DK1005695T3 - Fremgangsmåde og indretning til registrering af et anslag i et tidsdiskret audiosignal - Google Patents

Fremgangsmåde og indretning til registrering af et anslag i et tidsdiskret audiosignal

Info

Publication number
DK1005695T3
DK1005695T3 DK98937484T DK98937484T DK1005695T3 DK 1005695 T3 DK1005695 T3 DK 1005695T3 DK 98937484 T DK98937484 T DK 98937484T DK 98937484 T DK98937484 T DK 98937484T DK 1005695 T3 DK1005695 T3 DK 1005695T3
Authority
DK
Denmark
Prior art keywords
audio signal
discrete
time audio
time
energy
Prior art date
Application number
DK98937484T
Other languages
English (en)
Inventor
Johannes Hilpert
Juergen Herre
Bernhard Grill
Rainer Buchta
Karlheinz Brandenburg
Heinz Gerhaeuser
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
Application granted granted Critical
Publication of DK1005695T3 publication Critical patent/DK1005695T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
DK98937484T 1997-08-22 1998-06-15 Fremgangsmåde og indretning til registrering af et anslag i et tidsdiskret audiosignal DK1005695T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19736669A DE19736669C1 (de) 1997-08-22 1997-08-22 Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals
PCT/EP1998/003603 WO1999010886A2 (de) 1997-08-22 1998-06-15 Verfahren und vorrichtung zum erfassen eines anschlags in einem zeitdiskreten audiosignal

Publications (1)

Publication Number Publication Date
DK1005695T3 true DK1005695T3 (da) 2001-09-24

Family

ID=7839909

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98937484T DK1005695T3 (da) 1997-08-22 1998-06-15 Fremgangsmåde og indretning til registrering af et anslag i et tidsdiskret audiosignal

Country Status (6)

Country Link
US (2) US6453282B1 (da)
EP (1) EP1005695B1 (da)
AT (1) ATE203120T1 (da)
DE (2) DE19736669C1 (da)
DK (1) DK1005695T3 (da)
WO (1) WO1999010886A2 (da)

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US7069208B2 (en) * 2001-01-24 2006-06-27 Nokia, Corp. System and method for concealment of data loss in digital audio transmission
JP4290917B2 (ja) * 2002-02-08 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法、及び、符号化方法
US20030215013A1 (en) * 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
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KR100477699B1 (ko) * 2003-01-15 2005-03-18 삼성전자주식회사 양자화 잡음 분포 조절 방법 및 장치
TW594674B (en) * 2003-03-14 2004-06-21 Mediatek Inc Encoder and a encoding method capable of detecting audio signal transient
DE102004009949B4 (de) * 2004-03-01 2006-03-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes
JP4318119B2 (ja) * 2004-06-18 2009-08-19 国立大学法人京都大学 音響信号処理方法、音響信号処理装置、音響信号処理システム及びコンピュータプログラム
KR100668319B1 (ko) * 2004-12-07 2007-01-12 삼성전자주식회사 오디오 신호의 변환방법 및 장치와 오디오 신호에적응적인 부호화방법 및 장치, 오디오 신호의 역변환 방법및 장치와 오디오 신호에 적응적인 복호화 방법 및 장치
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WO2006114368A1 (de) * 2005-04-28 2006-11-02 Siemens Aktiengesellschaft Verfahren und vorrichtung zur geräuschunterdrückung
DE102005032079A1 (de) * 2005-07-08 2007-01-11 Siemens Ag Verfahren und Vorrichtung zur Geräuschunterdrückung
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
FR2911228A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard.
CN101308655B (zh) 2007-05-16 2011-07-06 展讯通信（上海）有限公司 一种音频编解码方法与装置
US20090144054A1 (en) * 2007-11-30 2009-06-04 Kabushiki Kaisha Toshiba Embedded system to perform frame switching
US8630848B2 (en) * 2008-05-30 2014-01-14 Digital Rise Technology Co., Ltd. Audio signal transient detection
PL2176862T3 (pl) * 2008-07-11 2012-03-30 Fraunhofer Ges Forschung Urządzenie i sposób do obliczania danych dotyczących zwiększania szerokości pasma za pomocą ramkowania sterowanego z wykorzystaniem nachylenia widma
US8380498B2 (en) * 2008-09-06 2013-02-19 GH Innovation, Inc. Temporal envelope coding of energy attack signal by using attack point location
EP2347411B1 (fr) * 2008-09-17 2012-12-05 France Télécom Attenuation de pre-echos dans un signal audionumerique
AU2014208306B9 (en) * 2009-03-26 2016-12-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Device and method for manipulating an audio signal
ES2374486T3 (es) * 2009-03-26 2012-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositivo y método para manipular una señal de audio.
TWI484473B (zh) 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
CN102214464B (zh) * 2010-04-02 2015-02-18 飞思卡尔半导体公司 音频信号的瞬态检测方法以及基于该方法的时长调整方法
US8489391B2 (en) * 2010-08-05 2013-07-16 Stmicroelectronics Asia Pacific Pte., Ltd. Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication
US9858942B2 (en) * 2011-07-07 2018-01-02 Nuance Communications, Inc. Single channel suppression of impulsive interferences in noisy speech signals
FR3000328A1 (fr) * 2012-12-21 2014-06-27 France Telecom Attenuation efficace de pre-echos dans un signal audionumerique
PL2959482T3 (pl) 2013-02-20 2019-10-31 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania lub dekodowania sygnału audio przy użyciu zakładki zależnej od lokalizacji transjentu
CN104143341B (zh) * 2013-05-23 2015-10-21 腾讯科技（深圳）有限公司 爆音检测方法和装置
CN104021791B (zh) * 2014-06-24 2017-02-22 贵州大学 数字音频波形突变的检测方法
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Also Published As

Publication number Publication date
ATE203120T1 (de) 2001-07-15
DE59801016D1 (de) 2001-08-16
US6826525B2 (en) 2004-11-30
WO1999010886A3 (de) 1999-06-10
EP1005695A2 (de) 2000-06-07
DE19736669C1 (de) 1998-10-22
WO1999010886A2 (de) 1999-03-04
US6453282B1 (en) 2002-09-17
EP1005695B1 (de) 2001-07-11
US20020173948A1 (en) 2002-11-21

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