Based On The Net Streaming Media Courseware Management And Teaching System

With the development of computer network, especially of Internet, its field in application becomes more and more widely, such that the modern distance education is a classic sample. The modern distance education is named network education as well, which is teaching on the Internet by means of Internet as tools and media. The modern distance education have provided the best advantaged merit for breaking out the limitation on time and space of traditional education to share excellent educational resource. The development of technology on Internet, such as network transformation, web and stream media, not only transfers the static information as files or images, but also distributes to the audio and video on network. Above all, teachers and students will teach on network even at different space at the same time as in a classroom.Network becomes more and more favorable with its rich information resource, friendly interactive performance and excellent opening; modern education has focused on the distance education on network. At present, bandwidth and speed on network are relative low, which transfer the multimedia containing much information of audio and video, so there are many problems. It is a better advanced technology that the stream media technology transfers the multimedia at present, and it comes true that teaching on network is possible. Network education teaching on Internet divides into synchronous and asynchronous teaching two classes. The synchronous teaching transfers the multimedia classroom's scene and teacher's media in teaching with DDN /ADSL /ATM and sky satellite to distance classroom at Real-time by Internet audio and video technology so that the teacher questions their students and their students ask the question as well or the students consult their teacher, which realizes the similar teaching at a classroom. The courseware on demand (COD) is a important study method in asynchronous teaching, that the courseware was stored in the computer server, the student demand the courseware according to their plan to self-study, accompanying that the teachers answer the students'question on Internet, BBS at the same time, which complete the asynchronous teaching.