DE60318102D1 - Audiodekodierung - Google Patents
AudiodekodierungInfo
- Publication number
- DE60318102D1 DE60318102D1 DE60318102T DE60318102T DE60318102D1 DE 60318102 D1 DE60318102 D1 DE 60318102D1 DE 60318102 T DE60318102 T DE 60318102T DE 60318102 T DE60318102 T DE 60318102T DE 60318102 D1 DE60318102 D1 DE 60318102D1
- Authority
- DE
- Germany
- Prior art keywords
- sinusoidal
- sequential segments
- phase
- signal values
- sampled signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000005236 sound signal Effects 0.000 abstract 1
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Amplifiers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02080002 | 2002-11-29 | ||
EP02080002 | 2002-11-29 | ||
PCT/IB2003/005019 WO2004051627A1 (en) | 2002-11-29 | 2003-11-06 | Audio coding |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60318102D1 true DE60318102D1 (de) | 2008-01-24 |
DE60318102T2 DE60318102T2 (de) | 2008-11-27 |
Family
ID=32405734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60318102T Expired - Lifetime DE60318102T2 (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 (13)
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 |
CN1867969B (zh) | 2003-10-13 | 2010-06-16 | 皇家飞利浦电子股份有限公司 | 用于对音频信号进行编码或解码的方法和设备 |
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 |
CA3027803C (en) * | 2010-07-19 | 2020-04-07 | 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 (25)
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 |
DE69428030T2 (de) * | 1993-06-30 | 2002-05-29 | Sony Corp | Digitales signalkodierungsgerät, dazugehöriges dekodiergerät und aufzeichnungsträger |
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 |
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 |
ATE369600T1 (de) | 2000-03-15 | 2007-08-15 | Koninkl Philips Electronics Nv | Laguerre funktion für audiokodierung |
WO2001099097A1 (en) * | 2000-06-20 | 2001-12-27 | Koninklijke Philips Electronics N.V. | Sinusoidal coding |
JP2004518162A (ja) * | 2001-01-16 | 2004-06-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | パラメトリック符号化における信号成分の連結 |
DE60142800D1 (de) * | 2001-03-28 | 2010-09-23 | Mitsubishi Electric Corp | Rauschunterdrücker |
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 |
-
2003
- 2003-11-06 ES ES03758591T patent/ES2298568T3/es not_active Expired - Lifetime
- 2003-11-06 CN CNB2003801045917A patent/CN100559467C/zh not_active Expired - Fee Related
- 2003-11-06 KR KR1020057009520A patent/KR101016995B1/ko active IP Right Grant
- 2003-11-06 US US10/536,228 patent/US7664633B2/en not_active Expired - Fee Related
- 2003-11-06 AT AT03758591T patent/ATE381092T1/de not_active IP Right Cessation
- 2003-11-06 EP EP03758591A patent/EP1568012B1/de not_active Expired - Lifetime
- 2003-11-06 MX MXPA05005601A patent/MXPA05005601A/es active IP Right Grant
- 2003-11-06 AU AU2003274617A patent/AU2003274617A1/en not_active Abandoned
- 2003-11-06 RU RU2005120380/09A patent/RU2353980C2/ru not_active IP Right Cessation
- 2003-11-06 WO PCT/IB2003/005019 patent/WO2004051627A1/en active IP Right Grant
- 2003-11-06 PL PL376861A patent/PL376861A1/pl unknown
- 2003-11-06 JP JP2004556597A patent/JP4606171B2/ja not_active Expired - Fee Related
- 2003-11-06 BR BR0316663-5A patent/BR0316663A/pt not_active IP Right Cessation
- 2003-11-06 DE DE60318102T patent/DE60318102T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
RU2353980C2 (ru) | 2009-04-27 |
BR0316663A (pt) | 2005-10-11 |
ES2298568T3 (es) | 2008-05-16 |
KR101016995B1 (ko) | 2011-02-28 |
RU2005120380A (ru) | 2006-01-20 |
CN100559467C (zh) | 2009-11-11 |
CN1717719A (zh) | 2006-01-04 |
EP1568012B1 (de) | 2007-12-12 |
EP1568012A1 (de) | 2005-08-31 |
KR20050086871A (ko) | 2005-08-30 |
WO2004051627A1 (en) | 2004-06-17 |
ATE381092T1 (de) | 2007-12-15 |
JP4606171B2 (ja) | 2011-01-05 |
AU2003274617A8 (en) | 2004-06-23 |
AU2003274617A1 (en) | 2004-06-23 |
US20060036431A1 (en) | 2006-02-16 |
PL376861A1 (pl) | 2006-01-09 |
JP2006508394A (ja) | 2006-03-09 |
MXPA05005601A (es) | 2005-07-26 |
US7664633B2 (en) | 2010-02-16 |
DE60318102T2 (de) | 2008-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60318102D1 (de) | Audiodekodierung | |
DE60317203D1 (de) | Audio-kodierung | |
FR2820563B1 (fr) | Procede de compression/decompression d'un document structure | |
IT1281001B1 (it) | Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. | |
DE60302697D1 (de) | Verfahren zum Synchronisieren von Uhren in einem verteilten Kommunikationssystem | |
TWI257085B (en) | Method of encoding and decoding | |
ID20307A (id) | Data pelengkap yang melekat pada sinyal pemberian kode | |
DE60325314D1 (de) | Kodierung und Dekodierung von mehrkanaligen Tonsignalen | |
DK1040479T3 (da) | Rastertro redigering af kodede A/V-sekvenser | |
DK2282310T3 (da) | Entropi-kodning ved tilpasning af kodning mellem niveau- og runlængde /niveau-moduser | |
ATE288617T1 (de) | Wiederherstellung von hochfrequenzkomponenten | |
CA2440154A1 (en) | Picture encoding method and apparatus and picture decoding method and apparatus | |
TW200627811A (en) | A coder and a method of coding for codes having a constraint of r=2 | |
ATE452401T1 (de) | Audiocodierung | |
ES2160980T3 (es) | Procedimiento y dispositivos para codificar seÑales discretas o para decodificar seÑales discretas codificadas | |
ATE279004T1 (de) | Verfahren zur kodierung, dekodierung und transkodierung eines audiosignals | |
DE69930101D1 (de) | Vorrichtung zum kodieren/dekodieren von n-bit-quellwörtern in korrespondierenden m-bit-kanalwörtern und umgekehrt | |
MY129270A (en) | Arithmetic encoding and decoding of an information signal | |
ES2248549T3 (es) | Edicion de señales de audio. | |
BRPI0500673A (pt) | Sistema de codec de áudio e método de codificação de sinal de áudio usando o mesmo | |
ATE480050T1 (de) | Kodierer, dekodierer, verfahren zum kodieren/dekodieren, maschinell lesbare medien und computerprogramm-elemente | |
BR0315338A (pt) | Métodos para codificar um sinal de áudio e para decodificar um fluxor de áudio, codificador de áudio. reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenamento | |
DK1181829T3 (da) | Resynkroniseringsfremgangsmåde til dekodning af video | |
ATE356404T1 (de) | Sinusoidale audio-kodierung | |
ATE330309T1 (de) | Verknüpfen von signalkomponenten bei der parametrischen codierung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |