PL2500900T3 - Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio - Google Patents

Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio

Info

Publication number
PL2500900T3
PL2500900T3 PL12168768T PL12168768T PL2500900T3 PL 2500900 T3 PL2500900 T3 PL 2500900T3 PL 12168768 T PL12168768 T PL 12168768T PL 12168768 T PL12168768 T PL 12168768T PL 2500900 T3 PL2500900 T3 PL 2500900T3
Authority
PL
Poland
Prior art keywords
audio signal
deriving
computer program
channel audio
channel
Prior art date
Application number
PL12168768T
Other languages
English (en)
Inventor
Christian Uhle
Jürgen Herre
Andreas Walther
Oliver Hellmuth
Christiaan Janssen
Original Assignee
Fraunhofer Ges Forschung
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL2500900T3 publication Critical patent/PL2500900T3/pl

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 
    • H04S5/005—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 five- or more-channel type, e.g. virtual surround
    • 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
    • G10L19/02—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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
PL12168768T 2006-10-24 2007-10-23 Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio PL2500900T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006050068A DE102006050068B4 (de) 2006-10-24 2006-10-24 Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm
EP07819257A EP1997102B1 (en) 2006-10-24 2007-10-23 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program
EP12168768.5A EP2500900B1 (en) 2006-10-24 2007-10-23 Apparatus, method and computer program for deriving a multi-channel audio signal from an audio signal

Publications (1)

Publication Number Publication Date
PL2500900T3 true PL2500900T3 (pl) 2014-08-29

Family

ID=38988087

Family Applications (2)

Application Number Title Priority Date Filing Date
PL07819257T PL1997102T3 (pl) 2006-10-24 2007-10-23 Urządzenie i sposób do generowania sygnału otoczenia z sygnału audio, urządzenie i sposób do uzyskiwania wielokanałowego sygnału audio z sygnału audio i program komputerowy
PL12168768T PL2500900T3 (pl) 2006-10-24 2007-10-23 Urządzenie, sposób i program komputerowy do uzyskiwania wielokanałowego sygnału audio z sygnału audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL07819257T PL1997102T3 (pl) 2006-10-24 2007-10-23 Urządzenie i sposób do generowania sygnału otoczenia z sygnału audio, urządzenie i sposób do uzyskiwania wielokanałowego sygnału audio z sygnału audio i program komputerowy

Country Status (12)

Country Link
US (1) US8346565B2 (pl)
EP (2) EP2500900B1 (pl)
JP (1) JP5048777B2 (pl)
KR (1) KR101090565B1 (pl)
CN (1) CN101536085B (pl)
AU (1) AU2007308413B2 (pl)
CA (1) CA2664163C (pl)
DE (1) DE102006050068B4 (pl)
ES (2) ES2461191T3 (pl)
PL (2) PL1997102T3 (pl)
TW (1) TWI352971B (pl)
WO (1) WO2008049587A1 (pl)

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Also Published As

Publication number Publication date
KR20090042856A (ko) 2009-04-30
HK1122391A1 (en) 2009-05-15
EP1997102B1 (en) 2012-07-25
EP2500900A1 (en) 2012-09-19
WO2008049587A1 (en) 2008-05-02
DE102006050068B4 (de) 2010-11-11
CA2664163A1 (en) 2008-05-02
AU2007308413B2 (en) 2010-08-26
JP2010507943A (ja) 2010-03-11
EP2500900B1 (en) 2014-04-02
TW200837718A (en) 2008-09-16
AU2007308413A1 (en) 2008-05-02
ES2461191T3 (es) 2014-05-19
EP1997102A1 (en) 2008-12-03
TWI352971B (en) 2011-11-21
DE102006050068A1 (de) 2008-06-19
KR101090565B1 (ko) 2011-12-08
CA2664163C (en) 2013-07-16
JP5048777B2 (ja) 2012-10-17
PL1997102T3 (pl) 2012-11-30
CN101536085A (zh) 2009-09-16
WO2008049587A8 (en) 2009-04-09
US8346565B2 (en) 2013-01-01
HK1176156A1 (en) 2013-07-19
CN101536085B (zh) 2012-01-25
ES2391308T3 (es) 2012-11-23
US20100030563A1 (en) 2010-02-04

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