BRPI0910528A2 - 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

Info

Publication number
BRPI0910528A2
BRPI0910528A2 BRPI0910528A BRPI0910528A BRPI0910528A2 BR PI0910528 A2 BRPI0910528 A2 BR PI0910528A2 BR PI0910528 A BRPI0910528 A BR PI0910528A BR PI0910528 A BRPI0910528 A BR PI0910528A BR PI0910528 A2 BRPI0910528 A2 BR PI0910528A2
Authority
BR
Brazil
Prior art keywords
signal generation
extended signal
bandwidth extended
generation instrument
instrument
Prior art date
Application number
BRPI0910528A
Other languages
English (en)
Inventor
Nagel Frederik
Gayer Marc
Lohwasser Markus
Neuendorf Max
Rettelbach Nikolaus
Disch Sascha
Bayer Stefan
Kraemer Ulrich
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Priority to BR122017003818-4A priority Critical patent/BR122017003818B1/pt
Publication of BRPI0910528A2 publication Critical patent/BRPI0910528A2/pt
Publication of BRPI0910528B1 publication Critical patent/BRPI0910528B1/pt

Links

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

Priority Applications (1)

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

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
BRPI0910528A2 true BRPI0910528A2 (pt) 2018-05-22
BRPI0910528B1 BRPI0910528B1 (pt) 2020-09-24

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 Before (1)

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

Country Status (17)

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)
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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WO2011110499A1 (en) 2010-03-09 2011-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal using patch border alignment
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
PL2532002T3 (pl) 2010-03-09 2014-06-30 Fraunhofer Ges Forschung Urządzenie, sposób i program komputerowy do przetwarzania sygnału audio
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
DK2765572T3 (da) * 2010-07-19 2017-11-06 Dolby Int Ab Behandling af audiosignaler under højfrekvens-rekonstruktion
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
IL317702A (en) 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
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
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
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
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
TWI901543B (zh) 2017-03-23 2025-10-11 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
CN116110424B (zh) * 2021-11-11 2025-07-15 腾讯科技(深圳)有限公司 一种语音带宽扩展方法及相关装置
CN114758672B (zh) * 2022-03-30 2025-06-13 深圳市潮流网络技术有限公司 一种音频生成方法、装置以及电子设备

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US654988A (en) * 1900-03-16 1900-07-31 Leonhard Lederer Process of making acetyl cellulose.
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
RU2256293C2 (ru) * 1997-06-10 2005-07-10 Коудинг Технолоджиз Аб Усовершенствование исходного кодирования с использованием дублирования спектральной полосы
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
EP1351401B1 (en) 2001-07-13 2009-01-14 Panasonic Corporation Audio signal decoding device and audio signal encoding device
CN1550002A (zh) * 2001-08-31 2004-11-24 皇家飞利浦电子股份有限公司 声音信号的带宽扩展
JP4380174B2 (ja) * 2003-02-27 2009-12-09 沖電気工業株式会社 帯域補正装置
JP4669394B2 (ja) * 2003-05-20 2011-04-13 パナソニック株式会社 オーディオ信号の帯域を拡張するための方法及び装置
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
JP5036317B2 (ja) * 2004-10-28 2012-09-26 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
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

Also Published As

Publication number Publication date
AU2009267460B2 (en) 2013-01-10
PL2291842T3 (pl) 2014-08-29
EP2291842A1 (en) 2011-03-09
CO6541514A2 (es) 2012-10-16
ZA201009164B (en) 2011-10-26
AU2009267460A1 (en) 2010-01-14
MX2011000365A (es) 2011-02-25
BR122017003818B1 (pt) 2024-03-05
KR101239812B1 (ko) 2013-03-06
KR20110033188A (ko) 2011-03-30
WO2010003557A1 (en) 2010-01-14
TWI415116B (zh) 2013-11-11
EP2291842B1 (en) 2014-03-12
CN102105931A (zh) 2011-06-22
CA2729474C (en) 2015-09-01
CA2729474A1 (en) 2010-01-14
BRPI0910528B1 (pt) 2020-09-24
HK1154112A1 (en) 2012-04-20
ES2461141T3 (es) 2014-05-16
JP5255699B2 (ja) 2013-08-07
RU2512090C2 (ru) 2014-04-10
BR122017003818A2 (pt) 2019-09-03
AR072483A1 (es) 2010-09-01
JP2011527452A (ja) 2011-10-27
TW201007708A (en) 2010-02-16
CN102105931B (zh) 2013-04-10
RU2011100134A (ru) 2012-07-20
MY163454A (en) 2017-09-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/09/2020, OBSERVADAS AS CONDICOES LEGAIS.