This video series is a step-by-step introduction to accessing the audio editing software Reaper. We recommend you watch it and edit a piece alongside so that you are practically following the instructions.
The guide for setting up Reaper can be found here
It is also a good idea to make sure all your speech clips are the same volume. To do this, you need to click on each clip individually so it’s highlighted, then click and hold down the following keys together in this order – Control>shift>n
Once you’ve finished editing your radio piece you need to render it into a single .wav file that you can then use in a bulletin or submit for assessment.