The volume property is used only in Aural Stylesheets.
The aural rendering of a document combines sounds and voices to go through the content of a document. Aural presentation occurs often by converting the document to plain text and then feeding this to a screen reader.
Situations and markets for listening to information could be:
The volume property specifies the volume of the speaking voice. User agents should allow the volume to be changed by the listener.
|number||A number between 0 and 100. 0 represents the lowest possible volume and 100 represents the maximum volume|
|%||A % calculated relative to the inherited value|
|silent||No sound at all. Note: silent is not the same as 0|
|x-soft||Same as 0|
|soft||Same as 25|
|medium||Same as 50|
|loud||Same as 75|
|x-loud||Same as 100|