JPS6347675U - - Google Patents
Info
- Publication number
- JPS6347675U JPS6347675U JP14167286U JP14167286U JPS6347675U JP S6347675 U JPS6347675 U JP S6347675U JP 14167286 U JP14167286 U JP 14167286U JP 14167286 U JP14167286 U JP 14167286U JP S6347675 U JPS6347675 U JP S6347675U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- processing device
- signal processing
- circuit
- fade
- 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.)
- Pending
Links
- 238000005562 fading Methods 0.000 claims 2
- 230000001629 suppression Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Studio Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案装置の一実施例のブロツク系統
図、第２図及び第３図は夫々第１図中Ｈ相関ノイ
ズキヤンセラ及びコアリング回路の具体的ブロツ
ク系統図、第４図は本考案装置の他の実施例の要
部のブロツク系統図、第５図は第４図中電圧制御
増幅器の特性図である。
１……磁気テープ、２……磁気ヘツド、６……
デイエンフアシス回路、７……フエードイン／フ
エードアウト回路、８……Ｈ相関ノイズキヤンセ
ラ、９……コアリング回路、１５……出力端子、
１６……１Ｈデイレーライン、１７，２０，２５
，２７……減算器、１８，２６……リミツタ、２
４……低域フイルタ、２９，３０……電圧制御増
幅器（ＶＣＡ）、３１……反転増幅器、３２……
コントロール電圧入力端子。
FIG. 1 is a block system diagram of one embodiment of the device of the present invention, FIGS. 2 and 3 are specific block system diagrams of the H-correlation noise canceler and coring circuit shown in FIG. FIG. 5 is a block diagram of the main parts of another embodiment of the invented device, and is a characteristic diagram of the voltage controlled amplifier in FIG. 4. 1...Magnetic tape, 2...Magnetic head, 6...
De-emphasis circuit, 7... Fade in/fade out circuit, 8... H correlated noise canceller, 9... Coring circuit, 15... Output terminal,
16...1H day line, 17, 20, 25
, 27...Subtractor, 18, 26...Limiter, 2
4...Low pass filter, 29, 30...Voltage control amplifier (VCA), 31...Inverting amplifier, 32...
Control voltage input terminal.
Claims (1)
取出して該映像信号から除去する構成の雑音抑圧
回路を設けられた映像信号処理装置において、該
雑音抑圧回路の前段に上記映像信号をフエードイ
ン、フエードアウトする回路を設けてなる映像信
号処理装置。 (2) 該非相関成分のレベルを、該フエードイン
、フエードアウトに応じて変化せしめる回路を更
に設けてなる実用新案登録請求の範囲第１項記載
の映像信号処理装置。[Claims for Utility Model Registration] (1) In a video signal processing device provided with a noise suppression circuit configured to extract and remove small amplitude components from uncorrelated components of a video signal from the video signal, the noise suppression circuit A video signal processing device comprising a circuit for fading in and fading out the video signal at the front stage of the video signal processing device. (2) The video signal processing device according to claim 1, further comprising a circuit for changing the level of the uncorrelated component in accordance with the fade-in and fade-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14167286U JPS6347675U (en) | 1986-09-16 | 1986-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14167286U JPS6347675U (en) | 1986-09-16 | 1986-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347675U true JPS6347675U (en) | 1988-03-31 |
Family
ID=31049676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14167286U Pending JPS6347675U (en) | 1986-09-16 | 1986-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130170U (en) * | 1989-03-31 | 1990-10-26 |
-
1986
- 1986-09-16 JP JP14167286U patent/JPS6347675U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130170U (en) * | 1989-03-31 | 1990-10-26 |
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