NO338874B1 - Anordninger og fremgangsmåter for audioomkoding - Google Patents

Anordninger og fremgangsmåter for audioomkoding

Info

Publication number
NO338874B1
NO338874B1 NO20064092A NO20064092A NO338874B1 NO 338874 B1 NO338874 B1 NO 338874B1 NO 20064092 A NO20064092 A NO 20064092A NO 20064092 A NO20064092 A NO 20064092A NO 338874 B1 NO338874 B1 NO 338874B1
Authority
NO
Norway
Prior art keywords
audio values
audio
sequence
methods
parameterizations
Prior art date
Application number
NO20064092A
Other languages
English (en)
Other versions
NO20064092L (no
Inventor
Manfred Lutzky
Gerald Schuller
Stefan Wabnik
Jens Hirschfeld
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
Publication of NO20064092L publication Critical patent/NO20064092L/no
Publication of NO338874B1 publication Critical patent/NO338874B1/no

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
    • 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
    • G10L19/04—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 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cereal-Derived Products (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NO20064092A 2004-02-13 2006-09-12 Anordninger og fremgangsmåter for audioomkoding NO338874B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007191A DE102004007191B3 (de) 2004-02-13 2004-02-13 Audiocodierung
PCT/EP2005/001363 WO2005078705A1 (de) 2004-02-13 2005-02-10 Audiocodierung

Publications (2)

Publication Number Publication Date
NO20064092L NO20064092L (no) 2006-11-10
NO338874B1 true NO338874B1 (no) 2016-10-31

Family

ID=34813339

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20064092A NO338874B1 (no) 2004-02-13 2006-09-12 Anordninger og fremgangsmåter for audioomkoding

Country Status (17)

Country Link
US (1) US7716042B2 (no)
EP (1) EP1697928B1 (no)
JP (1) JP4444297B2 (no)
KR (1) KR100848370B1 (no)
CN (1) CN1918631B (no)
AT (1) ATE441919T1 (no)
AU (1) AU2005213770B2 (no)
BR (1) BRPI0506628B1 (no)
CA (1) CA2556325C (no)
DE (2) DE102004007191B3 (no)
DK (1) DK1697928T3 (no)
ES (1) ES2331889T3 (no)
HK (1) HK1094079A1 (no)
IL (1) IL177163A (no)
NO (1) NO338874B1 (no)
RU (1) RU2346339C2 (no)
WO (1) WO2005078705A1 (no)

Families Citing this family (8)

* 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
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
US8160890B2 (en) 2006-12-13 2012-04-17 Panasonic Corporation Audio signal coding method and decoding method
US8190440B2 (en) * 2008-02-29 2012-05-29 Broadcom Corporation Sub-band codec with native voice activity detection
ES2441069T3 (es) * 2009-10-08 2014-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación
RU2683175C2 (ru) 2010-04-09 2019-03-26 Долби Интернешнл Аб Стереофоническое кодирование на основе mdct с комплексным предсказанием
US9060223B2 (en) 2013-03-07 2015-06-16 Aphex, Llc Method and circuitry for processing audio signals
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
DE3820038A1 (de) 1988-06-13 1989-12-14 Ant Nachrichtentech Verfahren zur aufbereitung und uebertragung einer bildsequenz
DE3820037A1 (de) * 1988-06-13 1989-12-14 Ant Nachrichtentech Bildcodierverfahren und einrichtung
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
TW295747B (no) * 1994-06-13 1997-01-11 Sony Co Ltd
DE19537338C2 (de) 1995-10-06 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
GB2307833B (en) 1995-12-01 2000-06-07 Geco As A data compression method and apparatus for seismic data
WO1998001848A1 (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
EP0878790A1 (en) * 1997-05-15 1998-11-18 Hewlett-Packard Company Voice coding system and method
KR100335609B1 (ko) 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
JP4843142B2 (ja) 1999-04-16 2011-12-21 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 音声符号化のための利得−適応性量子化及び不均一符号長の使用
US6775587B1 (en) * 1999-10-30 2004-08-10 Stmicroelectronics Asia Pacific Pte Ltd. 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
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
ES2599637T3 (es) * 2002-03-27 2017-02-02 Panasonic Intellectual Property Corporation Of America Sistema de codificación y decodificación de longitud variable y procedimiento de codificación y decodificación de longitud variable
CA2388352A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
JP2007099007A (ja) * 2005-09-30 2007-04-19 Auto Network Gijutsu Kenkyusho:Kk ワイヤハーネスの配索構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SCHULLER G D T ET AL: perceptual audio coding using adaptive pre- and post-filters and lossless compression, IEEE TRANSCATIONS ON SPEECH AND AUDIO PROCESSING, IEEE INC NEW YORK, US Bd. 10, Nr 6, September 2002 (2002-09) page 379-390. , Dated: 01.01.0001 *

Also Published As

Publication number Publication date
DK1697928T3 (da) 2009-12-07
KR20060114002A (ko) 2006-11-03
NO20064092L (no) 2006-11-10
DE102004007191B3 (de) 2005-09-01
BRPI0506628A (pt) 2007-05-02
IL177163A0 (en) 2006-12-10
CA2556325A1 (en) 2005-08-25
US20070016402A1 (en) 2007-01-18
US7716042B2 (en) 2010-05-11
JP4444297B2 (ja) 2010-03-31
DE502005008041D1 (de) 2009-10-15
AU2005213770A1 (en) 2005-08-25
RU2006132739A (ru) 2008-03-20
EP1697928B1 (de) 2009-09-02
AU2005213770B2 (en) 2008-05-15
IL177163A (en) 2010-11-30
CN1918631A (zh) 2007-02-21
RU2346339C2 (ru) 2009-02-10
ATE441919T1 (de) 2009-09-15
CA2556325C (en) 2010-07-13
BRPI0506628B1 (pt) 2018-10-09
WO2005078705A1 (de) 2005-08-25
HK1094079A1 (en) 2007-03-16
EP1697928A1 (de) 2006-09-06
CN1918631B (zh) 2010-07-28
ES2331889T3 (es) 2010-01-19
JP2007522511A (ja) 2007-08-09
KR100848370B1 (ko) 2008-07-24

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