The elevation 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:
Azimuth and elevation are important properties for aural presentation. These properties are used to keep several voices apart. In real life, all the people do not stand in the same spot in a room.
The elevation property specifies if the sound should come from above, below or in level with the listener.
| Value | Description |
|---|---|
| angle | A fixed value within the range -90deg to 90deg.
|
| below | -90deg |
| level | Default. 0deg |
| above | 90deg |
| higher | Current elevation + 10deg |
| lower | Currents elevation - 10deg |
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