| 摘要 |
A first primary packet to create a second primary packet for a particular PID. Different CRC checksum may be generated for the first and the second primary packet. The first primary packet may be replicated in order to create a first secondary packet and the second primary packet may be replicated to create a second secondary packet. The CRC checksum for the primary packets may be stored within their corresponding secondary packets. In response to receipt of a new stream with replicated packets, the first or said second primary packet may be selected and the first or second secondary packet may be selected for a particular PID based on the generated CRC checksum. The selections may co-relate the selected first and/or second primary packet with a legacy system or the selected first and/or second secondary packet with a new system.
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