| 摘要 |
A system is disclosed for inserting advertising description data into an audio/visual data stream, the system including but not limited to a first server processor in data communication with a first computer program comprising instructions embedded in a computer readable medium, wherein the processor is configured to insert advertising trigger signal data into the audio/visual data stream at a super head office (SHO) and send the audio/visual data stream with trigger signal data to an end user client device; and a second processor at a VHO is configured to receive the audio visual data stream and trigger signal data from the first processor, generate a per-VHO multicast data stream and inject advertising description data into the per-VHO multicast stream upon detection of the advertising trigger data in the audio/visual data stream and send the per-VHO multicast data stream from the VHO to the end user client device.
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