HTML CSS Reference/HTML Attributes Reference/volume
"volume" Example
<HTML>
<head>
<bgsound src="yoursoundfile.wav" balance="0" loop="1" volume="-500">
</head>
<BODY>
</BODY>
</HTML>
volume is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<bgsound> |
+----------------+--------------------------------------------------------------+
"volume" Syntax and Note
Note:
This attribute indicates the sound clip volume.
Its value is an integer from -10,000 to 0.
A larger value plays the sound clip louder (for example, -500 is louder than -10,000).
Syntax:
<bgsound volume="value">