multiple context
5.The 11th biennial European Association for Research on Learning and Instruction was held in Nicosia,Cyprus on August 23-27th in 2005.The theme of this conference,integrating multiple perspectives on effective learning environment,underlines two aspects of great relevance in current educational research: the need to reflect on different approaches to enhancing our knowledge of learning processes and the role of context,designed or circumstantial,in learning and instruction.
6.The Codec uses context-switching technique and supports simultaneous encoding of multiple channels. In a PC with Intel Pentium 4 CPU and 256M SDRAM, the single-channel encoding speed is above 40f/s for QCIF sequences and 10f/s for CIF sequences.

