【摘要】 <正>多媒休系统中通常包括各种媒休类型,例如,文本、语音、图象、音频和视频。保持和维护各种媒对象的同步关系是多媒体技术的一个重要研究领更多还原

【Abstract】 In this paper, we birefly introduce various Petri net models of multimedia synchronization, including OCPN,XOCPN,DTPN. We propose a new multimedia synchronization model .called IMPSM. IMPSM is a synchronization presentation model based on Petri-Nets. It can be used to handle interactive presentation of multimedia objects, supports a wide range of temporal synchronization specification,including determinate and indeterminate temporal scenario.更多还原