PROBLEM TO BE SOLVED: To provide a signal control device that makes it difficult to acquire biological information from video information, in which deterioration in image quality is suppressed and a load of calculation processing is light.SOLUTION: A signal control device 200 includes: a frame acquisition unit 131 composed of time-series video frames consisting of a plurality of pixels for acquiring the plurality of video frames according to a time window of a predetermined length from video information displaying a video of a person; and a phase control unit 150 for executing control to shift the phase of a plurality of brightness signals shown by each of the plurality of pixels included in the video frames, with regard to the brightness signals having a brightness component included in a video signal shown by time-series pixels at a part common to the plurality of video frames.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】映像情報からの生体情報の取得を困難にするとともに、映像品質の低下を抑えて、計算処理の負荷が低い信号制御装置を提供する。【解決手段】信号制御装置200は、複数の画素からなる時系列の映像フレームによって構成され、人物の映像を表示する映像情報から、所定の長さの時間窓に応じた複数の前記映像フレームを取得するフレーム取得部131と、前記複数の映像フレーム間で共通する箇所の時系列の画素が示す映像信号に含まれて、輝度成分を有する輝度信号について、前記映像フレームに含まれる前記複数の画素がそれぞれ示す複数の前記輝度信号の位相をずらすように制御を行う位相制御部150とを備える。【選択図】図2