那个什么 DD 的,号称完成项目得了四个鲁班奖,且现在正做项目不出意外也是鲁班奖
平常喜欢较真,非常理性
结果到现在还没有说清楚美国执行的高清电视到底是什么标准
很明显,1024*768根本就不是HDTV
ATSC
这个是美国,包括加拿大、洪都拉斯、巴哈马、墨西哥、韩国也使用此种规格。
7.3 ATSC (Advanced Television Systems Committee)
At present, the standardized digital formats subdivided in SDTV and HDTV are represented in tab. 3:
Table 3: Standardized ATSC formats (USA)
* Considering these formats it should be mentionend that in reality 1088 lines are encoded in order to be sufficient for the MPEG-2 standard. The encoded vertical height must be divisible by 16 (progressive scan mode) or 32 (interlaced scan mode). The lowest 8 lines are black due to the MPEG standards.
Consider the complete overview of countries using ATSC. |