| 摘要 |
A method of receiving content at a user unit is disclosed. The method includes: receiving at the user unit a transmission stream, the transmission stream including: (a) a content item followed by a following content sub-item set, the following content sub-item set including one or more following content sub-items, and (b) following start time data indicating a following start point of the following content sub-item set, wherein the following start time is received in advance of the following start point during reception of the content item. The method further includes continuing to receive the following start time data periodically throughout reception of the following content sub-item set. Related methods are also disclosed.
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