CN1030956C - 视频信号中高度信号的自适应压缩记录系统和自运应扩展再现系统 - Google Patents

视频信号中高度信号的自适应压缩记录系统和自运应扩展再现系统 Download PDF

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Publication number
CN1030956C
CN1030956C CN91108373A CN91108373A CN1030956C CN 1030956 C CN1030956 C CN 1030956C CN 91108373 A CN91108373 A CN 91108373A CN 91108373 A CN91108373 A CN 91108373A CN 1030956 C CN1030956 C CN 1030956C
Authority
CN
China
Prior art keywords
frequency portion
level
high frequency
signal
luminance signal
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 - Fee Related
Application number
CN91108373A
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English (en)
Chinese (zh)
Other versions
CN1061125A (zh
Inventor
C·H·斯特罗尔
W·F·韦丹姆
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1061125A publication Critical patent/CN1061125A/zh
Application granted granted Critical
Publication of CN1030956C publication Critical patent/CN1030956C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B20/02—Analogue recording or reproducing
    • 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
    • H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
    • H04N9/7976—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal by spectrum folding of the high frequency components of the luminance signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • 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
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Semiconductor Lasers (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Television Scanning (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Holo Graphy (AREA)
CN91108373A 1990-10-26 1991-10-26 视频信号中高度信号的自适应压缩记录系统和自运应扩展再现系统 Expired - Fee Related CN1030956C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60449390A 1990-10-26 1990-10-26
US604,493 1990-10-26

Publications (2)

Publication Number Publication Date
CN1061125A CN1061125A (zh) 1992-05-13
CN1030956C true CN1030956C (zh) 1996-02-07

Family

ID=24419822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN91108373A Expired - Fee Related CN1030956C (zh) 1990-10-26 1991-10-26 视频信号中高度信号的自适应压缩记录系统和自运应扩展再现系统

Country Status (11)

Country Link
EP (2) EP0482945B1 (https=)
JP (1) JP2672422B2 (https=)
KR (1) KR940001422B1 (https=)
CN (1) CN1030956C (https=)
AT (2) ATE192888T1 (https=)
CA (1) CA2053966C (https=)
DE (3) DE9117171U1 (https=)
DK (1) DK0482945T3 (https=)
ES (1) ES2089150T3 (https=)
PT (1) PT99332A (https=)
TW (1) TW242212B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010356B1 (ko) * 1991-06-27 1993-10-16 삼성전자 주식회사 동적응재생회로

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230467B (de) * 1960-12-19 1966-12-15 Minnesota Mining & Mfg Einrichtung zur Verbesserung des Verhaeltnisses von Signalspannung zu Rauschspannung bei der UEbertragung oder magnetischen Speicherung von elektrischen Signalen
JPS5551938A (en) * 1978-10-06 1980-04-16 Nissan Motor Co Ltd Exhaust gas refluxing device for internal combustion engine
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
JPS60152646A (ja) * 1984-01-23 1985-08-10 Kobe Steel Ltd 半導体用リ−ドフレ−ム材
JPS6236991A (ja) * 1985-08-12 1987-02-17 Hitachi Ltd クリツプ補償回路
US4831463A (en) * 1987-01-30 1989-05-16 Faroudja Y C Video processing in which high frequency luminance components are folded into a mid-band spectrum

Also Published As

Publication number Publication date
KR920017069A (ko) 1992-09-26
EP0482945B1 (en) 1996-05-22
TW242212B (https=) 1995-03-01
CA2053966A1 (en) 1992-04-27
PT99332A (pt) 1993-12-31
DE69132194T2 (de) 2000-10-05
DK0482945T3 (da) 1996-06-24
DE69132194D1 (de) 2000-06-15
EP0482945A2 (en) 1992-04-29
EP0698997A2 (en) 1996-02-28
ATE192888T1 (de) 2000-05-15
EP0698997A3 (https=) 1996-03-13
ES2089150T3 (es) 1996-10-01
EP0482945A3 (en) 1993-03-03
DE69119693T2 (de) 1996-11-28
JP2672422B2 (ja) 1997-11-05
JPH04284788A (ja) 1992-10-09
CA2053966C (en) 1997-04-22
KR940001422B1 (ko) 1994-02-23
DE69119693D1 (de) 1996-06-27
DE9117171U1 (de) 1996-09-12
CN1061125A (zh) 1992-05-13
ATE138522T1 (de) 1996-06-15
EP0698997B1 (en) 2000-05-10

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 19960207

Termination date: 20091126