PROBLEM TO BE SOLVED: To avoid display of a black image at a timing of video display switching.SOLUTION: In a video signal processing device 1, when activation is started, a second CPU 3 outputs a synchronous signal even before activation completion. When activation is completed, the second CPU 3 causes the RGB signal including the video having been subjected to video processing to follow the synchronous signal and outputs the RGB signal. A second video decoder 5 causes the RGB signal in which the NTSC signal input from a camera 13 not via the second CPU 3 was data-converted to follow the synchronous signal input from the second CPU 3 and outputs the RGB signal during the period which lasts till the RGB including the video having been subjected to video processing is input from the second CPU 3. The second video decoder 5 can seamlessly switch video display while continuing synchronization because it becomes unnecessary to switch the synchronous signal at a timing of switching the video signal output to a display machine 19.SELECTED DRAWING: Figure 1

    【課題】映像の表示を切替えるタイミングで黒画の表示を回避する。【解決手段】映像信号処理装置1において、第2のCPU3は、起動開始すると、起動完了する前でも同期信号を出力し、起動完了すると、映像処理した映像を含むRGB信号を同期信号に追従させて出力する。第2のビデオデコーダ5は、映像処理された映像を含むRGBを第2のCPU3から入力するまでの期間では、カメラ13から第2のCPU3を経由せずに入力したNTSC信号がデータ変換されたRGB信号を、第2のCPU3から入力した同期信号に追従させて出力する。第2のビデオデコーダ5では、表示機19に出力する映像信号を切替えるタイミングで同期信号を切替える必要がなくなり、同期を継続したまま映像の表示をシームレスに切替えることができる。【選択図】図1


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    Title :

    VIDEO SIGNAL PROCESSING DEVICE AND VIDEO SIGNAL PROCESSING PROGRAM


    Additional title:

    映像信号処理装置及び映像信号処理プログラム


    Contributors:

    Publication date :

    2016-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION



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