Types of Telecasting

 

Types of Telecasting

Introduction

Telecasting refers to the transmission of television programs to audiences through different broadcasting methods. Over time, the technology and platforms for telecasting have evolved, allowing viewers to access content on TV sets, mobile phones, and computers.

1. Terrestrial Telecasting

This is the traditional form of broadcasting, where TV signals are transmitted through radio waves using land-based antennas.
Example: Doordarshan, India’s national broadcaster, uses terrestrial telecasting to reach viewers in rural and remote areas.
Features:

• Limited channel availability
• Free-to-air access
• Coverage depends on signal strength and geography

2. Satellite Telecasting

In satellite telecasting, signals are sent from the broadcast center to communication satellites and then received by household satellite dishes.
Example: Channels like Star Plus and Sony TV use this method.
Features:

• High-quality picture and sound
• Access to multiple channels globally
• Requires set-top boxes and dish antennas

3. Cable Telecasting

Cable networks deliver multiple channels to viewers through wired connections. It became popular in the 1990s and still serves many urban homes.
Features:

• Wide channel variety
• Local advertisements and regional channels

4. Digital and Internet Telecasting

With the rise of the internet, many broadcasters now stream programs online through platforms like Hotstar, Netflix, and YouTube.
Features:

• On-demand viewing
• Interactive and portable

Different telecasting types have made television accessible to diverse audiences — from villages using antennas to city dwellers streaming content online.