TV gateway


TV gateway (also referred to as a TV tuner) is a television broadcasting network that is broadcasting (DVB) MPEG transport streams (channels) from terrestrial aerials, satellite dishes, or cable feeds and converts them into IP streams For distribution over an IP network .

TV networks, including tablets, smartphones, computers, gaming consoles and s mart TVs . They also allow multiple users to watch and record different channels at the same time. [1]

The channel is a multi-platform, multi-screen television with HD channels .

Digital TV signals used in TV gateways

Most TV gateways support to the air (FTA) television services found in many countries. These include services Such As Freeview and Freesat in the United Kingdom, [2] TNT in France and TDT in Spain, and basic cable packages in Germany, Switzerland, Austria, and others.

A few TV gateways aussi supporting third party c onditional access modules (CAMs) for premium pay TV channels, qui are Transmitted by using a CI CAM card provided by the broadcasters or by third party manufacturers to Access Their TV service.

Source Europe USA Japan / Latin America
Terrestrial / Aerial DVB-T , DVB-T2 ATSC ISDB-T
Satellite DVB-S , DVB-S2 DVB-S , DVB-S2 ISDB-S
Cable DVB-C , DVB-C2 ATSC , Clear QAM ISDB-C

Uses

While Many first-generation media gateways only one TV channel or a limited number of channels, modern TV Gateways Provide multiple TV tuners That process can Several channels simultaneously. The more channels a TV gateway provides the most time users. Modern TV aussi gateways allow users to record TV programs to a USB flash drive, or external hard disk and In Some cases, shared folders or network attached storage (NAS). [3]

Electronic program guide

An electronic program guide (EPG) is a traditional TV listing listing but a television service like aerial, satellite or cable. It allows you to view and watch what you want to watch. EPG’s also allow users to set reminders and record shows automatically. [4]

Most TV gateways with PVR functionality offer EPG data. This can be done from the broadcaster TV stream (according to standard DVB EN 300 468 and technical specification TS 101 211) or via EPG provider. [5]

Whole house DVR

Whole house HD- digital video recorder allows users to record programs on a centralized TV gateway DVR and then watch them on any device connected to their home network. [6]

HD-DVR, HDTV, HDTV, HDTV, HDTV, HDTV.

Whole house DVR TV gateways [6]

  • Attached USB storage Such As removable HDD or USB flash drives
  • Network Windows shared folder
  • Network attached storage (NAS)

Streaming protocols

Unicast (HTTP) protocols are mainly used in consumer grade TV channels to provide a small number of simultaneous users with the flexibility to view multiple channels.

Multicast (UDP), is mainly used in professional-grade TV gateways to enable efficient broadcast of a preset number of channels to a large number of simultaneous viewers. Multicast TV gateways are used by IPTVbroadcasters, hotels, hospitals, and digital signage applications.

Discovery protocols

Universal Plug and Play (UPnP) is a set of networking protocols That allowded network devices, to seamlessly discover Each Other’s presence on the network and suit les functional network services for data sharing, communications, and entertainment.

M3U – The m3u8 file format is a de facto standard playlist. Advanced TV gateways use M3U in addition to UPnP to offer better application support, allowing for faster channel zapping and provide a preset channel list.

References

  1. Jump up^ Reuters Editorial (18 February 2014). “VBox Unveils V @ Home TV Gateway DVR – Watch Live TV: When, Where, What and How You Want It!” . Reuters .
  2. Jump up^ Jack Schofield. “Freeview or Freesat: which to choose?” . The Guardian .
  3. Jump up^ “VBox XTi 3340 review: TV gateway device lets you watch all of your TV, all over the house – PC Advisor” .
  4. Jump up^ “BBC – BBC Help Plus” .
  5. Jump up^ “cherryEPG – open source dvb epg generator” .
  6. ^ Jump up to:b “Frequently Asked Questions (FAQs)” .

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