Bandwidth Explained

The term 'bandwidth' refers to the amount of information or data that can be sent over a network connection in a given period of time.

In terms of broadcasting audio or video online, we talk about the total amount of data you will transfer in a period of one month.

The figure is calculated by taking the quality of your broadcast..

The quality of your broadcast is measured in kbps (kilobits per second) - the higher the kbps then the higher the quality and the more bandwidth used.

... and multiplying it by the length of each broadcast in seconds...

This would give us the total bandwidth used if just one person watched or listened to your entire broadcast from beginning to end.

... then multiplying the result by the total number of viewers or listeners you expect...

So we now have a figure for the bandwidth used for all your viewers watching just the one broadcast

And finally multiplying that result by the number of times you intend to broadcast each month.

We then arrive at the final figure for the amount of kilobits of data you are likely to transfer.

This figure is in kilobits because our starting point - the quality of your broadcast - was in kilobits per second

Because of all the multiplication involved we now have a very large figure. To make it more readable we convert it first to megabits by diving it by 1024 because there are 1024 kilobits in a single megabit.

We would still have a pretty large number, so we divide it by 1024 yet again to get the final figure for data used displayed in Gigabits.

Now try our Bandwidth Calculator to see how much data your planned broadcast might use in any given month.

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