A digital document comprising a multi-channel interface is provided that
achieves improved user interaction. The digital document includes a
plurality of content channels providing primary content continuously in a
looping manner and at least one supplementary channel on a single page.
The supplementary channel is configured to provide supplementary content
upon the occurrence of an event during playback of the document. Channel
content may include video, text, images, web page content and audio. The
media content can be managed in a spatial and temporal manner. In
addition to media content, a channel may contain interactive regions in
the form of hot spots and interactive mapping regions. An authoring tool
is also provided for generating a multi-channel interactive digital
document.