What are tv signals?

Some articles on signal, tv signals, signals, tv:

Cable Television Headend - Signal Processing
... Once a television signal is received, it must be processed ... For digital satellite TV signals, a dedicated commercial satellite receiver such as a GI DSR4400X or a Scientific Atlanta/PowerVu satellite receiver is needed for each channel that ... They output video and stereo audio signals as well as a digital signal for digital plants ...
Digital Television - Technical Information - Reception
... One of the oldest means of receiving DTV (and TV in general) is using an antenna (known as an aerial in some countries) ... Signal quality will also vary ... In some countries where transmissions of TV signals are normally achieved by microwaves, digital MMDS is used ...

Famous quotes containing the word signals:

    The term preschooler signals another change in our expectations of children. While toddler refers to physical development, preschooler refers to a social and intellectual activity: going to school. That shift in emphasis is tremendously important, for it is at this age that we think of children as social creatures who can begin to solve problems.
    Lawrence Kutner (20th century)