Basic audio tools are used to manipulate audio recordings and save audio files.  These are usually mp3 files and basically they can be played on a range of devices like ipods, computers, mp3 players and are a good way to present information.  Many different tools are available but Audacity is a good option and it is free.

There are also some tutorial attached to this site to help you to use the software more effectively.  The tutorials will allow you to learn the ins and outs of working with this software