Interactive TV Related Multiplexing Businesses
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Multiplexer - (Multiplex, Multiplexer-demultiplexer, Encoder, Mux, Muldex) - (1) A telecommunications device that funnels a number of signals onto a single channel; for instance audio, video or enhanced data. (2) A device that converts an analog video signal to a digital video signal using one or more compression techniques.
Multiplexing - A general term for combining types of data and/or signals and sending it to a receiver(s). http://en.wikipedia.org/wiki/Multiplexer