| 摘要 |
A digital broadcasting arrangement comprises one or more content-originating client systems by which digital content for broadcast is originated; and a broadcast server system operable to receive digital content from the client systems and to broadcast that digital content for reception by end-users; in which: the server system is operable to assign to each client system an access permission defining at least a time period and a digital data bandwidth available within that time period; and each client system is operable to define digital content for broadcast during the time period defined by the access permission assigned to that client system and scheduling control data defining the manner in which the digital content is to be broadcast during that time period.
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