DK0649588T3 - Overførsel og lagring af flerkanals lydsignaler under anvendelse af bitmængdereducerende kodningsfremgangsmåder - Google Patents

Overførsel og lagring af flerkanals lydsignaler under anvendelse af bitmængdereducerende kodningsfremgangsmåder

Info

Publication number
DK0649588T3
DK0649588T3 DK93914687.4T DK93914687T DK0649588T3 DK 0649588 T3 DK0649588 T3 DK 0649588T3 DK 93914687 T DK93914687 T DK 93914687T DK 0649588 T3 DK0649588 T3 DK 0649588T3
Authority
DK
Denmark
Prior art keywords
audio
pct
audio signals
channels
audio channels
Prior art date
Application number
DK93914687.4T
Other languages
English (en)
Inventor
Robert Sedlmeyer
Original Assignee
Inst F
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 Inst F filed Critical Inst F
Application granted granted Critical
Publication of DK0649588T3 publication Critical patent/DK0649588T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
DK93914687.4T 1992-07-10 1993-06-22 Overførsel og lagring af flerkanals lydsignaler under anvendelse af bitmængdereducerende kodningsfremgangsmåder DK0649588T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4222623A DE4222623C2 (de) 1992-07-10 1992-07-10 Verfahren zum Übertragen oder Speichern von digitalisierten Tonsignalen

Publications (1)

Publication Number Publication Date
DK0649588T3 true DK0649588T3 (da) 1997-05-12

Family

ID=6462873

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93914687.4T DK0649588T3 (da) 1992-07-10 1993-06-22 Overførsel og lagring af flerkanals lydsignaler under anvendelse af bitmængdereducerende kodningsfremgangsmåder

Country Status (7)

Country Link
US (1) US5638451A (da)
EP (1) EP0649588B1 (da)
AT (1) ATE147224T1 (da)
DE (2) DE4222623C2 (da)
DK (1) DK0649588T3 (da)
ES (1) ES2096302T3 (da)
WO (1) WO1994001980A1 (da)

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Publication number Priority date Publication date Assignee Title
KR960012475B1 (ko) * 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
KR0134318B1 (ko) * 1994-01-28 1998-04-29 김광호 채널간의 마스킹특성을 고려한 비트할당장치 및 그 방법과 복호화장치
JP3443938B2 (ja) * 1994-03-31 2003-09-08 ソニー株式会社 ディジタル信号処理装置
JP3277679B2 (ja) * 1994-04-15 2002-04-22 ソニー株式会社 高能率符号化方法と高能率符号化装置及び高能率復号化方法と高能率復号化装置
GB9500285D0 (en) * 1995-01-07 1995-03-01 Central Research Lab Ltd A method of labelling an audio signal
US5799094A (en) * 1995-01-26 1998-08-25 Victor Company Of Japan, Ltd. Surround signal processing apparatus and video and audio signal reproducing apparatus
KR100472402B1 (ko) * 1996-04-10 2005-07-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수의정보신호의부호화장치및방법
DE69718735T2 (de) * 1996-04-10 2003-11-13 Koninklijke Philips Electronics N.V., Eindhoven Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen
US6757913B2 (en) 1996-07-15 2004-06-29 Gregory D. Knox Wireless music and data transceiver system
US6252965B1 (en) * 1996-09-19 2001-06-26 Terry D. Beard Multichannel spectral mapping audio apparatus and method
AU749739B2 (en) * 1997-05-05 2002-07-04 Warner Music Group, Inc. Recording and playback of multi-channel digital audio having different resolutions for different channels
US6215737B1 (en) 1997-05-05 2001-04-10 Wea Manufacturing, Inc. Using different sampling rates to record multi-channel digital audio on a recording medium and playing back such digital audio
AU749726B2 (en) * 1997-05-05 2002-07-04 Warner Music Group, Inc. Recording and playback of multi-channel digital audio having different sampling rates for different channels
US6298025B1 (en) 1997-05-05 2001-10-02 Warner Music Group Inc. Recording and playback of multi-channel digital audio having different resolutions for different channels
AU731308C (en) * 1997-05-05 2001-11-15 Warner Music Group, Inc. Synchronizing audio signal samples taken at different sampling rates
US6122380A (en) * 1997-12-01 2000-09-19 Sony Corporation Apparatus and method of providing stereo television audio signals
KR100371746B1 (ko) * 1999-08-18 2003-02-11 한국전자통신연구원 멀티미디어용 다채널 오디오 다중화 장치 및 방법
EP1223696A3 (en) * 2001-01-12 2003-12-17 Matsushita Electric Industrial Co., Ltd. System for transmitting digital audio data according to the MOST method
US7454257B2 (en) * 2001-02-08 2008-11-18 Warner Music Group Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator
GB0110132D0 (en) * 2001-04-25 2001-06-20 Central Research Lab Ltd System to detect compression of audio signals
US6934676B2 (en) * 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
CN1922655A (zh) * 2004-07-06 2007-02-28 松下电器产业株式会社 音频信号编码装置、音频信号解码装置、方法及程序
US20060106646A1 (en) * 2004-11-18 2006-05-18 Eastman Kodak Company Medical kiosk with multiple input sources
US8170218B2 (en) * 2007-10-04 2012-05-01 Hurtado-Huyssen Antoine-Victor Multi-channel audio treatment system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
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.
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model

Also Published As

Publication number Publication date
US5638451A (en) 1997-06-10
WO1994001980A1 (de) 1994-01-20
DE4222623C2 (de) 1996-07-11
DE4222623A1 (de) 1994-01-13
DE59304999D1 (de) 1997-02-13
EP0649588A1 (de) 1995-04-26
EP0649588B1 (de) 1997-01-02
ATE147224T1 (de) 1997-01-15
ES2096302T3 (es) 1997-03-01

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