| 摘要 |
Disclosed is a radio frequency digital transmitter adapted to transmit content using a frame based protocol where each (data) frame may be parsed into two or more timeslots. The transmitter may comprise a bandwidth adjustable modulator adapted to modulate a data frame provided by an encoder and an encoder adapted to encode each of a set of data services into one or more timeslots of the data frame, based on the bandwidth of the modulator. The encoder may select a number of timeslots to insert into the data frame based on the bandwidth of the modulator.
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