This paper presents an XML format for embedded interactive audio, deriving from well-established formats like iXMF and SMIL. We introduce in this format a new paradigm for audio elements and animations synchronization, using a flexible event-driven system in conjunction with graph description capabilities to replace audio scripting. The concepts of this new format are explained through the building of a virtual interactive jungle environment. Then we have implemented a sound manager for J2ME smartphones and the iPhone. Guidance applications for blind people based on this audio system are being developed.
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