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

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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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KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
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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
BR122017003818B1 (pt) 2024-03-05
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
JP5255699B2 (ja) 2013-08-07
BRPI0910528A2 (pt) 2018-05-22

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