DE502005009035D1 - Informationssignalverarbeitung durch modifikation in der spektral-/modulationsspektralbereichsdarstellung - Google Patents

Informationssignalverarbeitung durch modifikation in der spektral-/modulationsspektralbereichsdarstellung

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Publication number
DE502005009035D1
DE502005009035D1 DE502005009035T DE502005009035T DE502005009035D1 DE 502005009035 D1 DE502005009035 D1 DE 502005009035D1 DE 502005009035 T DE502005009035 T DE 502005009035T DE 502005009035 T DE502005009035 T DE 502005009035T DE 502005009035 D1 DE502005009035 D1 DE 502005009035D1
Authority
DE
Germany
Prior art keywords
spectral
information signal
modulation
spectral representation
unit
Prior art date
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Active
Application number
DE502005009035T
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English (en)
Inventor
Sascha Disch
Karsten Linzmeier
Juergen Herre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of DE502005009035D1 publication Critical patent/DE502005009035D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L21/0208—Noise filtering
    • G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party
DE502005009035T 2004-04-30 2005-03-22 Informationssignalverarbeitung durch modifikation in der spektral-/modulationsspektralbereichsdarstellung Active DE502005009035D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004021403A DE102004021403A1 (de) 2004-04-30 2004-04-30 Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung
PCT/EP2005/003064 WO2005109240A1 (de) 2004-04-30 2005-03-22 Informationssignalverarbeitung durch modifikation in der spektral-/modulationsspektralbereichsdarstellung

Publications (1)

Publication Number Publication Date
DE502005009035D1 true DE502005009035D1 (de) 2010-04-01

Family

ID=34965409

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004021403A Withdrawn DE102004021403A1 (de) 2004-04-30 2004-04-30 Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung
DE502005009035T Active DE502005009035D1 (de) 2004-04-30 2005-03-22 Informationssignalverarbeitung durch modifikation in der spektral-/modulationsspektralbereichsdarstellung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004021403A Withdrawn DE102004021403A1 (de) 2004-04-30 2004-04-30 Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung

Country Status (16)

Country Link
US (1) US7574313B2 (de)
EP (1) EP1741039B1 (de)
JP (1) JP4473913B2 (de)
KR (1) KR100851424B1 (de)
CN (1) CN100583085C (de)
AT (1) ATE458225T1 (de)
AU (1) AU2005241157B8 (de)
BR (1) BRPI0509818B1 (de)
CA (1) CA2564970C (de)
DE (2) DE102004021403A1 (de)
HK (1) HK1097326A1 (de)
IL (1) IL178671A (de)
MX (1) MXPA06012424A (de)
NO (1) NO337309B1 (de)
RU (1) RU2351006C2 (de)
WO (1) WO2005109240A1 (de)

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US20090048828A1 (en) * 2007-08-15 2009-02-19 University Of Washington Gap interpolation in acoustic signals using coherent demodulation
US8126578B2 (en) * 2007-09-26 2012-02-28 University Of Washington Clipped-waveform repair in acoustic signals using generalized linear prediction
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EP2362376A3 (de) * 2010-02-26 2011-11-02 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Gerät und verfahren zur¨änderung eines audiosignals durch hüllkurvenenformung
EP2431970A1 (de) 2010-09-21 2012-03-21 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Wasserzeichengenerator, Wasserzeichendekodierer, Verfahren zur Bereitstellung eines mit einem Wasserzeichen markierten Signals basierend auf diskreten Datenwerten und Verfahren zur Bereitstellung von diskreten Datenwerten in Abhängigkeit eines mit einem Wasserzeichen markierten Signals
FR2977439A1 (fr) * 2011-06-28 2013-01-04 France Telecom Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard.
US20130070811A1 (en) * 2011-09-20 2013-03-21 Electronics And Telecommunications Research Institute Transmission/reception apparatus and method for filtered multi-tone system
US8634502B2 (en) * 2011-09-30 2014-01-21 Silicon Laboratories Inc. Receiver with asynchronous and synchronous demodulator
RU2505868C2 (ru) * 2011-12-07 2014-01-27 Ооо "Цифрасофт" Способ встраивания цифровой информации в аудиосигнал
TWI575962B (zh) * 2012-02-24 2017-03-21 杜比國際公司 部份複數處理之重疊濾波器組中的低延遲實數至複數轉換
CN105122359B (zh) * 2013-04-10 2019-04-23 杜比实验室特许公司 语音去混响的方法、设备和系统
EP2830063A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zum Dekodieren eines kodierten Audiosignals
MX354372B (es) 2013-08-23 2018-02-28 Fraunhofer Ges Forschung Aparato y método para procesar una señal de audio empleando una señal de error de efecto aliasing.
EP2963648A1 (de) * 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audioprozessor und Verfahren zur Verarbeitung eines Audiosignals mit vertikaler Phasenkorrektur
KR102356028B1 (ko) 2015-02-06 2022-01-26 삼성디스플레이 주식회사 표시 장치
MX2017010593A (es) 2015-02-26 2018-05-07 Fraunhofer Ges Forschung Aparato y método para procesar una señal de audio para obtener una señal de audio procesada usando una envolvente en el dominio del tiempo objetivo.
RU2746708C1 (ru) * 2020-07-29 2021-04-19 Закрытое акционерное общество "Перспективный мониторинг" Способ и устройство ввода водяного знака в аудиосигнал

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Also Published As

Publication number Publication date
MXPA06012424A (es) 2007-01-17
AU2005241157B2 (en) 2008-05-22
JP4473913B2 (ja) 2010-06-02
BRPI0509818B1 (pt) 2022-06-07
RU2006142324A (ru) 2008-06-10
EP1741039A1 (de) 2007-01-10
ATE458225T1 (de) 2010-03-15
BRPI0509818A (pt) 2007-09-18
NO337309B1 (no) 2016-03-07
CN100583085C (zh) 2010-01-20
WO2005109240A1 (de) 2005-11-17
IL178671A (en) 2011-03-31
NO20065423L (no) 2007-01-26
DE102004021403A1 (de) 2005-11-24
KR100851424B1 (ko) 2008-08-11
AU2005241157A1 (en) 2005-11-17
CA2564970A1 (en) 2005-11-17
CA2564970C (en) 2012-02-07
AU2005241157B8 (en) 2008-11-06
JP2007535849A (ja) 2007-12-06
IL178671A0 (en) 2007-02-11
US20070100610A1 (en) 2007-05-03
CN1950815A (zh) 2007-04-18
US7574313B2 (en) 2009-08-11
RU2351006C2 (ru) 2009-03-27
HK1097326A1 (en) 2007-06-22
KR20070015174A (ko) 2007-02-01
EP1741039B1 (de) 2010-02-17

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