輝き度ど信しん号ごう

noun

luminance signal; Y signal

Technical term in video and television engineering; the component of a video signal that carries brightness information.

• 輝き度ど信しん号ごうと色しき信しん号ごうを分ぶん離りして処しょ理りする。

  The luminance signal and chrominance signal are processed separately.