On top of this, calculating how big a certain piece of video will be when encoded and compressed on a computer is already an inexact science. To work out how much bandwidth it really uses, we took a sample of five different programmes that were recently broadcast on BBC channels. We tried to get a variety of different shows as the particular characteristics of each TV show will result in slightly different file sizes.
We then shut down all web services apart from iPlayer and used a bandwidth monitoring programme to see how much data each programme took. We repeated the results later using the HD version of the streams. Having done all this, we collated the results and, using the broadcast length of each show, calculated a bandwidth rate for each in MB per hour. So now the table below displays how much bandwidth each show will take per hour of streaming as well as the average.
This is quite high so definitely keep an eye out if you have any monthly bandwidth limit and especially if you tether your phone to stream TV using a PC or laptop. The HD-quality stream may look fantastic but they use almost twice as much data. Contact us. Browse our help categories Getting Started. About BBC iPlayer and our policies. Getting started with BBC iPlayer. Parental controls. Signing in. Recent changes to iPlayer.
Watching outside the UK. Resolving Issues. Mobile and tablet issues. Playback issues. Smart TV and games console issues. Downloading will use about MB per item, depending on the file size. Always overestimate, just to be on the safe side. How much data do you really need? April 5, Share this story. Data Tech Useful Info. Similar stuff.
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