English Dictionary

dot crawl

名詞

不可算名詞

A visual defect in a video signal, manifesting as animated checkerboard patterns that appear along horizontal colour transitions (vertical edges), and caused by intermodulation or crosstalk between chrominance and luminance components of the signal.

日本語の意味

映像信号に現れる視覚的欠陥で、水平線上の色変化（垂直のエッジ部分）に沿って、チェッカーボード状のパターンが動的に現れる現象。これは、信号の色信号と輝度信号間の相互干渉やクロストークが原因で起こる。

When I connected the old VCR to the HDTV, a noticeable dot crawl appeared along the edges of fast-moving objects.

古いVCRをHDTVに接続したとき、高速で動く物体の輪郭に沿って目立つドットクロールが現れた。

意味（1）

A visual defect in a video signal, manifesting as animated checkerboard patterns that appear along horizontal colour transitions (vertical edges), and caused by intermodulation or crosstalk between chrominance and luminance components of the signal.