CA2729474C - Apparatus and method for generating a bandwidth extended signal - Google Patents

Apparatus and method for generating a bandwidth extended signal Download PDF

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Publication number
CA2729474C
CA2729474C CA2729474A CA2729474A CA2729474C CA 2729474 C CA2729474 C CA 2729474C CA 2729474 A CA2729474 A CA 2729474A CA 2729474 A CA2729474 A CA 2729474A CA 2729474 C CA2729474 C CA 2729474C
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Prior art keywords
patch
input signal
band
signal
patching algorithm
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CA2729474A
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English (en)
French (fr)
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CA2729474A1 (en
Inventor
Frederik Nagel
Sascha Disch
Max Neuendorf
Stefan Bayer
Marc Gayer
Markus Lohwasser
Nikolaus Rettelbach
Ulrich Kraemer
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation

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  • 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)
CA2729474A 2008-07-11 2009-06-25 Apparatus and method for generating a bandwidth extended signal Active CA2729474C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7984908P 2008-07-11 2008-07-11
US61/079,849 2008-07-11
PCT/EP2009/004603 WO2010003557A1 (en) 2008-07-11 2009-06-25 Apparatus and method for generating a bandwidth extended signal

Publications (2)

Publication Number Publication Date
CA2729474A1 CA2729474A1 (en) 2010-01-14
CA2729474C true CA2729474C (en) 2015-09-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2729474A Active CA2729474C (en) 2008-07-11 2009-06-25 Apparatus and method for generating a bandwidth extended signal

Country Status (18)

Country Link
EP (1) EP2291842B1 (es)
JP (1) JP5255699B2 (es)
KR (1) KR101239812B1 (es)
CN (1) CN102105931B (es)
AR (1) AR072483A1 (es)
AU (1) AU2009267460B2 (es)
BR (2) BRPI0910528B1 (es)
CA (1) CA2729474C (es)
CO (1) CO6541514A2 (es)
ES (1) ES2461141T3 (es)
HK (1) HK1154112A1 (es)
MX (1) MX2011000365A (es)
MY (1) MY163454A (es)
PL (1) PL2291842T3 (es)
RU (1) RU2512090C2 (es)
TW (1) TWI415116B (es)
WO (1) WO2010003557A1 (es)
ZA (1) ZA201009164B (es)

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US11605391B2 (en) 2017-03-23 2023-03-14 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals

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PL3564954T3 (pl) * 2010-01-19 2021-04-06 Dolby International Ab Ulepszona transpozycja harmonicznych oparta na bloku podpasma
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
RU2591012C2 (ru) 2010-03-09 2016-07-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ обработки переходных процессов для аудио сигналов с изменением скорости воспроизведения или высоты тона
CA2792452C (en) 2010-03-09 2018-01-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an input audio signal using cascaded filterbanks
ES2719102T3 (es) * 2010-04-16 2019-07-08 Fraunhofer Ges Forschung Aparato, procedimiento y programa informático para generar una señal de banda ancha que utiliza extensión de ancho de banda guiada y extensión de ancho de banda ciega
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
US9117459B2 (en) * 2010-07-19 2015-08-25 Dolby International Ab Processing of audio signals during high frequency reconstruction
CA3220202A1 (en) * 2010-09-16 2012-03-22 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
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
CN102543086B (zh) * 2011-12-16 2013-08-14 大连理工大学 一种基于音频水印的语音带宽扩展的装置和方法
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 (ja) * 2014-08-06 2016-03-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
RU2589305C1 (ru) * 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 Способ генерации высокочастотных сигналов и устройство его реализации
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

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US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
RU2256293C2 (ru) * 1997-06-10 2005-07-10 Коудинг Технолоджиз Аб Усовершенствование исходного кодирования с использованием дублирования спектральной полосы
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
EP0945852A1 (en) * 1998-03-25 1999-09-29 BRITISH TELECOMMUNICATIONS public limited company Speech synthesis
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)
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
CN1272911C (zh) 2001-07-13 2006-08-30 松下电器产业株式会社 音频信号解码装置及音频信号编码装置
WO2003019534A1 (en) * 2001-08-31 2003-03-06 Koninklijke Philips Electronics N.V. Bandwidth extension of a sound signal
JP4380174B2 (ja) * 2003-02-27 2009-12-09 沖電気工業株式会社 帯域補正装置
US7577259B2 (en) * 2003-05-20 2009-08-18 Panasonic Corporation Method and apparatus for extending band of audio signal using higher harmonic wave generator
JP2005010621A (ja) * 2003-06-20 2005-01-13 Matsushita Electric Ind Co Ltd 音声帯域拡張装置及び帯域拡張方法
ATE480851T1 (de) * 2004-10-28 2010-09-15 Panasonic Corp Skalierbare codierungsvorrichtung, skalierbare decodierungsvorrichtung und verfahren dafür
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
JP5141180B2 (ja) * 2006-11-09 2013-02-13 ソニー株式会社 周波数帯域拡大装置及び周波数帯域拡大方法、再生装置及び再生方法、並びに、プログラム及び記録媒体

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11605391B2 (en) 2017-03-23 2023-03-14 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
US11621013B2 (en) 2017-03-23 2023-04-04 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
US11626123B2 (en) 2017-03-23 2023-04-11 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
US11676616B2 (en) 2017-03-23 2023-06-13 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
US11763830B2 (en) 2017-03-23 2023-09-19 Dolby International Ab Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals

Also Published As

Publication number Publication date
MX2011000365A (es) 2011-02-25
JP5255699B2 (ja) 2013-08-07
PL2291842T3 (pl) 2014-08-29
EP2291842B1 (en) 2014-03-12
ES2461141T3 (es) 2014-05-16
AR072483A1 (es) 2010-09-01
CN102105931A (zh) 2011-06-22
KR20110033188A (ko) 2011-03-30
KR101239812B1 (ko) 2013-03-06
CA2729474A1 (en) 2010-01-14
BRPI0910528A2 (pt) 2018-05-22
BR122017003818A2 (pt) 2019-09-03
BRPI0910528B1 (pt) 2020-09-24
AU2009267460B2 (en) 2013-01-10
CN102105931B (zh) 2013-04-10
RU2011100134A (ru) 2012-07-20
BR122017003818B1 (pt) 2024-03-05
CO6541514A2 (es) 2012-10-16
TWI415116B (zh) 2013-11-11
MY163454A (en) 2017-09-15
RU2512090C2 (ru) 2014-04-10
TW201007708A (en) 2010-02-16
WO2010003557A1 (en) 2010-01-14
ZA201009164B (en) 2011-10-26
AU2009267460A1 (en) 2010-01-14
JP2011527452A (ja) 2011-10-27
HK1154112A1 (en) 2012-04-20
EP2291842A1 (en) 2011-03-09

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