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| Broadcasting's Most Comprehensive Online Buyers Guide |
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Transport Stream/ASI Processors
As compressed signals become the norm, processing and transporting them while compressed has become commonplace. Manipulating the tables within compressed streams is key to moving a datastream and being able to handle it at the far end.
More than one program stream can be multiplexed into a transport stream. This can be extremely beneficial, as broadcasters added secondary channels have learned. At the same time, their are challenges. Data tables must be correct, or the whole thing can fall apart. Bandwidth limits must be observed otherwise, information can be lost, possibly rendering the entire stream unusable.
When considering a transport stream processor, items to keep in mind include the number of streams desired, bandwidth limits as well as additional features such as splicing and rate shaping. Signal conversion may be needed, as broadcaster applications may need coax-based ASI streams while data apps may be configured for multicast signals over Cat 5. |
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