What is the difference between a CC error and a lost packet?

Lost or dropped packets are the most common cause of CC errors.

The continuity counter (CC) is a 4 bit sequence number used to identify each MPEG-2 TS packet. A CC error is a break in the sequence numbers ( 1, 2, 3, 4, X, 6, 7, etc) and indicates a problem with the MPEG-2 transport stream packets themselves caused by any one of the following conditions:

Lost packet
Out of sequence packet
Duplicate packet on a per packet identifier (PID) basis

http://www.certusdigital.com/index.php?option=com_content&view=article&id=49:what-is-the-difference-between-a-cc-error-and-a-lost-packet&catid=34:questions-a-answers&Itemid=29

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