Explained
What is IPTV, and how does it work?
A plain explanation of internet protocol television: what it is, how it differs from cable and satellite, and what you actually need to use it.
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The short definition
IPTV stands for internet protocol television. It means television delivered over an internet connection rather than through a coaxial cable from a cable company or a dish on the roof. The programming itself is the same kind of content; what changes is the road it travels down.
If you have ever watched a broadcaster catch-up app on a smart television, you have already used the same underlying technology. An IPTV subscription simply applies it to a full channel list with a programme guide, rather than to one broadcaster at a time.
How the picture reaches your screen
A stream is sent from a server over the public internet to your home connection, in small pieces, as you watch. Your player keeps a short buffer of the next few seconds so that a brief dip in connection speed does not interrupt the picture.
That buffer is why streaming can stall: if your connection cannot refill it as fast as the player empties it, playback pauses to wait. It is also why connection stability matters as much as headline speed. A steady 20 Mbps is more useful for television than a connection that peaks at 200 Mbps but drops out every few minutes.
How it differs from cable and satellite
Cable and satellite send every channel to every household continuously, and your box picks out the one you are watching. IPTV sends only the channel you asked for, at the moment you ask for it. This has three practical consequences.
- There is no dish, no engineer visit and no dedicated cable into the property.
- Each screen watching at the same time uses its own share of your bandwidth, which is why subscriptions are priced by simultaneous connections.
- Your viewing quality depends on your own broadband, not on a shared broadcast signal.
What you need to use it
Three things: a reasonable internet connection, a device that can run a compatible player application, and a subscription that supplies the details the player needs.
A Sonix IPTV subscription is used through a compatible IPTV player application on your own device. Support for a particular player depends on your device model and its app store, so confirm your setup with our team before you subscribe.
Terms you will come across
A few words appear constantly in this area and are rarely explained.
Playlist
The file or address that tells your player which channels exist and where to find each one. It is what you enter when you first set the player up.
EPG
The electronic programme guide: the grid showing what is on now and what is scheduled next, channel by channel.
Connection
One stream playing at one time. Two televisions showing different channels simultaneously are two connections, even in the same house.
Catch-up
The ability to go back to a programme that has already been broadcast. It depends on the individual channel rather than the subscription.
Where to go next
If the technology now makes sense, the practical questions are what to check before you subscribe and which devices work.
Ready to explore Sonix IPTV?
Browse the available subscription options, or message our team for help choosing a plan and setting up your device.