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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Canada
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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Publication of CA2729474A1 publication Critical patent/CA2729474A1/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
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 (pt)
JP (1) JP5255699B2 (pt)
KR (1) KR101239812B1 (pt)
CN (1) CN102105931B (pt)
AR (1) AR072483A1 (pt)
AU (1) AU2009267460B2 (pt)
BR (2) BR122017003818B1 (pt)
CA (1) CA2729474C (pt)
CO (1) CO6541514A2 (pt)
ES (1) ES2461141T3 (pt)
HK (1) HK1154112A1 (pt)
MX (1) MX2011000365A (pt)
MY (1) MY163454A (pt)
PL (1) PL2291842T3 (pt)
RU (1) RU2512090C2 (pt)
TW (1) TWI415116B (pt)
WO (1) WO2010003557A1 (pt)
ZA (1) ZA201009164B (pt)

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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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ES2836756T3 (es) 2010-01-19 2021-06-28 Dolby Int Ab Transposición armónica basada en bloque de sub bandas mejorada
CA2792449C (en) 2010-03-09 2017-12-05 Dolby International Ab Device and method for improved magnitude response and temporal alignment in a phase vocoder based bandwidth extension method for audio signals
EP2532002B1 (en) 2010-03-09 2014-01-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for processing an audio signal
MX2012010415A (es) 2010-03-09 2012-10-03 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio de entrada utilizando bancos de filtro en cascada.
EP2559032B1 (en) * 2010-04-16 2019-01-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
CA3203400C (en) * 2010-07-19 2023-09-26 Dolby International Ab Processing of audio signals during high frequency reconstruction
EP3975177B1 (en) 2010-09-16 2022-12-14 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
EP2791937B1 (en) * 2011-11-02 2016-06-08 Telefonaktiebolaget LM Ericsson (publ) Generation of a high band extension of a bandwidth extended audio signal
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
ES2549953T3 (es) * 2012-08-27 2015-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada
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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SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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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)
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KR20040035749A (ko) * 2001-08-31 2004-04-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 사운드 신호의 대역폭 확장 방법
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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
ES2461141T3 (es) 2014-05-16
AR072483A1 (es) 2010-09-01
EP2291842B1 (en) 2014-03-12
TW201007708A (en) 2010-02-16
CN102105931A (zh) 2011-06-22
MY163454A (en) 2017-09-15
TWI415116B (zh) 2013-11-11
CN102105931B (zh) 2013-04-10
JP2011527452A (ja) 2011-10-27
EP2291842A1 (en) 2011-03-09
HK1154112A1 (en) 2012-04-20
RU2512090C2 (ru) 2014-04-10
RU2011100134A (ru) 2012-07-20
KR20110033188A (ko) 2011-03-30
BRPI0910528A2 (pt) 2018-05-22
AU2009267460B2 (en) 2013-01-10
AU2009267460A1 (en) 2010-01-14
BRPI0910528B1 (pt) 2020-09-24
KR101239812B1 (ko) 2013-03-06
BR122017003818A2 (pt) 2019-09-03
BR122017003818B1 (pt) 2024-03-05
PL2291842T3 (pl) 2014-08-29
ZA201009164B (en) 2011-10-26
CA2729474A1 (en) 2010-01-14
CO6541514A2 (es) 2012-10-16
JP5255699B2 (ja) 2013-08-07
MX2011000365A (es) 2011-02-25
WO2010003557A1 (en) 2010-01-14

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