DE602004002390D1 - Audiocodierung - Google Patents

Audiocodierung

Info

Publication number
DE602004002390D1
DE602004002390D1 DE602004002390T DE602004002390T DE602004002390D1 DE 602004002390 D1 DE602004002390 D1 DE 602004002390D1 DE 602004002390 T DE602004002390 T DE 602004002390T DE 602004002390 T DE602004002390 T DE 602004002390T DE 602004002390 D1 DE602004002390 D1 DE 602004002390D1
Authority
DE
Germany
Prior art keywords
itd
ipd
time difference
input signals
audio coding
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
Application number
DE602004002390T
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English (en)
Other versions
DE602004002390T2 (de
Inventor
J Breebaart
W Oomen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32865026&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004002390(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004002390D1 publication Critical patent/DE602004002390D1/de
Application granted granted Critical
Publication of DE602004002390T2 publication Critical patent/DE602004002390T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
DE602004002390T 2003-02-11 2004-02-09 Audiocodierung Expired - Lifetime DE602004002390T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03100278 2003-02-11
EP03100278 2003-02-11
PCT/IB2004/050085 WO2004072956A1 (en) 2003-02-11 2004-02-09 Audio coding

Publications (2)

Publication Number Publication Date
DE602004002390D1 true DE602004002390D1 (de) 2006-10-26
DE602004002390T2 DE602004002390T2 (de) 2007-09-06

Family

ID=32865026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004002390T Expired - Lifetime DE602004002390T2 (de) 2003-02-11 2004-02-09 Audiocodierung

Country Status (9)

Country Link
US (2) US7181019B2 (de)
EP (1) EP1595247B1 (de)
JP (1) JP4431568B2 (de)
KR (1) KR101049751B1 (de)
CN (1) CN1748247B (de)
AT (1) ATE339759T1 (de)
DE (1) DE602004002390T2 (de)
ES (1) ES2273216T3 (de)
WO (1) WO2004072956A1 (de)

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Also Published As

Publication number Publication date
ATE339759T1 (de) 2006-10-15
DE602004002390T2 (de) 2007-09-06
US8831759B2 (en) 2014-09-09
US20060147048A1 (en) 2006-07-06
WO2004072956A1 (en) 2004-08-26
EP1595247B1 (de) 2006-09-13
CN1748247B (zh) 2011-06-15
JP2006518482A (ja) 2006-08-10
KR101049751B1 (ko) 2011-07-19
EP1595247A1 (de) 2005-11-16
KR20050095896A (ko) 2005-10-04
US7181019B2 (en) 2007-02-20
ES2273216T3 (es) 2007-05-01
CN1748247A (zh) 2006-03-15
US20070127729A1 (en) 2007-06-07
JP4431568B2 (ja) 2010-03-17

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