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Chapter 9Multimedia: The source Element

Up until this chapter, we've discussed using the audio and video elements with a single src attribute. You may have noticed that this only works part of the time, in some browsers, depending on the format of your file. For true, cross-browser multimedia that works across browsers, you'll need to use multiple source elements, and multiple source files.

We'll use video elements for the examples in this chapter, but most of what we'll discuss also applies to the audio element. In order to serve multiple sources, you'll need to have your media available in multiple formats. Refer to Chapter 6 for a couple of ways to do this.

The source Element

The source element lets us specify multiple, alternative media files ...