To be convincing and natural, interactive graphics applications must correctly synchronize user motion with rendered graphics and sound output. We present a solution to the synchronization problem that is based on optimal estimation methods and fixed-lag dataflow techniques. A method for discovering and correcting prediction errors using a generalized likelihood approach is also presented. And finally, Music World, a simulated environment employing these ideas, is described.
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Friedmann et al. (1992) studied this question.