PL376861A1 - Kodowanie sygnału audio - Google Patents

Kodowanie sygnału audio

Info

Publication number
PL376861A1
PL376861A1 PL376861A PL37686103A PL376861A1 PL 376861 A1 PL376861 A1 PL 376861A1 PL 376861 A PL376861 A PL 376861A PL 37686103 A PL37686103 A PL 37686103A PL 376861 A1 PL376861 A1 PL 376861A1
Authority
PL
Poland
Prior art keywords
sinusoidal
coding
audio signal
sequential segments
phase
Prior art date
Application number
PL376861A
Other languages
English (en)
Inventor
Brinker Albertus C. Den
Andreas J. Gerrits
Robert J. Sluijter
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of PL376861A1 publication Critical patent/PL376861A1/pl

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)
PL376861A 2002-11-29 2003-11-06 Kodowanie sygnału audio PL376861A1 (pl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PL376861A1 true PL376861A1 (pl) 2006-01-09

Family

ID=32405734

Family Applications (1)

Application Number Title Priority Date Filing Date
PL376861A PL376861A1 (pl) 2002-11-29 2003-11-06 Kodowanie sygnału audio

Country Status (14)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 2005-07-06 2008-04-02 Koninklijke Philips Electronics N.V. Parametric multi-channel decoding
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

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151471A (en) * 1977-11-04 1979-04-24 Burns Richard C System for reducing noise transients
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US5054072A (en) * 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
CA1332982C (en) * 1987-04-02 1994-11-08 Robert J. Mcauley Coding of acoustic waveforms
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
WO1995001680A1 (en) * 1993-06-30 1995-01-12 Sony Corporation Digital signal encoding device, its decoding device, and its recording medium
US5602959A (en) * 1994-12-05 1997-02-11 Motorola, Inc. Method and apparatus for characterization and reconstruction of speech excitation waveforms
US5646961A (en) * 1994-12-30 1997-07-08 Lucent Technologies Inc. Method for noise weighting filtering
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
US5710863A (en) * 1995-09-19 1998-01-20 Chen; Juin-Hwey Speech signal quantization using human auditory models in predictive coding systems
US5893057A (en) * 1995-10-24 1999-04-06 Ricoh Company Ltd. Voice-based verification and identification methods and systems
US5796842A (en) * 1996-06-07 1998-08-18 That Corporation BTSC encoder
JP2000515992A (ja) * 1996-07-30 2000-11-28 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 言語コーディング
US6269338B1 (en) * 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
US7295752B1 (en) * 1997-08-14 2007-11-13 Virage, Inc. Video cataloger system with audio track extraction
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
EP1568012B1 (en) 2007-12-12
WO2004051627A1 (en) 2004-06-17
EP1568012A1 (en) 2005-08-31
ATE381092T1 (de) 2007-12-15
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

Similar Documents

Publication Publication Date Title
AU2003274617A8 (en) Audio coding
WO2006020826A3 (en) Method and apparatus for fast encoding of data symbols according to half-weight codes
MY135697A (en) Picture coding method and picture decoding method
FR2820563B1 (fr) Procede de compression/decompression d'un document structure
EP0910067A4 (en) AUDIO SIGNAL ENCODING AND DECODING METHODS AND AUDIO SIGNAL ENCODERS AND DECODERS
ID20307A (id) Data pelengkap yang melekat pada sinyal pemberian kode
AU5324100A (en) Matched filter using time-multiplexed precombinations
EP1515446A4 (en) SIGNAL CODING METHOD, SIGNAL DECODING METHOD, SIGNAL CODING DEVICE, SIGNAL DECODING DEVICE, SIGNAL CODING PROGRAM AND SIGNAL DECODING PROGRAM
DE602005013103D1 (de) Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen
MX9603665A (es) Sistema de codificacion/descodificacion de informacion de imagen.
EP1056209A3 (en) Four-to-six code table, modulation using same but no merging bit, their application to optical disc recording or playing systems
WO2002037687A3 (en) Method of performing huffman decoding
DK0978172T3 (da) Fremgangsmåde til sløring af fejl i en adiodatastrøm
EP1441330A3 (en) Method of encoding and/or decoding digital audio using time-frequency correlation and apparatus performing the method
DE69930101D1 (de) Vorrichtung zum kodieren/dekodieren von n-bit-quellwörtern in korrespondierenden m-bit-kanalwörtern und umgekehrt
DE60014476D1 (de) Verfahren zur Kodierung, Dekodierung und Transkodierung eines Audiosignals
WO2003007131A3 (en) Circuits, systems and methods for volume control in 1-bit digital audio systems
WO2004047425A3 (en) Apparatus and method for multiple description encoding
CA2367055A1 (en) Video coding and decoding apparatus with error correction for handling arbitrary shaped blocks
WO2001089086A8 (en) Spectrum modeling
WO2004068717A3 (en) Current dac code independent switching
AU2003237010A1 (en) Sinusoidal audio coding
WO2001063769A3 (en) A data coding system
ATE330309T1 (de) Verknüpfen von signalkomponenten bei der parametrischen codierung
AU2003246832A1 (en) Method for coding and/or decoding error correcting codes, and corresponding devices and signal

Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)