CA2118402C - Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels - Google Patents

Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels Download PDF

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Publication number
CA2118402C
CA2118402C CA002118402A CA2118402A CA2118402C CA 2118402 C CA2118402 C CA 2118402C CA 002118402 A CA002118402 A CA 002118402A CA 2118402 A CA2118402 A CA 2118402A CA 2118402 C CA2118402 C CA 2118402C
Authority
CA
Canada
Prior art keywords
channels
coding
data rate
estimated
signals
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
CA002118402A
Other languages
English (en)
French (fr)
Other versions
CA2118402A1 (en
Inventor
Jurgen Herre
Dieter Seitzer
Karl-Heinz Brandenburg
Ernst Eberlein
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of CA2118402A1 publication Critical patent/CA2118402A1/en
Application granted granted Critical
Publication of CA2118402C publication Critical patent/CA2118402C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Dc Digital Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Optical Communication System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CA002118402A 1992-05-25 1993-05-18 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels Expired - Lifetime CA2118402C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4217276.4 1992-05-25
DE4217276A DE4217276C1 (enrdf_load_stackoverflow) 1992-05-25 1992-05-25
PCT/DE1993/000448 WO1993025015A1 (de) 1992-05-25 1993-05-18 Verfahren zur reduzierung von daten bei der übertragung und/oder speicherung digitaler signale mehrerer voneinander abhängiger kanäle

Publications (2)

Publication Number Publication Date
CA2118402A1 CA2118402A1 (en) 1993-12-09
CA2118402C true CA2118402C (en) 2007-01-16

Family

ID=6459691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118402A Expired - Lifetime CA2118402C (en) 1992-05-25 1993-05-18 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels

Country Status (11)

Country Link
EP (1) EP0642719B1 (enrdf_load_stackoverflow)
JP (1) JP3552232B2 (enrdf_load_stackoverflow)
KR (1) KR100240439B1 (enrdf_load_stackoverflow)
AT (1) ATE142829T1 (enrdf_load_stackoverflow)
AU (1) AU683614B2 (enrdf_load_stackoverflow)
CA (1) CA2118402C (enrdf_load_stackoverflow)
DE (2) DE4217276C1 (enrdf_load_stackoverflow)
NO (1) NO307280B1 (enrdf_load_stackoverflow)
RU (1) RU2119259C1 (enrdf_load_stackoverflow)
UA (1) UA34457C2 (enrdf_load_stackoverflow)
WO (1) WO1993025015A1 (enrdf_load_stackoverflow)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
DE4437287C2 (de) * 1994-10-18 1996-10-24 Fraunhofer Ges Forschung Verfahren zur Messung der Erhaltung stereophoner Audiosignale und Verfahren zur Erkennung gemeinsam codierter stereophoner Audiosignale
JP3279228B2 (ja) * 1997-08-09 2002-04-30 日本電気株式会社 符号化音声復号装置
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
EP1206043B1 (en) 2000-11-08 2009-12-23 Sony Deutschland GmbH Noise reduction in a stereo receiver
JP4618873B2 (ja) * 2000-11-24 2011-01-26 パナソニック株式会社 オーディオ信号符号化方法、オーディオ信号符号化装置、音楽配信方法、および、音楽配信システム
JP4495209B2 (ja) * 2004-03-12 2010-06-30 ノキア コーポレイション 符号化済みマルチチャンネルオーディオ信号に基づくモノオーディオ信号の合成
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
DE102005010057A1 (de) * 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
EP1899958B1 (en) 2005-05-26 2013-08-07 LG Electronics Inc. Method and apparatus for decoding an audio signal
EP1946296A4 (en) 2005-09-14 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL
RU2380767C2 (ru) * 2005-09-14 2010-01-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
US20070135952A1 (en) * 2005-12-06 2007-06-14 Dts, Inc. Audio channel extraction using inter-channel amplitude spectra
US8239209B2 (en) 2006-01-19 2012-08-07 Lg Electronics Inc. Method and apparatus for decoding an audio signal using a rendering parameter
WO2007083953A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US8612238B2 (en) 2006-02-07 2013-12-17 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
TWI333644B (en) 2006-02-23 2010-11-21 Lg Electronics Inc Method and apparatus for processing a audio signal
DE602006021347D1 (de) * 2006-03-28 2011-05-26 Fraunhofer Ges Forschung Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion
JP2009532712A (ja) 2006-03-30 2009-09-10 エルジー エレクトロニクス インコーポレイティド メディア信号処理方法及び装置
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299333B (de) * 1966-06-23 1969-07-17 Siemens Ag UEbertragungssystem fuer Stereo-Tonprogramm-UEbertragung
DE3629434C2 (de) * 1986-08-29 1994-07-28 Karlheinz Dipl Ing Brandenburg Digitales Codierverfahren
DE3805946A1 (de) * 1988-02-25 1989-09-07 Fraunhofer Ges Forschung Vorrichtung zur ermittlung von charakteristischen parametern aus den eingangs- und ausgangssignalen eines systems fuer die audiosignalverarbeitung
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
DE4136825C1 (enrdf_load_stackoverflow) * 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
RU2047941C1 (ru) * 1992-03-17 1995-11-10 Андрей Маркович Полыковский Способ трансляции стереофонического сигнала

Also Published As

Publication number Publication date
NO944285D0 (no) 1994-11-10
DE4217276C1 (enrdf_load_stackoverflow) 1993-04-08
AU4059393A (en) 1993-12-30
ATE142829T1 (de) 1996-09-15
JP3552232B2 (ja) 2004-08-11
NO307280B1 (no) 2000-03-06
KR100240439B1 (ko) 2000-01-15
DE59303771D1 (de) 1996-10-17
AU683614B2 (en) 1997-11-20
RU2119259C1 (ru) 1998-09-20
NO944285L (no) 1994-11-10
WO1993025015A1 (de) 1993-12-09
KR950701786A (ko) 1995-04-28
JPH08501666A (ja) 1996-02-20
EP0642719A1 (de) 1995-03-15
EP0642719B1 (de) 1996-09-11
CA2118402A1 (en) 1993-12-09
UA34457C2 (uk) 2001-03-15

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