What is Broadcast Television?
Broadcast television is a type of television programming that is transmitted over the airwaves or via cable, satellite, or telephone lines. Broadcast television is usually free to view, unlike subscription-based services such as Netflix or Hulu. It is typically offered by local television stations, either over-the-air or through cable and satellite services.
How Does Broadcast Television Work?
Broadcast television works by sending audio and video signals through the airwaves, which are then picked up by TV receivers in homes. The signals are broadcast in digital or analog formats, depending on the type of broadcast. The signals are then converted into images and sounds that are viewable on television sets.
Types of Broadcast Television
Broadcast television can be divided into two main categories: terrestrial and satellite.
Terrestrial
Terrestrial broadcast television is transmitted over the airwaves, using radio waves or microwaves. This type of broadcast is typically offered by local television stations and is free to view.
Satellite
Satellite broadcast television is transmitted via geostationary satellites. This type of broadcast is typically offered by subscription-based services such as DirecTV or Dish Network.
Advantages of Broadcast Television
Broadcast television has several advantages over other types of television programming, including:
- It is free to view.
- It is broadcast in high definition.
- It is available in a wide variety of channels.
- It is available in both analog and digital formats.
Disadvantages of Broadcast Television
Broadcast television also has some drawbacks, including:
- It is subject to interference from other signals.
- It is limited in geographic scope.
- It is subject to weather-related disruptions.
- It can be difficult to access in some areas.
Broadcast television is a popular option for many viewers, offering a wide range of content in both analog and digital formats. However, it is important to be aware of its limitations in order to make the most of the viewing experience.