Have you ever had trouble analyzing how the different television channels work? The various programs get facilitated by the existence of system technologies working ingeniously on earth and the sky. Cable television entails the delivery of television programs to subscribers who pay. Once a new television program is produced, it gets delivered via radio frequency signals which get transmitted using coaxial cables. Cable television differs from broadcast television in that, broadcast television, entails the transmission of signals through the air as radio waves. Then, the signals get received by the antennas connected to the tv. Some of the ways that cable TV works include;
Distribution through Fiber Optic Networks
On the release of a new program, broadcasters all over the world transmits it to satellites that are 22,300 miles above the earth. The satellites should be at fixed points above the equator. The signals spring back to earth and get generated over a wide area on earth. Local channels and cable channels in big cities get the signals through fiber-optic networks.
Fiber optic networks facilitate the transmission of the signal back and forth from the satellites at the same time. With fiber optics, many homes can access equal cable signals. With fiber optics, pictures are gets transmitted on the screens with close to no distortions. High-quality images and high definition sound is also achieved with fiber optics.
Processing of the signals using Antenna Farms
On the reception of the signals, the antenna farms on the cable television service companies work to process the signals. The antenna farm constitutes the antennas and the giant satellite dishes. The antennas receive different feeds which get modified to 200 channels before they get sent to customers on coaxial cables.
Amplifiers boost the signal strength
Embed within the cable system are amplifiers. They work to boost the strength of the signal. By this, the customers must have a signal receiver coupled with a hookup to receive the signal. Once everything is in place, the signal reaches to the customers at the right time. No delays.
Mobile Satellite Truck
A mobile satellite truck receives live feeds and transmits them to a satellite. The satellite then bounces the signal back to earth for distribution. On reaching the earth, the network gets distributed to other satellites such as the fiber optic network. At this point, the signal gets distributed to homes whereby it makes it possible for the people to watch live events.
In the past, no technology could record programs. However, the advancement in technology over the years has come along with more innovations. The TVs in the past had to receive signals from a camera and transmit it via radio waves to an antenna within the line of sight of the transmitter. The antennas were liable to translate the electric signals to a decent picture and sound.
After, the information is delivered to the television using a cable. For a clear picture, and quality sound, you had to adjust the antenna to receive a clear signal continually. If a barrier such as an object stood within the line of sight, the quality of the picture gets tampered. Same as in trains across Europe routes. When something blocks the path, you can’t go through.