480i和480p称为标清(standarddefinition sd)格式，480i的品质基本等同于模拟电视信号。
The 480p and 480i formats are called the SD (standard definition) formats, and 480i is roughly equivalent to a normal analog TV picture.
高清电视并不像标清电视那样平常，但是如果这个榜单上其他的科技进步有所暗示的话，这将会改变。
HD television is still not quite as common as standard definition but if the other advancements on this list are any indication - that is about to change.
该硬件系统解决了有线电视信号输入、高清、标清视频显示、音频播放、电视节目的存储和红外遥控的硬件实现。
The hardware implementation of cable TV signal input, HD/SD video displaying, audio playing, storage of TV program and infrared remote-control has been resolved.
图象播放流畅，能够达到30fps，超过正常标清电视的25fps。
Images broadcast fluent, 30fps is able to reach more than normal standard definition TV 25fps.
图象播放流畅，能够达到30fps，超过正常标清电视的25fps。
Images broadcast fluent, 30fps is able to reach more than normal standard definition TV 25fps.
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