KR0135873B1 - 디지탈 자기기록재생방법 및 장치 - Google Patents
디지탈 자기기록재생방법 및 장치Info
- Publication number
- KR0135873B1 KR0135873B1 KR1019920004227A KR920004227A KR0135873B1 KR 0135873 B1 KR0135873 B1 KR 0135873B1 KR 1019920004227 A KR1019920004227 A KR 1019920004227A KR 920004227 A KR920004227 A KR 920004227A KR 0135873 B1 KR0135873 B1 KR 0135873B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- code
- error correction
- magnetic tape
- recording
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008707 rearrangement Effects 0.000 claims description 6
- 238000013144 data compression Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000013139 quantization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
- H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/1808—Driving of both record carrier and head
- G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
-
- 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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1207—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
- G11B20/1208—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1809—Pulse code modulation systems for audio signals by interleaving
-
- 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
- G11B27/005—Reproducing at a different information rate from the information rate of recording
-
- 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
-
- 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
- G11B27/3081—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 a video-frame or a video-field (P.I.P)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
- G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (4)
- 화면의 영상데이타를 비트율 감소를 위해 압축부호화하고 압축된 데이타를 에러정정을 위한 최소단위인 싱크블럭들로 형성하여 자기테이프의 복수의 트랙에 기록하고 자기테이프로부터 기록된 데이타를 재생하는 디지탈 자기기록재생방법에 있어서,상기 1화면의 싱크블럭들을 트랙을 가로지르는 방향의 선순차 주사방식으로 복수의 트랙에 배열되도록 기록하고 상기 배열된 싱크블럭들을 원래의 화면위치로 배열되도록 복원시켜 재생하는 것을 특징으로 하는 디지탈 자기기록재생방법.
- 제1항에 있어서, 상기 각 싱크 블럭은 싱크코드, 식별코드, 독립적으로 복호가능한 제1데이타코드, 제1데이타코드의 에러정정을 위한 제1에러정정코드, 상기 제1데이타코드에 대해 종속적으로 복호가능한 제2데이타코드, 제2데이타코드의 에러정정을 위한 제2에러 정정코드로 이루어진 것을 특징으로 하는 디지탈 자기기록 재생방법.
- 제2항에 있어서, 상기 재생방법중 가변속재생시에는 상기 제1데이타 코드만 복원하는 것을 특징으로 하는 디지탈 자기기록재생방법.
- 영상 데이타를 인코드하여 자기테이프에 기록하기 위한 인코더와 상기 자기 테이프로부터 기록데이타를 픽업하고 디코드하여 원래의 영상데이타를 복원하는 디코더를 구비한 디지탈 자기 기록재생장치에 있어서,상기 인코더는 영상데이타를 압축부호하기 위한 데이타 압축부호화 수단과, 압축부호화된 데이타에 에러정정코드와 식별코드를 부여하고 에러정정을 위한 최소단위인 싱크블럭들로 형성하고 이 싱크블럭에 싱크코드를 부여하는 에러정정부호화수단과, 싱크블럭들이 트랙을 가로지르는 선순차주사방식으로 복수의 트랙에 배열되도록 재배열하는 재배열수단, 상기 재배열된 데이타를 채널코딩하여 상기 자기테이프에 전송하는 채널 코딩수단을 구비하고,상기 디코더는 상기 자기 테이프로부터 픽업된 데이타를 채널 디코딩하는 채널 디코딩수단과, 채널디코딩된 데이타를 싱크블럭 단위로 원래의 화면위치로 배열되도록 복원하는 역재배열수단과, 상기 복원된 소정수의 싱크블럭들을 에러정정하기 위한 에러정정복호화 수단과, 상기 에러정정되고 압축부호화된 데이타를 신장 복호화하여 영상데이타를 복원하는 데이타 신장복호화 수단을 구비한 것을 특징으로 하는 디지탈 자기기록 재생장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920004227A KR0135873B1 (ko) | 1992-03-14 | 1992-03-14 | 디지탈 자기기록재생방법 및 장치 |
JP20154092A JP3204543B2 (ja) | 1992-03-14 | 1992-07-28 | ディジタル磁気記録再生方法及び装置 |
DE4224940A DE4224940A1 (de) | 1992-03-14 | 1992-07-28 | Verfahren und einrichtung zur digitalen magnetischen aufzeichnung und wiedergabe |
GB9216119A GB2265046B (en) | 1992-03-14 | 1992-07-29 | Digital recording and reproducing |
