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ATE232030T1 - Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen - Google Patents

Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen

Info

Publication number
ATE232030T1
ATE232030T1 AT97908434T AT97908434T ATE232030T1 AT E232030 T1 ATE232030 T1 AT E232030T1 AT 97908434 T AT97908434 T AT 97908434T AT 97908434 T AT97908434 T AT 97908434T AT E232030 T1 ATE232030 T1 AT E232030T1
Authority
AT
Austria
Prior art keywords
signal
data
masked
information signals
masked threshold
Prior art date
Application number
AT97908434T
Other languages
English (en)
Inventor
Kate Warner Rudolph Theoph Ten
Original Assignee
Koninkl 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=26142678&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE232030(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE232030T1 publication Critical patent/ATE232030T1/de

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
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
    • 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
    • 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
    • H04B1/667—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 a division in frequency subbands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT97908434T 1996-04-10 1997-04-02 Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen ATE232030T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96200937 1996-04-10
EP96201259 1996-05-08
PCT/IB1997/000333 WO1997038494A1 (en) 1996-04-10 1997-04-02 Encoding apparatus for encoding a plurality of information signals

Publications (1)

Publication Number Publication Date
ATE232030T1 true ATE232030T1 (de) 2003-02-15

Family

ID=26142678

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97908434T ATE232030T1 (de) 1996-04-10 1997-04-02 Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen

Country Status (7)

Country Link
US (1) US6023490A (de)
EP (1) EP0832519B1 (de)
JP (1) JP3948752B2 (de)
CN (1) CN1204692C (de)
AT (1) ATE232030T1 (de)
DE (1) DE69718735T2 (de)
WO (1) WO1997038494A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904637A1 (de) * 1997-01-16 1999-03-31 Koninklijke Philips Electronics N.V. Datenkompression/-expansion einer vielzahl digitaler informationssignale
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
JP3802219B2 (ja) * 1998-02-18 2006-07-26 富士通株式会社 音声符号化装置
JP4151110B2 (ja) * 1998-05-14 2008-09-17 ソニー株式会社 オーディオ信号処理装置およびオーディオ信号再生装置
US6721337B1 (en) * 1999-08-24 2004-04-13 Ibiquity Digital Corporation Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
GB2392807A (en) * 2002-09-06 2004-03-10 Sony Uk Ltd Processing digital data
ES2432110T3 (es) * 2003-10-07 2013-11-29 The Nielsen Company (Us), Llc Métodos y aparato para extraer códigos de una pluralidad de canales
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
DK1862033T3 (da) * 2005-03-22 2013-05-06 Bloomline Acoustics B V Transducerarrangement der forbedrer naturligheden af lyde
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632005A (en) * 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
DE4222623C2 (de) * 1992-07-10 1996-07-11 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern von digitalisierten Tonsignalen
WO1995012254A1 (en) * 1993-10-27 1995-05-04 Philips Electronics N.V. Transmission and reception of a first and a second main signal component
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
EP0688113A2 (de) * 1994-06-13 1995-12-20 Sony Corporation Verfahren und Vorrichtung für die Kodierung und Dekodierung von digitalen Tonsignalen und Vorrichtung zur Aufzeichnung von digitalen Tonsignalen

Also Published As

Publication number Publication date
JP2002515204A (ja) 2002-05-21
EP0832519A1 (de) 1998-04-01
DE69718735D1 (de) 2003-03-06
CN1194737A (zh) 1998-09-30
DE69718735T2 (de) 2003-11-13
CN1204692C (zh) 2005-06-01
WO1997038494A1 (en) 1997-10-16
EP0832519B1 (de) 2003-01-29
JP3948752B2 (ja) 2007-07-25
US6023490A (en) 2000-02-08

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Legal Events

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