Because sound is practically all around us, it is almost unnatural when we go to interactive places on the web for them not to have sound. This is not to say that in certain cases, adding sound can be both intrusive and obnoxious, but when it is done well, sound can add to the experience a user gets when viewing your work.
A great example of well-thought-out audio for a site is a site designed to teach young children about different animals in their various environments. For instance, if they were learning about animals in the rain forest, some subtle noises in the background would add a great deal of immersion to the learning environment.
As you go through this section, you will learn how to add sound to your movie, as well as some ways in which to manipulate it within Flash. As you are building your own projects, you will have to decide when and where sounds will be appropriate, but here are a few good general rules:
Some great places to find free sounds are
And to find some free or almost-free software to work with sound, try here: