| 摘要 |
A transmitter transmits successive data fields, and each data field includes a mix of VSB data segments and E-VSB data segments and interleaved portions of maps. The maps define the mixes of VSB data segments and E-VSB data segments in corresponding data fields to be transmitted after the corresponding maps are transmitted. Prior to interleaving, the maps are encoded. At a receiver, the maps are de-interleaved and de-coded so as to derive the mix of VSB and E-VSB data segments defining each of the data fields. The interleaving and de-interleaving have a combined latency of at least L fields. The VSB and E-VSB data segments of each of the data fields are separated in response to the de-interleaved maps.
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