You must have an appropriate video player installed on the hard drive of your computer to play the file. Audio clips can add a dynamic dimension to your online course material. But, it is advisable that you only use them when the content calls for it. Too often the decision to use media clips is made based upon it being the 'cool' thing to do rather than the appropriate thing to do. Considering the degree of work involved with producing media clips for Web delivery and the limitations of that delivery due to the lack of universal broadband Internet access, a well thought out approach to media clip use is recommended.
Video can be the one of the most effective mediums.
It combines image, sound, and motion. But, there are some problems in using video in your course site. Developing video is expensive. Developing a video concept to be used in a course, creating a storyboard, and shooting the video can take time and a team of professionals to create it. The Internet has its limitations, often called bandwidth issues, where video delivery is concerned.