Many sites enhance their Web Pages with images, audio and video. Some say that this makes them more attractive and more entertaining. HTML permits you to add these items to your Web Page. Various techniques and ways of doing these things are found in the Pertinent Links section below. When you add do-dads to your Web Page, try to remember that many folks do not have new browsers or some of the programs required to play audio and video. Also, multimedia files, especially video, are very large. A seven-second video clip may take several minutes to download over a modem. Not everyone has DSL or cable Internet service. If you feel it is really that important to incorporate audio or video clips, try to keep them short, sweet and small so that their long loading times do not detract from the overall effect you want on the Web Page.
As an example, here is a picture of the Tacoma Narrows Bridge that was built across Puget Sound in Washington. The design was very flawed and it collapsed after being subjected to strong winds. Here are video clips in mpg and avi formats.
Be cautious when downloading materials of this nature (images, audio, video) from the Internet, especially if you plan to use them on a Web Page that is placed on the Web. Be sure to read and understand the Terms or Conditions of Use that each site has for their material. Assume that the material is copyright protected and that you do not have permission to use it unless the website expressly says otherwise. If you are in doubt, send an email to the owner of the material and ask their permission to use it.
There are tons of sites out there offering all sorts of multimedia stuff for money. In preparing the list below, I tried to stick to those that are free or low-cost, as much as possible.
A number of tutorials are put out by Jupiter Images on a website called htmlgoodies.com. Here are a few of them.
Take the quiz for this unit.
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