Abstract:

Multimedia recording and editing systems, aiming to the features of multimedia teaching video production and editing, with the VC platform, adopt DirectShow architecture, rational use of streaming media editing and broadcasting technology, and provide a series of applications and platforms of teaching courseware recording, courseware broadcasting, courseware editing. The system realizes the multistream integrated of the video stream, the screen flow, voice stream, and can add subtitles, background music. The systemgenerated teaching video courseware is an important resource for distance education, it has extensive application prospects in distance education and daily work of teaching^［1］.

Key words: DirectShow technology, courseware recording, courseware playing, courseware edit, add subtitles