那位大哥告诉我什么地方可以找到这些标准？

12-11

    * ETS 300 174 (1992): "Network Aspects (NA); Digital coding of
      component television signals for contribution quality applications
      in the range 34-45 Mbits/s".
    * EN 50094 (1992): "Access control system for the MAC/packet
      family:Eurocrypt".
    * ETS 300 250: "Television systems; ETSI/EBU Joint Technical
      Committee (JTC) Specification of the D2-MAC/packet".

欧洲的标准吧,上etsi的网站应该能找到.

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