Audio/Visual is the utilization of both sound and sight, typically in the form of slides or video and recorded speech or music. It’s designed to aid in earning or teaching by making use of both hearing and sight. Audio-visual aids are used to enhance a presentation. They can be handouts, photos, whiteboard, flip chart, OHT, power point slideshow, microphone, and music.
In common usage, multimedia refers to an electronically delivered combination of media including video, still images, audio, and text in such a way that can be accessed interactively. Five of the components include Text Materials, Photographs and other still images, Audio Files, Video Presentation, GIFS and other forms of Animation. Some examples of multimedia are: Television, Radio, Internet, Film, Music, Game, Tutorials, Webinars, Podcasts, Social Media, and Entertainment.
Four Characteristics of Multimedia Systems are:
- They are integrated
- Multimedia Systems must be computer controlled
- The information they handle must be represented digitally
- The interface to the final user may permit interactivity
Green Screen Technology