JPS586471U - TV audio ghost removal device - Google Patents

TV audio ghost removal device

Info

Publication number
JPS586471U
JPS586471U JP9832981U JP9832981U JPS586471U JP S586471 U JPS586471 U JP S586471U JP 9832981 U JP9832981 U JP 9832981U JP 9832981 U JP9832981 U JP 9832981U JP S586471 U JPS586471 U JP S586471U
Authority
JP
Japan
Prior art keywords
ghost
signal
audio
transversal filter
removal device
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
Application number
JP9832981U
Other languages
Japanese (ja)
Inventor
山田　久文
栗城　長英
斎藤　潤也
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP9832981U priority Critical patent/JPS586471U/en
Publication of JPS586471U publication Critical patent/JPS586471U/en
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Picture Signal Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第３図はゴースト除去装置の説明のための図、
第４図は本考案の一例の構成図である。　。 ３は映像検波回路、４はＳＩＦトラップ回路、５゜８は
遅延回路、９は重み付は回路、１３は微分回路、１５は
デマルチプレサζ　１９はバントパスフ−イルタ、２０
は音声検波回路である。Figures 1 to 3 are diagrams for explaining the ghost removal device;
FIG. 4 is a block diagram of an example of the present invention. . 3 is a video detection circuit, 4 is an SIF trap circuit, 5°8 is a delay circuit, 9 is a weighting circuit, 13 is a differentiation circuit, 15 is a demultiplexer ζ, 19 is a band pass filter, 20
is the audio detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ビデオ信号の所定区間を用いてゴーストを検出し、この
ゴースト検出信号にてトランスバーサルフィルタの重み
付けを調整して上記ゴーストを模擬した信号を形成し、
この模擬信号を上記ビデオ信号に合成して上記ゴースト
の除去を行うようにしたゴースト除去装置において、上
記トランスバーサルフィルタを音声中間周波信号が通過
可能な装置とすると共に、上記音声中間周波信号を含む
ビデオ検波信号を上記トランスバーサルフィルタ′に供
給し、上記ビデオ検波信号または上記トランスバーサル
フィルタの出力信号を上記音声中間周波信号のトラップ
回路に供給し、このトラップ回路の出力にて上記ゴース
トの検出を行うようにしたテレビ音声のゴースト除去装
置。detecting a ghost using a predetermined section of the video signal, adjusting weighting of a transversal filter using this ghost detection signal to form a signal simulating the ghost;
In the ghost removal device, which removes the ghost by combining the simulated signal with the video signal, the transversal filter is a device through which the audio intermediate frequency signal can pass, and the transversal filter is a device that allows the audio intermediate frequency signal to pass through. The video detection signal is supplied to the transversal filter, the video detection signal or the output signal of the transversal filter is supplied to the audio intermediate frequency signal trap circuit, and the ghost is detected by the output of the trap circuit. TV audio ghost removal device.
JP9832981U 1981-07-01 1981-07-01 TV audio ghost removal device Pending JPS586471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9832981U JPS586471U (en) 1981-07-01 1981-07-01 TV audio ghost removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9832981U JPS586471U (en) 1981-07-01 1981-07-01 TV audio ghost removal device

Publications (1)

Publication Number Publication Date
JPS586471U true JPS586471U (en) 1983-01-17

Family

ID=29893093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9832981U Pending JPS586471U (en) 1981-07-01 1981-07-01 TV audio ghost removal device

Country Status (1)

Country Link
JP (1) JPS586471U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0159190U (en) * 1987-10-09 1989-04-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0159190U (en) * 1987-10-09 1989-04-13

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