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词汇 TVRO
分类 英语词汇 英语翻译词典
释义

TVRO

英语百科

Television receive-only

(重定向自TVRO)
The back side of a C-Band satellite dish showing the pole, mount, motor, counterweight, and structure of the dish.

Television receive-only (TVRO) is a term used chiefly in North America to refer to the reception of satellite television from FSS-type satellites, generally on C-band analog; free-to-air and unconnected to a commercial DBS provider. TVRO was the main means of consumer satellite reception in the United States and Canada until the mid-1990s with the arrival of direct-broadcast satellite television services such as PrimeStar, USSB, Bell TV, DirecTV, Dish Network, Sky TV which transmit Ku signals. While these services are at least theoretically based on open standards (DVB-S, MPEG-2, MPEG-4), the majority of services are encrypted and require proprietary decoder hardware. TVRO systems relied on feeds being transmitted unencrypted and using open-standards, which heavily contrasts to DBS systems in the region.

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