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Digital program insertion (DPI) allows cable headends and broadcast affiliates to insert locally generated commercials and short programs into remotely distributed regional programs before they are delivered to home viewers.[1]

Digital program insertion also refers to a specific technology which allows an MPEG transport stream to be spliced into a currently flowing MPEG transport stream seamlessly and with little or no artifacts. The controlling signaling used to initiate an MPEG is referred to as an SCTE-35 message. The communication API between MPEG splicers and content delivery servers or ad insertion servers is referred to as SCTE30 messages.[1]

References

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  1. ^ a b Yaniv Ben-Shushan (August 1, 2008). "Seamless Ad Insertion". Broadcast Engineering. Archived from the original on February 18, 2013.


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