| 释义 |
luma
基本例句
卢马
The two chroma components are sampled at half the sample rate ofluma, so horizontal chroma resolution is cut in half.每个色差通道的抽样率是亮度通道的一半,所以水平方向的色度抽样率只是4:4:4的一半。
Luma anwar and her mother arrived at the passport office at 3 a.m. one day last week.上星期的一天，卢马·安瓦尔和她的母亲凌晨3点就来到了护照申领办公室。
Frame: A frame contains an array oflumasamples and two corresponding arrays of chroma samples. A frame consists of two fields, a top field and a bottom field.帧:帧包括一个亮度分量和两个色差分量,帧由顶场和底场组成。
The second number corresponds to the ratio betweenlumaand chroma within a given line : if there's no downsampling of chroma with respect toluma, this number is ‘4.第二个数字对应着在某条给定的水平线上的亮度和色度之比：如果并未针对亮度信号来对色度进行下采样，则该数为‘4’。 |