EP1697929B1 - Verfahren und vorrichtung zum quantisieren eines informationssignals - Google Patents

Verfahren und vorrichtung zum quantisieren eines informationssignals Download PDF

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Publication number
EP1697929B1
EP1697929B1 EP05715289A EP05715289A EP1697929B1 EP 1697929 B1 EP1697929 B1 EP 1697929B1 EP 05715289 A EP05715289 A EP 05715289A EP 05715289 A EP05715289 A EP 05715289A EP 1697929 B1 EP1697929 B1 EP 1697929B1
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EP
European Patent Office
Prior art keywords
audio
values
block
threshold
value
Prior art date
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Application number
EP05715289A
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German (de)
English (en)
French (fr)
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EP1697929A1 (de
Inventor
Gerald Schuller
Stefan Wabnik
Jens Hirschfeld
Wolfgang Fiesel
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Publication of EP1697929A1 publication Critical patent/EP1697929A1/de
Application granted granted Critical
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    • 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
EP05715289A 2004-02-13 2005-02-10 Verfahren und vorrichtung zum quantisieren eines informationssignals Active EP1697929B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007184A DE102004007184B3 (de) 2004-02-13 2004-02-13 Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
PCT/EP2005/001343 WO2005078703A1 (de) 2004-02-13 2005-02-10 Verfahren und vorrichtung zum quantisieren eines informationssignals

Publications (2)

Publication Number Publication Date
EP1697929A1 EP1697929A1 (de) 2006-09-06
EP1697929B1 true EP1697929B1 (de) 2007-10-31

Family

ID=34853461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05715289A Active EP1697929B1 (de) 2004-02-13 2005-02-10 Verfahren und vorrichtung zum quantisieren eines informationssignals

Country Status (16)

Country Link
US (1) US7464027B2 (zh)
EP (1) EP1697929B1 (zh)
JP (1) JP4444295B2 (zh)
KR (1) KR100813193B1 (zh)
CN (1) CN1918630B (zh)
AT (1) ATE377243T1 (zh)
AU (1) AU2005213767B2 (zh)
BR (1) BRPI0506627B1 (zh)
CA (1) CA2555639C (zh)
DE (2) DE102004007184B3 (zh)
ES (1) ES2294685T3 (zh)
HK (1) HK1093814A1 (zh)
IL (1) IL177164A (zh)
NO (1) NO337836B1 (zh)
RU (1) RU2337413C2 (zh)
WO (1) WO2005078703A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009955B3 (de) * 2004-03-01 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln einer Quantisierer-Schrittweite
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
JP4640020B2 (ja) * 2005-07-29 2011-03-02 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
DE102006022346B4 (de) 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
WO2008046492A1 (en) * 2006-10-20 2008-04-24 Dolby Sweden Ab Apparatus and method for encoding an information signal
US7823092B1 (en) * 2007-11-23 2010-10-26 Altera Corporation Method and apparatus for implementing a parameterizable filter block with an electronic design automation tool
EP2830063A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for decoding an encoded audio signal
PL3174050T3 (pl) * 2014-07-25 2019-04-30 Fraunhofer Ges Forschung Urządzenie do kodowania sygnałów audio, urządzenie do dekodowania sygnałów audio i ich sposoby
DE102014220687A1 (de) * 2014-10-13 2016-04-14 Continental Automotive Gmbh Kommunikationsvorrichtung für ein Fahrzeug und Verfahren zum Kommunizieren
RU2754497C1 (ru) * 2020-11-17 2021-09-02 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Способ передачи речевых файлов по зашумленному каналу и устройство для его реализации

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
DE3506912A1 (de) 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
DE3820037A1 (de) 1988-06-13 1989-12-14 Ant Nachrichtentech Bildcodierverfahren und einrichtung
DE3820038A1 (de) * 1988-06-13 1989-12-14 Ant Nachrichtentech Verfahren zur aufbereitung und uebertragung einer bildsequenz
JP3186290B2 (ja) * 1993-01-20 2001-07-11 ソニー株式会社 符号化方法、符号化装置、復号化装置及び記録媒体
US5581653A (en) * 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
DE19549621B4 (de) * 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Codieren von Audiosignalen
GB2307833B (en) * 1995-12-01 2000-06-07 Geco As A data compression method and apparatus for seismic data
CA2259374A1 (en) * 1996-07-05 1998-01-15 The Victoria University Of Manchester Speech synthesis system
US6370477B1 (en) * 1996-11-22 2002-04-09 Schlumberger Technology Corporation Compression method and apparatus for seismic data
US6131084A (en) 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
KR100335609B1 (ko) 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
US6195633B1 (en) * 1998-09-09 2001-02-27 Sony Corporation System and method for efficiently implementing a masking function in a psycho-acoustic modeler
KR100440896B1 (ko) * 1998-12-30 2004-09-18 주식회사 대우일렉트로닉스 양자화복호화장치
WO2000063886A1 (en) * 1999-04-16 2000-10-26 Dolby Laboratories Licensing Corporation Using gain-adaptive quantization and non-uniform symbol lengths for audio coding
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
EP1228569A1 (en) 1999-10-30 2002-08-07 STMicroelectronics Asia Pacific Pte Ltd. A method of encoding frequency coefficients in an ac-3 encoder
US7110953B1 (en) * 2000-06-02 2006-09-19 Agere Systems Inc. Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction
KR20030086331A (ko) * 2001-03-28 2003-11-07 소니 가부시끼 가이샤 양자화 장치, 양자화 방법, 양자화 프로그램 및 기록 매체
DE10217297A1 (de) * 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
CA2388352A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed

Also Published As

Publication number Publication date
RU2006132742A (ru) 2008-03-20
CA2555639C (en) 2012-07-10
JP2007522509A (ja) 2007-08-09
IL177164A (en) 2010-11-30
JP4444295B2 (ja) 2010-03-31
KR100813193B1 (ko) 2008-03-13
CN1918630A (zh) 2007-02-21
US7464027B2 (en) 2008-12-09
KR20060113999A (ko) 2006-11-03
DE502005001821D1 (de) 2007-12-13
IL177164A0 (en) 2006-12-10
CA2555639A1 (en) 2005-08-25
AU2005213767B2 (en) 2008-04-10
US20070043557A1 (en) 2007-02-22
EP1697929A1 (de) 2006-09-06
NO20064091L (no) 2006-11-10
NO337836B1 (no) 2016-06-27
DE102004007184B3 (de) 2005-09-22
AU2005213767A1 (en) 2005-08-25
ATE377243T1 (de) 2007-11-15
WO2005078703A1 (de) 2005-08-25
BRPI0506627B1 (pt) 2018-10-09
HK1093814A1 (en) 2007-03-09
CN1918630B (zh) 2010-04-14
BRPI0506627A (pt) 2007-05-02
RU2337413C2 (ru) 2008-10-27
ES2294685T3 (es) 2008-04-01

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