There are a variety of ways to enhance a Web page with images, audio, video, and interactive or dynamic elements. By enhance we mean make a Web page more valuable and useful to our prospective readers. It is important to remember that adding elements to a Web page may in fact detract from the overall experience. Images, animations, audio, and video can enhance a Web site if they're used appropriately. Think about the person who will be viewing or accessing the Web page, and use these elements with the goal of providing a richer experience.
Audio information is stored in one of several different file types.
Each represents a different compression or playback scheme. Some file types need to be downloaded completely before they can be played. Streaming file types and some others require that a plug-in be loaded first, before the file may be played. Plug-ins for popular file types are readily available, but needing one increases the amount of time before the file is played. There are two choices for giving access to audio on a Web site.