Streaming audio software program enable user to broadcast network video for web live broadcasting which is widely used in singing party, wedding scene, night show and news spot. Videos broadcaster supports hardware output like audio adapter and VGA signal or SDI signal through SDI adapter. Digital video broadcaster tool provides windows-based soft workstation for editing, recording and broadcasting videos or movies. Network video recorder featured with flying subtitle by superposition to achieve fantastic real-time video by applying various 2D and 3D changing effects. Web live broadcasting software is featured with special effect switching unit, subtitler, video recorders, network or simple hard disk broadcaster and linear editing system. Streaming audio recorder supports real-time subtitle, banner and animated picture superposition.