US07/971,062 US5335117A (en) | 1992-03-14 | 1992-11-03 | Digital magnetic recording/reproducing method and apparatus therefor for recording re-arranged sync blocks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920004227A KR0135873B1 (ko) | 1992-03-14 | 1992-03-14 | 디지탈 자기기록재생방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930020354A KR930020354A (ko) | 1993-10-19 |
KR0135873B1 true KR0135873B1 (ko) | 1998-05-15 |
Family
ID=19330390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920004227A KR0135873B1 (ko) | 1992-03-14 | 1992-03-14 | 디지탈 자기기록재생방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5335117A (ko) |
JP (1) | JP3204543B2 (ko) |
KR (1) | KR0135873B1 (ko) |
DE (1) | DE4224940A1 (ko) |
GB (1) | GB2265046B (ko) |
Families Citing this family (40)
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US5623344A (en) * | 1992-09-01 | 1997-04-22 | Hitachi America, Ltd. | Digital video recording device with trick play capability |
KR0176474B1 (ko) * | 1992-12-01 | 1999-04-15 | 김광호 | 고속화상 재생에 적합한 디지탈 비디오 테이프레코더용 데이타 코딩기술 |
US5805762A (en) * | 1993-01-13 | 1998-09-08 | Hitachi America, Ltd. | Video recording device compatible transmitter |
US5887115A (en) * | 1993-01-13 | 1999-03-23 | Hitachi America, Ltd. | Method and apparatus for implementing a video tape recorder for recording digital video signals having either a fixed or variable data transmission rate |
US5717816A (en) * | 1993-01-13 | 1998-02-10 | Hitachi America Ltd. | Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames |
US5614952A (en) | 1994-10-11 | 1997-03-25 | Hitachi America, Ltd. | Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
US5673358A (en) * | 1993-01-13 | 1997-09-30 | Hitachi America, Ltd. | Method for generating a reduced rate digital bitstream by selecting data as a function of the position within an image to which the data corresponds |
US5933567A (en) * | 1993-01-13 | 1999-08-03 | Hitachi America, Ltd. | Method and apparatus for controlling the position of the heads of a digital video tape recorder during trick play operation and for recording digital data on a tape |
EP0609054A3 (en) * | 1993-01-25 | 1996-04-03 | Matsushita Electric Ind Co Ltd | Method and apparatus for recording or reproducing video data on or from storage media. |
JPH06292130A (ja) * | 1993-03-30 | 1994-10-18 | Sony Corp | ディジタル信号記録再生方法及び装置 |
JP3312074B2 (ja) * | 1994-01-24 | 2002-08-05 | シャープ株式会社 | 映像信号のディジタル記録及び再生装置 |
US5579183A (en) * | 1994-04-08 | 1996-11-26 | U.S. Philips Corporation | Recording and reproducing an MPEG information signal on/from a record carrier |
JP3289045B2 (ja) * | 1994-04-12 | 2002-06-04 | 三菱電機株式会社 | ディジタル記録再生装置 |
GB2323240B (en) * | 1994-04-12 | 1998-12-09 | Mitsubishi Electric Corp | Digital vtr |
JP3322998B2 (ja) * | 1994-04-12 | 2002-09-09 | 三菱電機株式会社 | ディジタルvtr |
JP3161217B2 (ja) * | 1994-04-28 | 2001-04-25 | 松下電器産業株式会社 | 画像符号化記録装置および記録再生装置 |
JP3046224B2 (ja) * | 1994-07-26 | 2000-05-29 | 三星電子株式会社 | 固定ビット率の符号化方法および装置とこれを利用した高速探索のためのトラッキング方法 |
US5592299A (en) * | 1994-09-26 | 1997-01-07 | Hitachi America, Ltd. | Method and apparatus for reducing the amount of data required to represent a video frame |
