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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
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As long as you have enough bandwidth (
▲As long as you have enough bandwidth (ie your line is fast enough), we'd expect our customers to be able to stream Ultra High Definition (UHD) 4K video, even at peak time.
=More Information=
==About UHD 4K video streaming==
Many people enjoy watching movies and shows through online streaming services such as Netflix, YouTube, Amazon, Vimeo, BBC iPlayer, iTunes etc. There are lots of services to choose from and most charge a monthly subscription, usually offering their
[[File:4KUHD.png|300px|thumb|none]]
Typically, 4K UHD video has a resolution of 3840x2160
Different content providers will have their own requirements
Typically, UHD 4K video will require a minimum of
During the 2018 football World Cup, the [https://www.bbc.co.uk/news/technology-44308154 BBC suggested] that 40Mbit/s speed was required for their 4K streams at 50 frames per second.
==Congestion==
Our aim is not to be the bottleneck, that means that the various interconnects we have between our DSL providers (
This means, that when our customers need to download at the full speed of their line that we would expect that to be possible even at the busiest time of the day or week.
Congestion == Low quality streaming
Congestion can occur in various places along the route from your
==What to do if you have problems==
Here is a list of things to check and investigate if you do have problems streaming at high resolutions.
===Check your TV hardware
*Can your TV actually play UHD 4K content?
*
*If you can play UHD 4K then there is probably not a problem with your TV hardware
*If you can't then check the
**HDMI input (not all HDMI inputs on a 4K TV will accept UHD 4K video)
**Use a wired ethernet connection instead of WiFi
**Try a different player -
===Check your internet connection
Check the speed of your line:
*Look on the Control Pages for the 'Rate' of your line:
**[[File:Control-pages-rate.png|500px|thumb|none|Rate is the download speed of your line]]
**You
*Check our CQM graphs on the control pages:
**Your graph should look nice
**[[File:Cqm-4k.png|700px|thumb|none|Streaming 4k shown on the CQM graphs]]
**Our Support staff can help you understand your graph, do get in touch
===Use a wired connection rather than WiFI===
*Even if you have good WiFi signal, there could be congestion if you have lots of neighbours in your area also using WiFi
*Use a cable instead of Wifi
*Try to use a 5Ghz WiFi band if possible
*At least try a cable temporarily to check
===Try speed test sites to check your connection===
*You'll be wanting to see about
**http://speedtest2.aa.net.uk (the A&A tester)
**http://fast.com (Netflix's speed test)
===Are other people using the broadband line?===
*If other people are downloading or streaming at the same time then the total bandwidth used by everybody may be enough to fill your line and prevent higher quality streams being viewed.
*Our CQM graphs will show the usage on your line, so you can tell if the link is being filled by other things.
===Still having problems?===
[[Category:Technical Documents]]
[[Category:Slow ADSL]]
[[Category:FTTC Faults]]
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