SE527713C2 - Kodning av polyfoniska signaler med villkorsbegränsade filter - Google Patents

Kodning av polyfoniska signaler med villkorsbegränsade filter

Info

Publication number: SE527713C2
Authority: SE; Sweden
Prior art keywords: filter; signal; channel; signals; parameters
Prior art date: 2003-12-19

Application number

SE0400415A

Other languages

English (en)

Swedish (sv)

Other versions

SE0400415D0 (sv

SE0400415L (sv

Inventor

Anisse Taleb

Stefan Bruhn

Ingemar Johansson

Patrik Sandgren

Original Assignee

Ericsson Telefon Ab L M

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.)

2003-12-19

Filing date

2004-02-20

Publication date

2006-05-23

2003-12-19 Priority claimed from SE0303499A external-priority patent/SE0303499D0/xx

2004-02-20 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

2004-02-20 Priority to SE0400415A priority Critical patent/SE527713C2/sv

2004-02-20 Publication of SE0400415D0 publication Critical patent/SE0400415D0/xx

2004-12-15 Priority to PCT/SE2004/001907 priority patent/WO2005059901A1/en

2004-12-15 Priority to JP2006518597A priority patent/JP4323520B2/ja

2004-12-15 Priority to ES04809080.7T priority patent/ES2439693T3/es

2004-12-15 Priority to US11/011,764 priority patent/US7725324B2/en

2004-12-15 Priority to PL04809080T priority patent/PL1639580T3/pl

2004-12-15 Priority to DK04809080.7T priority patent/DK1639580T3/da

2004-12-15 Priority to EP04809080.7A priority patent/EP1639580B1/en

2004-12-15 Priority to PT48090807T priority patent/PT1639580E/pt

2004-12-15 Priority to EP12154099A priority patent/EP2456236A1/en

2005-06-20 Publication of SE0400415L publication Critical patent/SE0400415L/xx

2006-05-23 Publication of SE527713C2 publication Critical patent/SE527713C2/sv

Links

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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)

SE0400415A 2003-12-19 2004-02-20 Kodning av polyfoniska signaler med villkorsbegränsade filter SE527713C2 (sv)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
SE0400415A SE527713C2 (sv)	2003-12-19	2004-02-20	Kodning av polyfoniska signaler med villkorsbegränsade filter
EP12154099A EP2456236A1 (en)	2003-12-19	2004-12-15	Constrained filter encoding of polyphonic signals
PT48090807T PT1639580E (pt)	2003-12-19	2004-12-15	Codificação de sinais de multicanais
ES04809080.7T ES2439693T3 (es)	2003-12-19	2004-12-15	Codificación de señales de múltiples canales
JP2006518597A JP4323520B2 (ja)	2003-12-19	2004-12-15	ポリフォニック信号の制約付きフィルタ符号化
PCT/SE2004/001907 WO2005059901A1 (en)	2003-12-19	2004-12-15	Constrained filter encoding of polyphonic signals
US11/011,764 US7725324B2 (en)	2003-12-19	2004-12-15	Constrained filter encoding of polyphonic signals
PL04809080T PL1639580T3 (pl)	2003-12-19	2004-12-15	Kodowanie sygnałów wielokanałowych
DK04809080.7T DK1639580T3 (da)	2003-12-19	2004-12-15	Kodning af flerkanalssignaler
EP04809080.7A EP1639580B1 (en)	2003-12-19	2004-12-15	Coding of multi-channel signals

Applications Claiming Priority (2)

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

Publications (3)

Publication Number	Publication Date
SE0400415D0 SE0400415D0 (sv)	2004-02-20
SE0400415L SE0400415L (sv)	2005-06-20
SE527713C2 true SE527713C2 (sv)	2006-05-23

Family

ID=31996352

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0400415A SE527713C2 (sv)	2003-12-19	2004-02-20	Kodning av polyfoniska signaler med villkorsbegränsade filter

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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPWO2008016098A1 (ja) *	2006-08-04	2009-12-24	パナソニック株式会社	ステレオ音声符号化装置、ステレオ音声復号装置およびこれらの方法
WO2010042024A1 (en) *	2008-10-10	2010-04-15	Telefonaktiebolaget Lm Ericsson (Publ)	Energy conservative multi-channel audio coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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
BRPI0304541B1 (pt)	2002-04-22	2017-07-04	Koninklijke Philips N. V.	Method and arrangement for synthesizing a first and a second output sign from an input sign, and, device for providing a decoded audio signal

2004
- 2004-02-20 SE SE0400415A patent/SE527713C2/sv unknown
- 2004-12-15 ES ES04809080.7T patent/ES2439693T3/es not_active Expired - Lifetime
- 2004-12-15 WO PCT/SE2004/001907 patent/WO2005059901A1/en not_active Ceased
- 2004-12-15 EP EP04809080.7A patent/EP1639580B1/en not_active Expired - Lifetime
- 2004-12-15 DK DK04809080.7T patent/DK1639580T3/da active
- 2004-12-15 JP JP2006518597A patent/JP4323520B2/ja not_active Expired - Fee Related
- 2004-12-15 EP EP12154099A patent/EP2456236A1/en not_active Ceased
- 2004-12-15 PT PT48090807T patent/PT1639580E/pt unknown
- 2004-12-15 PL PL04809080T patent/PL1639580T3/pl unknown

Also Published As

Publication number	Publication date
JP4323520B2 (ja)	2009-09-02
EP1639580A1 (en)	2006-03-29
PT1639580E (pt)	2013-11-19
ES2439693T3 (es)	2014-01-24
EP2456236A1 (en)	2012-05-23
SE0400415D0 (sv)	2004-02-20
SE0400415L (sv)	2005-06-20
EP1639580B1 (en)	2013-10-23
WO2005059901A1 (en)	2005-06-30
DK1639580T3 (da)	2014-01-13
PL1639580T3 (pl)	2014-04-30
JP2007527543A (ja)	2007-09-27

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