DE69718735D1 - Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen - Google Patents

Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen

Info

Publication number
DE69718735D1
DE69718735D1 DE69718735T DE69718735T DE69718735D1 DE 69718735 D1 DE69718735 D1 DE 69718735D1 DE 69718735 T DE69718735 T DE 69718735T DE 69718735 T DE69718735 T DE 69718735T DE 69718735 D1 DE69718735 D1 DE 69718735D1
Authority
DE
Germany
Prior art keywords
signal
data
masked
encoding
information 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
DE69718735T
Other languages
English (en)
Other versions
DE69718735T2 (de
Inventor
Kate Rudolph Ten
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
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69718735D1 publication Critical patent/DE69718735D1/de
Publication of DE69718735T2 publication Critical patent/DE69718735T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69718735T 1996-04-10 1997-04-02 Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen Expired - Lifetime DE69718735T2 (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 (2)

Publication Number Publication Date
DE69718735D1 true DE69718735D1 (de) 2003-03-06
DE69718735T2 DE69718735T2 (de) 2003-11-13

Family

ID=26142678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718735T Expired - Lifetime DE69718735T2 (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
KR100526942B1 (ko) * 1997-01-16 2006-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수의디지탈정보신호를데이터압축및복원하는장치및방법
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
JP4322207B2 (ja) * 2002-07-12 2009-08-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ符号化方法
GB2392807A (en) * 2002-09-06 2004-03-10 Sony Uk Ltd Processing digital data
CN1839657B (zh) * 2003-10-07 2011-11-23 尼尔逊媒介研究股份有限公司 从多个通道提取码的方法和设备
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
WO2006100250A2 (en) * 2005-03-22 2006-09-28 Bloomline Studio B.V. A transducer arrangement improving naturalness of sounds
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
DE69718735T2 (de) 2003-11-13
ATE232030T1 (de) 2003-02-15
CN1204692C (zh) 2005-06-01
WO1997038494A1 (en) 1997-10-16
JP3948752B2 (ja) 2007-07-25
CN1194737A (zh) 1998-09-30
EP0832519B1 (de) 2003-01-29
US6023490A (en) 2000-02-08
EP0832519A1 (de) 1998-04-01
JP2002515204A (ja) 2002-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition