What is IPTV
IPTV is a successor of CATV, DTV and analog TV broadcast technologies. IPTV or Internet Protocol Television belongs to the broad variety of services delivered over IP networks. IPTV systems are used in hotels, households and by ISP or Telcos to provide convenient access to Live TV and Video-on-Demand services using Ethernet, ADSL, VDSL or even wireless connection.
Benefits of IPTV
IPTV technology allows flawless delivery of high-quality video streams to subscribers. This is achieved by using reliable network protocols and effective image compression algorithms. IPTV does not require special hardware or cables, it only needs regular IP network and a couple of servers. At the same time, IPTV offers a lot of additional services that generate more income for providers. Also, IPTV is very flexible about what type of content can be streamed and how it is delivered. Archived TV programs, time-shifted broadcast and on-demand videos are just small list of content and services offered by IPTV. Both server and client sides of IPTV solution are running on popular operating systems and can be improved at any time by simply modifying the software code.
Whole new level of interactivity
IPTV use IP networks, the home of interactive multimedia. Traditional analog TV or even digital CATV technology can only dream of interactivity offered by IPTV. IPTV allows subscribers to be more flexible about what, how and when they watch. IPTV providers benefit from such interactivity because now they can offer the service which fully meet the expectations of their subscribers.
A more deep insight into IPTV technologies
IPTV uses a suite of programs, protocols and standards to provide good quality and ensure reliable transmission of content. The core technology that is used by IPTV is MPEG image compression. MPEG is a set of standards describing variety of encoding profiles. Each profile is adjusted for different cases so that it is always possible to find a fine proportion of quality and consumed bandwidth. Various streaming protocols like RTP, RTSP and HLS are used to ensure flawless transmission of video streams. Since encoding profiles and streaming protocols are well defined by standards it is possible to mix equipment and software from different vendors on both server and client sides.
Examples of IPTV solutions
Usually deployed by ISP or Telco in their existing IP network. IPTV nicely adds up to telephony and Internet access services. Combined together they create Triple Play service delivered in the most convenient way. One broadband cable is used for Telephony, Television and Internet.
Television in hotels is very demanded among guests and they want it to be both interactive and integrated. IPTV provides interactive multimedia content demanded by guests and can be integrated with other services. For example, IPTV combined with Property Management System makes it easy for guests to manage their stay and for hotel administration to control the property.
People on board the vessels got a lot of time to enjoy interactive entertainment offered by IPTV system. A collection of Video-on-Demand movies, satellite TV programs and Radio stations will entertain crew and passengers during the journey. IPTV for maritime is designed to suit the specifics of signal receiving on a moving vessel and to achieve high standards of availability to ensure that no failure will leave people on board without their favorite TV shows and movies.
OTT is more global technology than IPTV which use protocols that are suitable for local networks. OTT can stream videos over the Internet by using top layers of OSI model for streaming. OTT is a flexible technology suitable for streaming video content from any part of the world to many devices like smartphones, tablets, laptops, set-top-boxes or SMART TVs connected to Internet.