US5828421A (en) * | 1994-10-11 | 1998-10-27 | Hitachi America, Ltd. | Implementation efficient digital picture-in-picture decoding methods and apparatus |
US6141485A (en) * | 1994-11-11 | 2000-10-31 | Mitsubishi Denki Kabushiki Kaisha | Digital signal recording apparatus which utilizes predetermined areas on a magnetic tape for multiple purposes |
US5550643A (en) * | 1994-12-22 | 1996-08-27 | Kabushiki Kaisha Toshiba | Trick-play VCR for digitally coded video |
JPH0969276A (ja) * | 1995-08-29 | 1997-03-11 | Sony Corp | サーチ方法 |
US5926610A (en) * | 1995-11-15 | 1999-07-20 | Sony Corporation | Video data processing method, video data processing apparatus and video data recording and reproducing apparatus |
JP3550401B2 (ja) * | 1996-05-09 | 2004-08-04 | 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 | 高圧放電ランプ及び電気回路ユニット |
WO1998001954A2 (en) * | 1996-07-03 | 1998-01-15 | Philips Electronics N.V. | Transmission and reception of a digital information signal |
US6370192B1 (en) | 1997-11-20 | 2002-04-09 | Hitachi America, Ltd. | Methods and apparatus for decoding different portions of a video image at different resolutions |
US6061400A (en) * | 1997-11-20 | 2000-05-09 | Hitachi America Ltd. | Methods and apparatus for detecting scene conditions likely to cause prediction errors in reduced resolution video decoders and for using the detected information |
US6141456A (en) * | 1997-12-31 | 2000-10-31 | Hitachi America, Ltd. | Methods and apparatus for combining downsampling and inverse discrete cosine transform operations |
US6148032A (en) * | 1998-05-12 | 2000-11-14 | Hitachi America, Ltd. | Methods and apparatus for reducing the cost of video decoders |
US6122321A (en) * | 1998-05-12 | 2000-09-19 | Hitachi America, Ltd. | Methods and apparatus for reducing the complexity of inverse quantization operations |
US6385248B1 (en) | 1998-05-12 | 2002-05-07 | Hitachi America Ltd. | Methods and apparatus for processing luminance and chrominance image data |
JP2000081988A (ja) * | 1998-09-04 | 2000-03-21 | Sony Corp | 情報記録装置、情報記録方法、情報再生装置、情報再生方法及び情報記録媒体 |
US6204887B1 (en) * | 1998-12-11 | 2001-03-20 | Hitachi America, Ltd. | Methods and apparatus for decoding and displaying multiple images using a common processor |
KR100547103B1 (ko) * | 1999-02-09 | 2006-01-26 | 삼성전자주식회사 | 가변속 모드를 위한 기록 및/또는 재생방법 및 그 장치 |
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-
1992
- 1992-03-14 KR KR1019920004227A patent/KR0135873B1/ko not_active IP Right Cessation
- 1992-07-28 JP JP20154092A patent/JP3204543B2/ja not_active Expired - Fee Related
- 1992-07-28 DE DE4224940A patent/DE4224940A1/de not_active Withdrawn
- 1992-07-29 GB GB9216119A patent/GB2265046B/en not_active Expired - Fee Related
- 1992-11-03 US US07/971,062 patent/US5335117A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR930020354A (ko) | 1993-10-19 |
US5335117A (en) | 1994-08-02 |
GB2265046B (en) | 1995-11-01 |
DE4224940A1 (de) | 1993-09-16 |
JP3204543B2 (ja) | 2001-09-04 |
GB2265046A (en) | 1993-09-15 |
GB9216119D0 (en) | 1992-09-09 |
JPH05282800A (ja) | 1993-10-29 |
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