PL1639580T3 - Kodowanie sygnałów wielokanałowych - Google Patents
Kodowanie sygnałów wielokanałowychInfo
- Publication number
- PL1639580T3 PL1639580T3 PL04809080T PL04809080T PL1639580T3 PL 1639580 T3 PL1639580 T3 PL 1639580T3 PL 04809080 T PL04809080 T PL 04809080T PL 04809080 T PL04809080 T PL 04809080T PL 1639580 T3 PL1639580 T3 PL 1639580T3
- Authority
- PL
- Poland
- Prior art keywords
- coding
- channel signals
- signals
- channel
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0303499A SE0303499D0 (sv) | 2003-12-19 | 2003-12-19 | Multi-channel coding using gain-shape constrained filters |
SE0400415A SE527713C2 (sv) | 2003-12-19 | 2004-02-20 | Kodning av polyfoniska signaler med villkorsbegränsade filter |
EP04809080.7A EP1639580B1 (en) | 2003-12-19 | 2004-12-15 | Coding of multi-channel signals |
PCT/SE2004/001907 WO2005059901A1 (en) | 2003-12-19 | 2004-12-15 | Constrained filter encoding of polyphonic signals |
Publications (1)
Publication Number | Publication Date |
---|---|
PL1639580T3 true PL1639580T3 (pl) | 2014-04-30 |
Family
ID=31996352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL04809080T PL1639580T3 (pl) | 2003-12-19 | 2004-12-15 | Kodowanie sygnałów wielokanałowych |
Country Status (8)
Country | Link |
---|---|
EP (2) | EP1639580B1 (pl) |
JP (1) | JP4323520B2 (pl) |
DK (1) | DK1639580T3 (pl) |
ES (1) | ES2439693T3 (pl) |
PL (1) | PL1639580T3 (pl) |
PT (1) | PT1639580E (pl) |
SE (1) | SE527713C2 (pl) |
WO (1) | WO2005059901A1 (pl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100010811A1 (en) * | 2006-08-04 | 2010-01-14 | Panasonic Corporation | Stereo audio encoding device, stereo audio decoding device, and method thereof |
EP2345027B1 (en) * | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5434948A (en) | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
NL9100173A (nl) | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
US5285498A (en) | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
SE9700772D0 (sv) | 1997-03-03 | 1997-03-03 | Ericsson Telefon Ab L M | A high resolution post processing method for a speech decoder |
WO2003009206A1 (en) * | 2001-07-19 | 2003-01-30 | Sungwoo Kim | The system and operational method of mobile telecommunication device for electronic cash |
WO2003009208A1 (en) * | 2001-07-20 | 2003-01-30 | Medical Research Group | Method and apparatus for communicating between an ambulatory medical device and a control device via telemetry using randomized data |
KR101021076B1 (ko) | 2002-04-22 | 2011-03-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 신호 합성 |
-
2004
- 2004-02-20 SE SE0400415A patent/SE527713C2/sv unknown
- 2004-12-15 PT PT48090807T patent/PT1639580E/pt unknown
- 2004-12-15 DK DK04809080.7T patent/DK1639580T3/da active
- 2004-12-15 EP EP04809080.7A patent/EP1639580B1/en active Active
- 2004-12-15 WO PCT/SE2004/001907 patent/WO2005059901A1/en not_active Application Discontinuation
- 2004-12-15 ES ES04809080.7T patent/ES2439693T3/es active Active
- 2004-12-15 EP EP12154099A patent/EP2456236A1/en not_active Ceased
- 2004-12-15 PL PL04809080T patent/PL1639580T3/pl unknown
- 2004-12-15 JP JP2006518597A patent/JP4323520B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
PT1639580E (pt) | 2013-11-19 |
SE527713C2 (sv) | 2006-05-23 |
EP1639580A1 (en) | 2006-03-29 |
EP2456236A1 (en) | 2012-05-23 |
JP4323520B2 (ja) | 2009-09-02 |
WO2005059901A1 (en) | 2005-06-30 |
SE0400415D0 (sv) | 2004-02-20 |
DK1639580T3 (da) | 2014-01-13 |
JP2007527543A (ja) | 2007-09-27 |
EP1639580B1 (en) | 2013-10-23 |
SE0400415L (sv) | 2005-06-20 |
ES2439693T3 (es) | 2014-01-24 |
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