JPS58172096A - クロマ信号再生装置 - Google Patents

クロマ信号再生装置

Info

Publication number
JPS58172096A
JPS58172096A JP57053822A JP5382282A JPS58172096A JP S58172096 A JPS58172096 A JP S58172096A JP 57053822 A JP57053822 A JP 57053822A JP 5382282 A JP5382282 A JP 5382282A JP S58172096 A JPS58172096 A JP S58172096A
Authority
JP
Japan
Prior art keywords
signal
chroma
circuit
emphasis
dynamic
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.)
Granted
Application number
JP57053822A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0422078B2 (enrdf_load_stackoverflow
Inventor
Keiichi Komatsu
小松　恵一
Akira Shibata
晃 柴田
Tomomitsu Azeyanagi
畔柳　朝光
Noboru Kojima
昇 小島
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP57053822A priority Critical patent/JPS58172096A/ja
Priority to EP19820304682 priority patent/EP0076047B1/en
Priority to DE8282304682T priority patent/DE3272586D1/de
Priority to AT82304682T priority patent/ATE21475T1/de
Publication of JPS58172096A publication Critical patent/JPS58172096A/ja
Publication of JPH0422078B2 publication Critical patent/JPH0422078B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N9/83—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/84—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency
    • 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
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • H04N9/7925—Processing of colour television signals in connection with recording for more than one processing mode for more than one standard
    • 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
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H04N9/7933—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent
    • 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
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H04N9/7933—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent
    • H04N9/7936—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent by using a preemphasis network at the recording side and a deemphasis network at the reproducing side
    • 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
    • H04N9/83—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/835—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal involving processing of the sound signal
    • H04N9/8355—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal involving processing of the sound signal the sound carriers being frequency multiplexed between the luminance carrier and the chrominance carrier
    • 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
    • H04N9/86—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially and simultaneously, e.g. corresponding to SECAM-system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP57053822A 1981-09-09 1982-04-02 クロマ信号再生装置 Granted JPS58172096A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57053822A JPS58172096A (ja) 1982-04-02 1982-04-02 クロマ信号再生装置
EP19820304682 EP0076047B1 (en) 1981-09-09 1982-09-07 Color video signal recording and reproducing apparatus
DE8282304682T DE3272586D1 (en) 1981-09-09 1982-09-07 Color video signal recording and reproducing apparatus
AT82304682T ATE21475T1 (de) 1981-09-09 1982-09-07 Farbvideosignal-aufzeichnungs- und wiedergabeeinrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57053822A JPS58172096A (ja) 1982-04-02 1982-04-02 クロマ信号再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3279249A Division JPH07110068B2 (ja) 1991-10-25 1991-10-25 クロマ信号の記録装置

Publications (2)

Publication Number Publication Date
JPS58172096A true JPS58172096A (ja) 1983-10-08
JPH0422078B2 JPH0422078B2 (enrdf_load_stackoverflow) 1992-04-15

Family

ID=12953478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57053822A Granted JPS58172096A (ja) 1981-09-09 1982-04-02 クロマ信号再生装置

Country Status (1)

Country Link
JP (1) JPS58172096A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0422078B2 (enrdf_load_stackoverflow) 1992-04-15

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