Types of Broadcasting

Study Notes

Broadcasting refers to the transmission of audio or video content to a large audience through electronic media, such as radio, television, or internet.
Types of broadcasting:
- Radio broadcasting: transmission of audio content through radio waves.
- Television broadcasting: transmission of video and audio content through television signals.
- Internet broadcasting: transmission of audio and video content through the internet.
- Satellite broadcasting: transmission of audio and video content through satellites.

1890s: Invention of radio by Guglielmo Marconi, leading to the development of radio broadcasting.
1920s: First commercial radio stations established in the United States.
1940s: Television broadcasting begins, with the first regular TV broadcasts in the United States.
1990s: Internet broadcasting emerges, with the development of online radio and TV stations.

Frequency: the number of oscillations or cycles of a wave per second, measured in Hertz (Hz).
Bandwidth: the range of frequencies used to transmit a signal.
Modulation: the process of modifying a carrier wave to encode information.
Demodulation: the process of extracting the original information from a modulated signal.

Analog broadcasting: uses analog signals to transmit audio and video content.
Digital broadcasting: uses digital signals to transmit audio and video content, offering higher quality and more efficient transmission.
Terrestrial broadcasting: uses terrestrial transmitters to broadcast signals to a specific geographic area.
Cable broadcasting: uses cable networks to distribute audio and video content to subscribers.

Federal Communications Commission (FCC) in the United States regulates broadcasting to ensure fairness, equality, and public interest.
Licensing: broadcasters must obtain licenses to operate, which involves meeting certain criteria and adhering to regulations.
Content regulation: broadcasting content is regulated to ensure compliance with standards and guidelines.

Broadcasting is the transmission of audio or video content to a large audience through electronic media.
Types of broadcasting include radio, television, internet, and satellite broadcasting.

Guglielmo Marconi invented radio in the 1890s, leading to the development of radio broadcasting.
The first commercial radio stations were established in the United States in the 1920s.
Television broadcasting began in the 1940s, with the first regular TV broadcasts in the United States.
Internet broadcasting emerged in the 1990s, with the development of online radio and TV stations.

Frequency is the number of oscillations or cycles of a wave per second, measured in Hertz (Hz).
Bandwidth is the range of frequencies used to transmit a signal.
Modulation is the process of modifying a carrier wave to encode information.
Demodulation is the process of extracting the original information from a modulated signal.

Analog broadcasting uses analog signals to transmit audio and video content.
Digital broadcasting uses digital signals to transmit audio and video content, offering higher quality and more efficient transmission.
Terrestrial broadcasting uses terrestrial transmitters to broadcast signals to a specific geographic area.
Cable broadcasting uses cable networks to distribute audio and video content to subscribers.

The Federal Communications Commission (FCC) regulates broadcasting in the United States to ensure fairness, equality, and public interest.
Broadcasters must obtain licenses to operate, which involves meeting certain criteria and adhering to regulations.
Broadcasting content is regulated to ensure compliance with standards and guidelines.