Links with Sound and Image

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One of the attractions of the WWW was the use of images and sound to add to the already widely used communication via text. In terms of the space they require and the time they take to download both images and sound can truly be said to worth 1000 words. Indeed 1000 words in a text file might occupy 10Kb while a small image in a gif file can take up many more Kilobytes or even Megabytes. Sound of any length takes up even more room, so that a CD quality 3 minute song could use upto 40 Mb of disk space

You will find a directory "gifs" containing a number of image or gif files with these HTML lessons.

Inline images become part of the document and use the tag <img> which has a number of attributes including "align", "src", "ismap" and "alt"

You can use your Document Source function in the View menu to look at the source of this HTML document

Make a new document in your word processor and type the following

Save this document as a text file "inline.htm" and put it in the directory "gifs". Then open it with Netscape and try it out.

Now do the same with this marked up text

Save the document as a text file "sounds.htm" in the directory "sounds" and open it with the browser.

You may have to set the browser preferences for the sound as there are a number of Helper Applications the browser calls on to play the sound. Mine uses SoundMachine and is set like this

Helper applications also need to be set for QuickTime and AVI movies for links to video files that can also be incorporated into WWW documents.

Inline Images

Gif format images dont require an external viewer but can be read by the browser itself. They can be incorporated directly into the web page although they remain a separate file.


Look at these examples of Images
  1. Images 1
  2. Images 2
  3. Aligning Images
  4. Sounds

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