In recent years, the advanced remote lecture support using the computer network attracts attention. The remote education of various forms is actually tried in some educational facilities. As part of the remote lecture support system, we have developed the asynchronous participation type virtual classroom environment AVC3. However, as for the study under asynchronous environment, the frequency of interaction between students also falls, and the cooperative study effect also de dines comparatively. Then, the synchronous state mixture environment which took in the concept the synchronization and half synchronous realizes more practical cooperation study environment. in actual environment The synchronous state mixture environment which we aim at is described, and this paper aims at construction of new virtual classroom environment.
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