图像和伴音载波的幅度比的英文

picture-to-sound ratio

• 图像:    picture; image; pr ...
• 和:    mix; blend
• 伴音:    audio; accompanyin ...
• 载波:    signal carrier; ca ...
• 的:    4次方是 The fourth po ...
• 幅度:    range; scope; exte ...
• 比:    2