FI915873A0 - Polyfon kodning. - Google Patents
Polyfon kodning.Info
- Publication number
- FI915873A0 FI915873A0 FI915873A FI915873A FI915873A0 FI 915873 A0 FI915873 A0 FI 915873A0 FI 915873 A FI915873 A FI 915873A FI 915873 A FI915873 A FI 915873A FI 915873 A0 FI915873 A0 FI 915873A0
- Authority
- FI
- Finland
- Prior art keywords
- adaptive filter
- sum
- filter
- signal
- decoder
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 abstract 5
- 230000002087 whitening effect Effects 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Mathematical Physics (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898913758A GB8913758D0 (en) | 1989-06-15 | 1989-06-15 | Polyphonic coding |
PCT/GB1990/000928 WO1990016136A1 (fr) | 1989-06-15 | 1990-06-15 | Codage polyphonique |
Publications (1)
Publication Number | Publication Date |
---|---|
FI915873A0 true FI915873A0 (fi) | 1991-12-13 |
Family
ID=10658483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI915873A FI915873A0 (fi) | 1989-06-15 | 1991-12-13 | Polyfon kodning. |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0478615B2 (fr) |
JP (1) | JP2703405B2 (fr) |
AT (1) | ATE121900T1 (fr) |
AU (1) | AU640667B2 (fr) |
CA (1) | CA2058984C (fr) |
DE (1) | DE69018989T3 (fr) |
DK (1) | DK0478615T3 (fr) |
ES (1) | ES2071823T3 (fr) |
FI (1) | FI915873A0 (fr) |
GB (1) | GB8913758D0 (fr) |
HK (1) | HK137196A (fr) |
NO (1) | NO180030C (fr) |
WO (1) | WO1990016136A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5274740A (en) * | 1991-01-08 | 1993-12-28 | Dolby Laboratories Licensing Corporation | Decoder for variable number of channel presentation of multidimensional sound fields |
AU653582B2 (en) * | 1991-01-08 | 1994-10-06 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
DE4136825C1 (fr) * | 1991-11-08 | 1993-03-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
US5278909A (en) * | 1992-06-08 | 1994-01-11 | International Business Machines Corporation | System and method for stereo digital audio compression with co-channel steering |
EP0608937B1 (fr) * | 1993-01-27 | 2000-04-12 | Koninklijke Philips Electronics N.V. | Dispositif de traitement de signaux audio pour dériver un signal de canal central et système de reproduction audiovisuelle comprenant un tel dispositif de traitement |
DE4320990B4 (de) * | 1993-06-05 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Redundanzreduktion |
US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
DE19526366A1 (de) | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
GB2303516A (en) * | 1995-07-20 | 1997-02-19 | Plessey Telecomm | Teleconferencing |
US6016473A (en) * | 1998-04-07 | 2000-01-18 | Dolby; Ray M. | Low bit-rate spatial coding method and system |
DE19829284C2 (de) * | 1998-05-15 | 2000-03-16 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms |
SE519552C2 (sv) * | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
SE519976C2 (sv) | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
SE519985C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
SE519981C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
FR2821475B1 (fr) * | 2001-02-23 | 2003-05-09 | France Telecom | Procede et dispositif de reconstruction spectrale de signaux a plusieurs voies, notamment de signaux stereophoniques |
MX2007005261A (es) * | 2004-11-04 | 2007-07-09 | Koninkl Philips Electronics Nv | Codificacion y descodificacion de un conjunto de senales. |
EP2119306A4 (fr) * | 2007-03-01 | 2012-04-25 | Jerry Mahabub | Spatialisation audio et simulation d'environnement |
CN101981616A (zh) * | 2008-04-04 | 2011-02-23 | 松下电器产业株式会社 | 立体声信号变换装置、立体声信号逆变换装置及其方法 |
BR122020009727B1 (pt) | 2008-05-23 | 2021-04-06 | Koninklijke Philips N.V. | Método |
RU2559899C2 (ru) | 2010-04-09 | 2015-08-20 | Долби Интернешнл Аб | Стереофоническое кодирование на основе mdct с комплексным предсказанием |
EP2375409A1 (fr) | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio, décodeur audio et procédés connexes pour le traitement de signaux audio multicanaux au moyen d'une prédiction complexe |
BR112012026324B1 (pt) | 2010-04-13 | 2021-08-17 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V | Codificador de aúdio ou vídeo, decodificador de aúdio ou vídeo e métodos relacionados para o processamento do sinal de aúdio ou vídeo de múltiplos canais usando uma direção de previsão variável |
UA107771C2 (en) * | 2011-09-29 | 2015-02-10 | Dolby Int Ab | Prediction-based fm stereo radio noise reduction |
US9380387B2 (en) | 2014-08-01 | 2016-06-28 | Klipsch Group, Inc. | Phase independent surround speaker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU546069B2 (en) * | 1981-09-07 | 1985-08-15 | Kahn, Leonard Richard | Am stereo distortion correction |
JPH0761043B2 (ja) * | 1986-04-10 | 1995-06-28 | 株式会社東芝 | ステレオ音声伝送蓄積方式 |
GB8628046D0 (en) * | 1986-11-24 | 1986-12-31 | British Telecomm | Transmission system |
-
1989
- 1989-06-15 GB GB898913758A patent/GB8913758D0/en active Pending
-
1990
- 1990-06-15 AU AU58379/90A patent/AU640667B2/en not_active Ceased
- 1990-06-15 DE DE69018989T patent/DE69018989T3/de not_active Expired - Lifetime
- 1990-06-15 WO PCT/GB1990/000928 patent/WO1990016136A1/fr active IP Right Grant
- 1990-06-15 AT AT90909155T patent/ATE121900T1/de not_active IP Right Cessation
- 1990-06-15 EP EP90909155A patent/EP0478615B2/fr not_active Expired - Lifetime
- 1990-06-15 DK DK90909155.5T patent/DK0478615T3/da active
- 1990-06-15 ES ES90909155T patent/ES2071823T3/es not_active Expired - Lifetime
- 1990-06-15 JP JP2508936A patent/JP2703405B2/ja not_active Expired - Lifetime
- 1990-06-15 CA CA002058984A patent/CA2058984C/fr not_active Expired - Lifetime
-
1991
- 1991-12-13 FI FI915873A patent/FI915873A0/fi unknown
- 1991-12-13 NO NO914947A patent/NO180030C/no unknown
-
1996
- 1996-07-25 HK HK137196A patent/HK137196A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE121900T1 (de) | 1995-05-15 |
EP0478615B1 (fr) | 1995-04-26 |
DE69018989T3 (de) | 1998-11-19 |
HK137196A (en) | 1996-08-02 |
AU5837990A (en) | 1991-01-08 |
NO180030B (no) | 1996-10-21 |
DE69018989D1 (de) | 1995-06-01 |
DE69018989T2 (de) | 1995-09-07 |
NO914947D0 (no) | 1991-12-13 |
NO180030C (no) | 1997-01-29 |
CA2058984A1 (fr) | 1990-12-16 |
NO914947L (no) | 1992-02-13 |
AU640667B2 (en) | 1993-09-02 |
CA2058984C (fr) | 1998-12-01 |
EP0478615B2 (fr) | 1998-04-15 |
JP2703405B2 (ja) | 1998-01-26 |
WO1990016136A1 (fr) | 1990-12-27 |
JPH04506141A (ja) | 1992-10-22 |
DK0478615T3 (da) | 1995-07-17 |
ES2071823T3 (es) | 1995-07-01 |
GB8913758D0 (en) | 1989-08-02 |
EP0478615A1 (fr) | 1992-04-08 |
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