XSL-FO elevation Property
Definition and Usage
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:
- for blind people
- in the car
- help users learning to read
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.
Details
- Inherited: yes
- Percentages: N/A
- Media: aural
Property Values
| Value |
Description |
| angle |
A fixed value within the range -90deg to 90deg.
- 0deg means in level with the listener
- 90deg means above
- -90deg means below
|
| below |
-90deg |
| level |
Default. 0deg |
| above |
90deg |
| higher |
Current elevation + 10deg |
| lower |
Currents elevation - 10deg |
| 
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