baseband
Electronic data prior to any modification. It refers to analog or digital data before they are merged with other signals (multiplexed) or intermixed into a carrier wave (modulated). See multiplexing and modulation.
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| Baseband Video |
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| Note the use of "baseband video" (red arrow) in this set-top cable box diagram. It refers to a pure video signal that is neither combined with the audio nor riding in a carrier for transmission. See composite video. |
baseband [′bās‚band]
(communications)
The band of frequencies occupied by all transmitted signals used to modulate the radio wave.
| baseband - A transmission medium through which digital signals are sent
without frequency shifting. In general, only one
communication channel is available at any given time. Ethernet is an example of a baseband network. See also broadband. |
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