WHAT IS IPTV?

WHAT IS IPTV?


Introduction

IPTV stands for Internet Protocol Television. It is a system where television services or digital contents are provided or delivered over the internet by using Internet Protocol (IP).

Internet Protocol (IP) is in the form of packet which transfers information on the internet.

Internet protocol television is a new technique of providing television services. We are shifting from cables, satellites to internet modes. There were a traditional mode of broadcasting the content through cables or satellites. It is stream based technique which work completely over the internet. It stream the content or media continuously that a user can download the media immediately.

IPTV
IPTV

Internet Protocol Television services

Internet protocol television is a subscriber based telecommunication program which is not limited to only television. It provide media services to setup boxes and other online equipments. Services are categorized in to following:-

  • Live media/television – The shows with or without interactivity.
  • Time shifted television – In the time shifted television, the users can watch recent broadcast later. It replays the show. User can watch the show according to its convenience.
  • Video on demand (VOD) – It provides its VOD media from where user watch any movie or video.
  • TV on demand – the selected shows are recorded and viewed according to its user convenient.

How does Internet Protocol Television work?

Internet protocol television is as stream which provide services through the internet. It uses a transport protocol which is an IP protocol, which transport then content or video through the internet to the subscriber.

Whenever a subscriber or user clicks on any program or requests for video, the video are taken from the different sources or servers and split on to data packets and then sent through the internet. The sources from where videos are taken or video servers transmit programs through fiber-optic cable through internet then requests are out and videos are sent back.

IPTV architecture:

IPTV architecture are of 2 main types;

Centralized architecture

Disturbed architecture

Centralized architecture are mainly and simple to handle. All the media content are stored in the centralized networks, from where all content are transported. It does not require any distribution system.

Disturbed architecture delivers multimedia content. Therefore, it requires an intelligent and effective distribution system. It has bandwidth advantages which is essential for maintaining large server networks.

Conclusion

Internet protocol television has its central unit. The broadcast content from the satellites are received by the central unit. It encrypts and encodes the content in the form of IP and then delivered the content. It contains all video on demand, time shifting, and Live-TV streaming streams. The subscriber receive the signal through any internet connection. At the end, the specific set up box of the subscriber decodes and decrypts the content for displaying it on the TV screen.