This chapter will cover the tricky subject of adding sounds to web page. Adding a background sound for MSIE is easy enough but there is no guarantee it will work in Netscape Navigator. And , visa versa. Here are the respective commands. Start with the embed tag as there is more chance it will work in both browsers and comes with more attributes.

<Bgsound src="filename.wav" loop="-1">

<embed autostart="true" src="filename.wav" loop="false" height="90" width="150" hidden="false" volume="100">

The effect

Bg sound is for MSIE. Embed is for NN.

Quite simple really. filename.wav is the name of your sound file. It can be a .wav , .midi , .au or any other format you may have. For msie -1 means repeat indefinitely. To have it repeat a certain number of times specify the number. loop='5'. For NN use either true or false. The height and width attributes specify the size of the control panel should you choose to embed one. Do not use the % sign in the volume="" as MSIE reads it a zero.

Sound Link

If you want a sound to offer a sound file for your visitors to download, you can use the <A href=""> tag. The file must be compressed. Here I have used the .zip format. Here is an example.

<A href="filename.zip">Click here to download sound file </a> File size 10kb

The effect

Click here to download sound file

To spice up the look of your page , place an <Img> tag between the opening and closing <A> tag to display an image instead of text.

Advanced

This section will teach you how to use Javascript to embed sounds inside links. You can have a sound play when your visitors pass their mouse over a link or image. The script is lengthy and difficult to comprehend. It comes courtesy of Macromedias Dreamweaver 3 and employs Java^TM as well as JavaScript. Its guaranteed to work in both major browsers. Remember to place the script between the opening and closing <Head> tags at the top of your page.

Script

<Script>
function MM_controlSound(x, _sndObj, sndFile) {
var i, method = "", sndObj = eval(_sndObj);
if (sndObj != null) {
if (navigator.appName == 'Netscape') method = "play";
else {
if (window.MM_WMP == null) {
window.MM_WMP = false;
for(i in sndObj) if (i == "ActiveMovie") {
window.MM_WMP = true; break;
} }
if (window.MM_WMP) method = "play";
else if (sndObj.FileName) method = "run";
} }
if (method) eval(_sndObj+"."+method+"()");
else window.location = sndFile;
}
</Script>

You must use the following html code between the opening and closing <body> tags.

<embed name='MM_playSound' src='filename.wav' loop=false autostart=false mastersound='mastersound' hidden=true volume=100 width=0 height=0></embed>

<a href="#" onmouseover="MM_controlSound('play', 'document.MM_playSound', 'filename.wav');">play</a>

The effect

play

Dont ask me to explain the script , because not even I understand it. What I can tell you , is the easiest way to employ this script is to copy and paste it into your html page. You need to change 'filename.wav' to your file name two times. Once in <A href=""> tag and once in the <embed> tag.

To add different sounds inside different links , you need to change in the <embed> tag

name='MM_playSound' to name='MM_playSound2'

and in the <A href=""> tag change

onmouseover="MM_controlSound('play', 'document.MM_playSound', 'filename.wav');"
to
onmouseover="MM_controlSound('play', 'document.MM_playSound2', 'filename.wav');"

Go ahead and record your own sounds to add to your page. Let me hear that riff again. Enjoy :-)

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