ATE381092T1 - Audiodekodierung - Google Patents

Audiodekodierung

Info

Publication number
ATE381092T1
ATE381092T1 AT03758591T AT03758591T ATE381092T1 AT E381092 T1 ATE381092 T1 AT E381092T1 AT 03758591 T AT03758591 T AT 03758591T AT 03758591 T AT03758591 T AT 03758591T AT E381092 T1 ATE381092 T1 AT E381092T1
Authority
AT
Austria
Prior art keywords
sinusoidal
sequential segments
phase
signal values
sampled signal
Prior art date
Application number
AT03758591T
Other languages
English (en)
Inventor
Brinker Albertus Den
Andreas Gerrits
Robert J Sluijter
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE381092T1 publication Critical patent/ATE381092T1/de

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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cereal-Derived Products (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT03758591T 2002-11-29 2003-11-06 Audiodekodierung ATE381092T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02080002 2002-11-29

Publications (1)

Publication Number Publication Date
ATE381092T1 true ATE381092T1 (de) 2007-12-15

Family

ID=32405734

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03758591T ATE381092T1 (de) 2002-11-29 2003-11-06 Audiodekodierung

Country Status (14)

Country Link
US (1) US7664633B2 (de)
EP (1) EP1568012B1 (de)
JP (1) JP4606171B2 (de)
KR (1) KR101016995B1 (de)
CN (1) CN100559467C (de)
AT (1) ATE381092T1 (de)
AU (1) AU2003274617A1 (de)
BR (1) BR0316663A (de)
DE (1) DE60318102T2 (de)
ES (1) ES2298568T3 (de)
MX (1) MXPA05005601A (de)
PL (1) PL376861A1 (de)
RU (1) RU2353980C2 (de)
WO (1) WO2004051627A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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CN1846253B (zh) * 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
ATE452401T1 (de) 2003-10-13 2010-01-15 Koninkl Philips Electronics Nv Audiocodierung
EP1905008A2 (de) * 2005-07-06 2008-04-02 Koninklijke Philips Electronics N.V. Parametrische multikanal-dekodierung
KR101393298B1 (ko) * 2006-07-08 2014-05-12 삼성전자주식회사 적응적 부호화/복호화 방법 및 장치
KR20080073925A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치
KR101080421B1 (ko) * 2007-03-16 2011-11-04 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치
KR101410230B1 (ko) * 2007-08-17 2014-06-20 삼성전자주식회사 종지 정현파 신호와 일반적인 연속 정현파 신호를 다른방식으로 처리하는 오디오 신호 인코딩 방법 및 장치와오디오 신호 디코딩 방법 및 장치
KR101410229B1 (ko) * 2007-08-20 2014-06-23 삼성전자주식회사 오디오 신호의 연속 정현파 신호 정보를 인코딩하는 방법및 장치와 디코딩 방법 및 장치
KR101425354B1 (ko) * 2007-08-28 2014-08-06 삼성전자주식회사 오디오 신호의 연속 정현파 신호를 인코딩하는 방법 및장치와 디코딩 방법 및 장치
DK2765572T3 (da) 2010-07-19 2017-11-06 Dolby Int Ab Behandling af audiosignaler under højfrekvens-rekonstruktion
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
JP5752324B2 (ja) * 2011-07-07 2015-07-22 ニュアンス コミュニケーションズ， インコーポレイテッド 雑音の入った音声信号中のインパルス性干渉の単一チャネル抑制
PL232466B1 (pl) 2015-01-19 2019-06-28 Zylia Spolka Z Ograniczona Odpowiedzialnoscia Sposób kodowania, sposób dekodowania, koder oraz dekoder sygnału audio
US10957331B2 (en) 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
US10847172B2 (en) 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder

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US5179626A (en) * 1988-04-08 1993-01-12 At&T Bell Laboratories Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis
US5119397A (en) * 1990-04-26 1992-06-02 Telefonaktiebolaget L M Ericsson Combined analog and digital cellular telephone system having a secondary set of control channels
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US6269338B1 (en) * 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
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JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
US6496797B1 (en) * 1999-04-01 2002-12-17 Lg Electronics Inc. Apparatus and method of speech coding and decoding using multiple frames
US7039581B1 (en) * 1999-09-22 2006-05-02 Texas Instruments Incorporated Hybrid speed coding and system
KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법
WO2001099097A1 (en) * 2000-06-20 2001-12-27 Koninklijke Philips Electronics N.V. Sinusoidal coding
BR0109237A (pt) * 2001-01-16 2002-12-03 Koninkl Philips Electronics Nv Codificador paramétrico, método de codificação paramétrica, decodificador paramétrico, método de decodificação, fluxo de dados incluindo dados de código senoidais, e, meio de armazenamento
ATE330309T1 (de) * 2001-01-16 2006-07-15 Koninkl Philips Electronics Nv Verknüpfen von signalkomponenten bei der parametrischen codierung
CN1282155C (zh) * 2001-03-28 2006-10-25 三菱电机株式会社 噪声抑制装置和方法
US7184951B2 (en) * 2002-02-15 2007-02-27 Radiodetection Limted Methods and systems for generating phase-derivative sound
CN1846253B (zh) * 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
TWI253625B (en) * 2004-04-06 2006-04-21 I-Shun Huang Signal-processing system and method thereof

Also Published As

Publication number Publication date
PL376861A1 (pl) 2006-01-09
EP1568012B1 (de) 2007-12-12
WO2004051627A1 (en) 2004-06-17
EP1568012A1 (de) 2005-08-31
DE60318102D1 (de) 2008-01-24
RU2005120380A (ru) 2006-01-20
AU2003274617A8 (en) 2004-06-23
US7664633B2 (en) 2010-02-16
DE60318102T2 (de) 2008-11-27
MXPA05005601A (es) 2005-07-26
US20060036431A1 (en) 2006-02-16
CN1717719A (zh) 2006-01-04
KR101016995B1 (ko) 2011-02-28
JP2006508394A (ja) 2006-03-09
JP4606171B2 (ja) 2011-01-05
AU2003274617A1 (en) 2004-06-23
BR0316663A (pt) 2005-10-11
ES2298568T3 (es) 2008-05-16
KR20050086871A (ko) 2005-08-30
CN100559467C (zh) 2009-11-11
RU2353980C2 (ru) 2009-04-27

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