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DE3779508D1 - Anordnung zur aufzeichnung und wiedergabe von digitalen signalen. - Google Patents

Anordnung zur aufzeichnung und wiedergabe von digitalen signalen.

Info

Publication number
DE3779508D1
DE3779508D1 DE8787110924T DE3779508T DE3779508D1 DE 3779508 D1 DE3779508 D1 DE 3779508D1 DE 8787110924 T DE8787110924 T DE 8787110924T DE 3779508 T DE3779508 T DE 3779508T DE 3779508 D1 DE3779508 D1 DE 3779508D1
Authority
DE
Germany
Prior art keywords
recording
arrangement
digital signals
playing back
back digital
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
DE8787110924T
Other languages
English (en)
Other versions
DE3779508T2 (de
Inventor
Shigeyuki Itoh
Yoshizumi Watatani
Akitoshi Tsunoka
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.)
Hitachi Ltd Tokio/tokyo Jp Hitachi Video & Inf
Original Assignee
Hitachi Ltd
Hitachi Video Engineering Co Ltd
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 Hitachi Ltd, Hitachi Video Engineering Co Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3779508D1 publication Critical patent/DE3779508D1/de
Publication of DE3779508T2 publication Critical patent/DE3779508T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B27/036—Insert-editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • 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
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE8787110924T 1986-07-28 1987-07-28 Anordnung zur aufzeichnung und wiedergabe von digitalen signalen. Expired - Fee Related DE3779508T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61175616A JPH0734291B2 (ja) 1986-07-28 1986-07-28 デイジタル信号記録再生システム

Publications (2)

Publication Number Publication Date
DE3779508D1 true DE3779508D1 (de) 1992-07-09
DE3779508T2 DE3779508T2 (de) 1993-01-21

Family

ID=15999198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787110924T Expired - Fee Related DE3779508T2 (de) 1986-07-28 1987-07-28 Anordnung zur aufzeichnung und wiedergabe von digitalen signalen.

Country Status (4)

Country Link
US (1) US4825305A (de)
EP (1) EP0255111B1 (de)
JP (1) JPH0734291B2 (de)
DE (1) DE3779508T2 (de)

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US4953039A (en) * 1988-06-01 1990-08-28 Ploch Louis W Real time digital data transmission speed conversion system
EP0626676B1 (de) * 1989-10-04 1998-01-07 Mitsubishi Denki Kabushiki Kaisha Magnetisches Aufzeichnungs- und Wiedergabegerät
US6002536A (en) 1990-07-06 1999-12-14 Hitachi Ltd. Digital transmission signal processing system and recording/reproducing system
US6631242B1 (en) 1990-10-31 2003-10-07 Sony Corporation Apparatus for recording and reproducing digital picture data
KR0135510B1 (ko) * 1991-03-30 1998-04-22 강진구 데이터 압축/신장 기능을 가지는 장시간 다채널 데이터 테이프 레코더
JPH04332960A (ja) * 1991-05-07 1992-11-19 Sanyo Electric Co Ltd ディジタル高速ダビング回路
ATE222396T1 (de) * 1991-05-29 2002-08-15 Pacific Microsonics Inc Verbesserungen in versteckte-kode seitenkanäle
KR100268623B1 (ko) * 1991-06-28 2000-10-16 이데이 노부유끼 압축 데이타 기록 재생 장치 및 신호 처리 방법
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法
US5278909A (en) * 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JP3185413B2 (ja) * 1992-11-25 2001-07-09 ソニー株式会社 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
CA2140779C (en) * 1993-05-31 2005-09-20 Kyoya Tsutsui Method, apparatus and recording medium for coding of separated tone and noise characteristics spectral components of an acoustic signal
DE69428030T2 (de) * 1993-06-30 2002-05-29 Sony Corp., Tokio/Tokyo Digitales signalkodierungsgerät, dazugehöriges dekodiergerät und aufzeichnungsträger
TW272341B (de) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
US5774844A (en) * 1993-11-09 1998-06-30 Sony Corporation Methods and apparatus for quantizing, encoding and decoding and recording media therefor
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
US5946652A (en) * 1995-05-03 1999-08-31 Heddle; Robert Methods for non-linearly quantizing and non-linearly dequantizing an information signal using off-center decision levels
US10861475B2 (en) * 2015-11-10 2020-12-08 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU119204A1 (ru) * 1954-11-09 1958-11-30 К.П. Полов Способ сжати динамического диапазона звуковых сигналов
JPS608525B2 (ja) * 1978-08-29 1985-03-04 松下電器産業株式会社 磁気記録再生方式
JPS55156431A (en) * 1979-05-24 1980-12-05 Sony Corp Noise reduction system
JPS57173239A (en) * 1981-04-20 1982-10-25 Hitachi Ltd Polygonal line compressing and expanding circuit
JPS58222402A (ja) * 1982-02-02 1983-12-24 Sony Corp 情報信号の記録装置
JPS58148532A (ja) * 1982-03-01 1983-09-03 Nippon Telegr & Teleph Corp <Ntt> コンプレツサ回路およびエキスパンダ回路
JPS58163054A (ja) * 1982-03-23 1983-09-27 Fujitsu Ltd 区分デ−タセツトのメンバ置換方式
US4558378A (en) * 1982-08-27 1985-12-10 Hitachi, Ltd. Method and apparatus for a magnetic recording/reproducing
JPS5966208A (ja) * 1982-10-08 1984-04-14 Toshiba Corp デイジタル伸張・圧縮器
NL8300468A (nl) * 1983-02-08 1984-09-03 Philips Nv Digitale dynamiek omzetter.
GB2147165B (en) * 1983-09-21 1987-10-21 British Broadcasting Corp Dynamic range control
JPS60101769A (ja) * 1983-11-09 1985-06-05 Hitachi Ltd 信号伝送装置
JPS60232725A (ja) * 1984-05-02 1985-11-19 Pioneer Electronic Corp ノイズリダクシヨン・システム
CA1263474A (en) * 1985-12-17 1989-11-28 Hideki Fukasawa Digital level detecting circuit

Also Published As

Publication number Publication date
EP0255111A3 (en) 1988-11-02
EP0255111B1 (de) 1992-06-03
JPH0734291B2 (ja) 1995-04-12
EP0255111A2 (de) 1988-02-03
DE3779508T2 (de) 1993-01-21
US4825305A (en) 1989-04-25
JPS6332767A (ja) 1988-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI, LTD., TOKIO/TOKYO, JP HITACHI VIDEO & INF

8328 Change in the person/name/address of the agent

Free format text: BARDEHLE, H., DIPL.-ING., PAT.-ANW. PAGENBERG, J., DR.JUR., RECHTSANW. DOST, W., DIPL.-CHEM. DR.RER.NAT. ALTENBURG, U., DIPL.-PHYS., PAT.-ANWAELTE FROHWITTER, B., DIPL.-ING., RECHTSANW. GEISSLER, B., DIPL.-PHYS.DR.JUR., PAT.- U. RECHTSANW., 8000 MUENCHEN KAHLHOEFER, H., DIPL.-PHYS. BONNEKAMP, H., DIPL.-ING.DIPL.-WIRTSCH.-ING.DR.-ING., 4000 DUESSELDORF ROST, J., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee