DE69422343T2 - Gerät, verfahren und system zur komprimierung eines digitalen eingangssignals in mehr als einem kompressionsmodus - Google Patents

Gerät, verfahren und system zur komprimierung eines digitalen eingangssignals in mehr als einem kompressionsmodus

Info

Publication number
DE69422343T2
DE69422343T2 DE69422343T DE69422343T DE69422343T2 DE 69422343 T2 DE69422343 T2 DE 69422343T2 DE 69422343 T DE69422343 T DE 69422343T DE 69422343 T DE69422343 T DE 69422343T DE 69422343 T2 DE69422343 T2 DE 69422343T2
Authority
DE
Germany
Prior art keywords
input signal
digital input
band
compression mode
spectral coefficients
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
DE69422343T
Other languages
English (en)
Other versions
DE69422343D1 (de
Inventor
Kenzo Akagiri
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE69422343D1 publication Critical patent/DE69422343D1/de
Application granted granted Critical
Publication of DE69422343T2 publication Critical patent/DE69422343T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • 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)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69422343T 1993-02-18 1994-02-18 Gerät, verfahren und system zur komprimierung eines digitalen eingangssignals in mehr als einem kompressionsmodus Expired - Lifetime DE69422343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP05029423A JP3123286B2 (ja) 1993-02-18 1993-02-18 ディジタル信号処理装置又は方法、及び記録媒体
PCT/JP1994/000251 WO1994019801A1 (en) 1993-02-18 1994-02-18 Apparatus, method, and system for compressing a digital input signal in more than one compression mode

Publications (2)

Publication Number Publication Date
DE69422343D1 DE69422343D1 (de) 2000-02-03
DE69422343T2 true DE69422343T2 (de) 2000-07-13

Family

ID=12275725

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422343T Expired - Lifetime DE69422343T2 (de) 1993-02-18 1994-02-18 Gerät, verfahren und system zur komprimierung eines digitalen eingangssignals in mehr als einem kompressionsmodus

Country Status (11)

Country Link
US (1) US5530750A (de)
EP (1) EP0636268B1 (de)
JP (1) JP3123286B2 (de)
KR (1) KR100289022B1 (de)
CN (1) CN1108012C (de)
AT (1) ATE188305T1 (de)
AU (1) AU675295B2 (de)
DE (1) DE69422343T2 (de)
ES (1) ES2140530T3 (de)
HK (1) HK1013511A1 (de)
WO (1) WO1994019801A1 (de)

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Also Published As

Publication number Publication date
DE69422343D1 (de) 2000-02-03
ES2140530T3 (es) 2000-03-01
JP3123286B2 (ja) 2001-01-09
EP0636268B1 (de) 1999-12-29
AU6045694A (en) 1994-09-14
EP0636268A1 (de) 1995-02-01
KR950701446A (ko) 1995-03-23
ATE188305T1 (de) 2000-01-15
JPH06244738A (ja) 1994-09-02
WO1994019801A1 (en) 1994-09-01
HK1013511A1 (en) 1999-08-27
AU675295B2 (en) 1997-01-30
CN1108012C (zh) 2003-05-07
CN1106968A (zh) 1995-08-16
US5530750A (en) 1996-06-25
KR100289022B1 (ko) 2001-05-02

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