BR122017003818B1 - Instrumento e método para geração de sinal estendido de largura de banda - Google Patents

Instrumento e método para geração de sinal estendido de largura de banda Download PDF

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Publication number
BR122017003818B1
BR122017003818B1 BR122017003818-4A BR122017003818A BR122017003818B1 BR 122017003818 B1 BR122017003818 B1 BR 122017003818B1 BR 122017003818 A BR122017003818 A BR 122017003818A BR 122017003818 B1 BR122017003818 B1 BR 122017003818B1
Authority
BR
Brazil
Prior art keywords
patch
input signal
signal
band
bandwidth
Prior art date
Application number
BR122017003818-4A
Other languages
English (en)
Portuguese (pt)
Other versions
BR122017003818A2 (pt
Inventor
Frederik Nagel
Sascha Disch
Max Neuendorf
Stefan Bayer
Marc Gayer
Markus Lohwasser
Nikolaus Rettelbach
Ulrich Krämer
Original Assignee
Fraunhofer-Gesellschaft zur Föerderung der Angewandten 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 Föerderung der Angewandten Forschung E.V. filed Critical Fraunhofer-Gesellschaft zur Föerderung der Angewandten Forschung E.V.
Publication of BR122017003818A2 publication Critical patent/BR122017003818A2/pt
Publication of BR122017003818B1 publication Critical patent/BR122017003818B1/pt

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Classifications

    • 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

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)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Transmitters (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BR122017003818-4A 2008-07-11 2009-06-25 Instrumento e método para geração de sinal estendido de largura de banda BR122017003818B1 (pt)

Applications Claiming Priority (4)

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
BRPI0910528-0A BRPI0910528B1 (pt) 2008-07-11 2009-06-25 Instrumento e método para geração de sinal estendido de largura de banda

Publications (2)

Publication Number Publication Date
BR122017003818A2 BR122017003818A2 (pt) 2019-09-03
BR122017003818B1 true BR122017003818B1 (pt) 2024-03-05

Family

ID=41162740

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122017003818-4A BR122017003818B1 (pt) 2008-07-11 2009-06-25 Instrumento e método para geração de sinal estendido de largura de banda
BRPI0910528-0A BRPI0910528B1 (pt) 2008-07-11 2009-06-25 Instrumento e método para geração de sinal estendido de largura de banda

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0910528-0A BRPI0910528B1 (pt) 2008-07-11 2009-06-25 Instrumento e método para geração de sinal estendido de largura de banda

Country Status (18)

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

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AU2011226212B2 (en) * 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
RU2596033C2 (ru) 2010-03-09 2016-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ получения улучшенной частотной характеристики и временного фазирования способом расширения полосы аудио сигналов в фазовом вокодере
WO2011110496A1 (en) 2010-03-09 2011-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
RU2527735C2 (ru) * 2010-04-16 2014-09-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство, способ и компьютерная программа для выработки широкополосного сигнала с использованием управляемого расширения ширины полосы и слепого расширения ширины полосы
SG10201505469SA (en) * 2010-07-19 2015-08-28 Dolby Int Ab Processing of audio signals during high frequency reconstruction
CA2808353C (en) 2010-09-16 2017-05-02 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
PL2791937T3 (pl) * 2011-11-02 2016-11-30 Wytworzenie rozszerzenia pasma wysokiego sygnału dźwiękowego o poszerzonym paśmie
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
TW202341126A (zh) 2017-03-23 2023-10-16 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合

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Also Published As

Publication number Publication date
EP2291842A1 (en) 2011-03-09
AU2009267460B2 (en) 2013-01-10
CN102105931B (zh) 2013-04-10
MY163454A (en) 2017-09-15
CN102105931A (zh) 2011-06-22
CA2729474A1 (en) 2010-01-14
JP2011527452A (ja) 2011-10-27
RU2512090C2 (ru) 2014-04-10
HK1154112A1 (en) 2012-04-20
AR072483A1 (es) 2010-09-01
CO6541514A2 (es) 2012-10-16
EP2291842B1 (en) 2014-03-12
AU2009267460A1 (en) 2010-01-14
ES2461141T3 (es) 2014-05-16
KR101239812B1 (ko) 2013-03-06
BR122017003818A2 (pt) 2019-09-03
WO2010003557A1 (en) 2010-01-14
MX2011000365A (es) 2011-02-25
PL2291842T3 (pl) 2014-08-29
KR20110033188A (ko) 2011-03-30
RU2011100134A (ru) 2012-07-20
BRPI0910528B1 (pt) 2020-09-24
TW201007708A (en) 2010-02-16
TWI415116B (zh) 2013-11-11
CA2729474C (en) 2015-09-01
ZA201009164B (en) 2011-10-26
JP5255699B2 (ja) 2013-08-07
BRPI0910528A2 (pt) 2018-05-22

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Legal Events

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B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/06/2009, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.