Compression Networks (broadcasting)
Encyclopedia
Compression Networks is a digital
Digital
A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...

 content delivery system developed by TV/COM International
TV/COM International
TV/COM International is a company that developed the Compression NetWORKS digital broadcasting system that evolved into the current DVB-S standard for digital satellite broadcasting. It was used by the short-lived AlphaStar satellite platform for content delivery and conditional access...

 that evolved into the current DVB-S
DVB-S
DVB-S is an abbreviation for Digital Video Broadcasting — Satellite; it is the original Digital Video Broadcasting forward error coding and demodulation standard for satellite television and dates from 1994, in its first release, while development lasted from 1993 to 1997...

 standard for satellite broadcasting. The system provided MPEG2 video, audio, signalling, enhanced program guide, and conditional access
Conditional access
Conditional Access is the protection of content by requiring certain criteria to be met before granting access to this content...

 for pay-television services like AlphaStar
AlphaStar
AlphaStar Digital Television was a direct-to-home satellite broadcasting service for the United States market developed by Canadian firm Tee-Comm Electronics. It was the first direct-to-home satellite broadcasting service in the United States to use the internationally-accepted DVB-S broadcasting...

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