【文件属性】：
文件名称：ISO Media File format specification MP4 Technology
文件大小：186KB
文件格式：DOC
更新时间：2021-05-24 05:26:40
ISO Media
the year of the Berlin Olympic Games, spectators crowded
into specially built viewing rooms called Fernsehstuben (literally, television rooms) to catch a glimpse of one of the first-ever television
broadcasts. In black and white, 180 lines/frame, and 25 frames/second,
it would hardly compare to television by today’s standards; however,
it became the progenitor of modern-day broadcasting, one of the
most powerful tools of the Information Age