GPAC是LASeR的实现，LASeR是MPEG制定的应用场景描述的标准，在未来手机的富媒体上，拥有相当的前景，有手机上flash之说。-GPAC is the realization of LASER, LASeR is to develop the application of MPEG standard scene descr iption, in the future of rich media on mobile phones, with considerable prospects,