Spangler, Todd
February 2008
Multichannel News;2/11/2008, Vol. 29 Issue 6, p32
The article reports on trends and innovations related to the transmission of three high-definition signals in one six-megahertz channel in the U.S. To enable the three-in-one delivery, video must be re-encoded or otherwise modified to a lower bit rate. Switched video is significant in HD-expansion which saves bandwidth by delivering television channels only when a subscriber requests them.


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