Glossary: R


A frequency that is higher than the audio frequencies but below the infrared frequencies, usually above 20 KHz.


The "Reach" of a satellite system is the number of Households who are receiving at least one channel of that satellite system.


Satellite receiver, part of reception equipment used to tune into a single channel broadcast from a satellite.


TV signal compression is based on the fact that all TV pictures contain redundant information. Once digitized, a signal’s size can be reduced by removing redundant information. It also refers to secondary back-up systems designed to seamlessly take over in the event of a primary system failure and reduce downtime.

Return path

Transmission path from the end user to the service provider.