) ES2461141T3 (en)
HK (1) HK1154112A1 (en)
MX (1) MX2011000365A (en)
MY (1) MY163454A (en)
PL (1) PL2291842T3 (en)
RU (1) RU2512090C2 (en)
TW (1) TWI415116B (en)
WO (1) WO2010003557A1 (en)
ZA (1) ZA201009164B (en)

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CN102934164B (en) 2010-03-09 2015-12-09 弗兰霍菲尔运输应用研究公司 The equipment of transient state sound event and method in audio signal when changing playback speed or tone
RU2596033C2 (en) 2010-03-09 2016-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Device and method of producing improved frequency characteristics and temporary phasing by bandwidth expansion using audio signals in phase vocoder
PL3570278T3 (en) 2010-03-09 2023-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. High frequency reconstruction of an input audio signal using cascaded filterbanks
JP5554876B2 (en) 2010-04-16 2014-07-23 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
CA3027803C (en) * 2010-07-19 2020-04-07 Dolby International Ab Processing of audio signals during high frequency reconstruction
CA3067155C (en) * 2010-09-16 2021-01-19 Dolby International Ab Cross product enhanced subband block based harmonic transposition
US8490008B2 (en) * 2011-11-10 2013-07-16 Research In Motion Limited Touchscreen keyboard predictive display and generation of a set of characters
EP3089164A1 (en) * 2011-11-02 2016-11-02 Telefonaktiebolaget LM Ericsson (publ) Generation of a high band extension of a bandwidth extended audio signal
CN102543086B (en) * 2011-12-16 2013-08-14 大连理工大学 Device and method for expanding speech bandwidth based on audio watermarking
EP2704142B1 (en) * 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal
EP2709106A1 (en) 2012-09-17 2014-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal
EP2830060A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling in multichannel audio coding
US9564141B2 (en) * 2014-02-13 2017-02-07 Qualcomm Incorporated Harmonic bandwidth extension of audio signals
JP2016038435A (en) * 2014-08-06 2016-03-22 ソニー株式会社 Encoding device and method, decoding device and method, and program
RU2589305C1 (en) * 2014-11-18 2016-07-10 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации High-frequency signal generation method and device for its implementation
WO2016149085A2 (en) * 2015-03-13 2016-09-22 Psyx Research, Inc. System and method for dynamic recovery of audio data and compressed audio enhancement
EP3121814A1 (en) * 2015-07-24 2017-01-25 Sound object techology S.A. in organization A method and a system for decomposition of acoustic signal into sound objects, a sound object and its use
TW202341126A (en) 2017-03-23 2023-10-16 瑞典商都比國際公司 Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals

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US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
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Also Published As

Publication number Publication date
BR122017003818A2 (en) 2019-09-03
HK1154112A1 (en) 2012-04-20
CA2729474A1 (en) 2010-01-14
BRPI0910528A2 (en) 2018-05-22
AU2009267460B2 (en) 2013-01-10
TW201007708A (en) 2010-02-16
MY163454A (en) 2017-09-15
PL2291842T3 (en) 2014-08-29
KR20110033188A (en) 2011-03-30
RU2011100134A (en) 2012-07-20
EP2291842A1 (en) 2011-03-09
RU2512090C2 (en) 2014-04-10
MX2011000365A (en) 2011-02-25
AR072483A1 (en) 2010-09-01
BR122017003818B1 (en) 2024-03-05
BRPI0910528B1 (en) 2020-09-24
TWI415116B (en) 2013-11-11
JP5255699B2 (en) 2013-08-07
EP2291842B1 (en) 2014-03-12
KR101239812B1 (en) 2013-03-06
CN102105931A (en) 2011-06-22
CA2729474C (en) 2015-09-01
ES2461141T3 (en) 2014-05-16
CN102105931B (en) 2013-04-10
JP2011527452A (en) 2011-10-27
WO2010003557A1 (en) 2010-01-14
AU2009267460A1 (en) 2010-01-14
CO6541514A2 (en) 2012-10-16

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