| 屬性 | 描述 | 值 | W3C |
|---|
| azimuth | Sets where the sound/voices should come from (horizontally) | - angle
- left-side
- far-left
- left
- center-left
- center
- center-right
- right
- far-right
- right-side
- behind
- leftwards
- rightwards
| 2 |
| cue | A shorthand property for setting the cue-before and cue-after properties in one declaration | | 2 |
| cue-after | Specifies a sound to be played after speaking an element's content to delimit it from other | | 2 |
| cue-before | Specifies a sound to be played before speaking an element's content to delimit it from other | | 2 |
| elevation | Sets where the sound/voices should come from (vertically) | - angle
- below
- level
- above
- higher
- lower
| 2 |
| pause | A shorthand property for setting the pause-before and pause-after properties in one declaration | | 2 |
| pause-after | Specifies a pause after speaking an element's content | | 2 |
| pause-before | Specifies a pause before speaking an element's content | | 2 |
| pitch | Specifies the speaking voice | - frequency
- x-low
- low
- medium
- high
- x-high
| 2 |
| pitch-range | Specifies the variation in the speaking voice. (Monotone voice or animated voice?) | | 2 |
| play-during | Specifies a sound to be played while speaking an element's content | | 2 |
| richness | Specifies the richness in the speaking voice. (Rich voice or thin voice?) | | 2 |
| speak | Specifies whether content will render aurally | | 2 |
| speak-header | Specifies how to handle table headers. Should the headers be spoken before every cell, or only before a cell with a different header than the previous cell | | 2 |
| speak-numeral | Specifies how to speak numbers | | 2 |
| speak-punctuation | Specifies how to speak punctuation characters | | 2 |
| speech-rate | Specifies the speed of the speaking | - number
- x-slow
- slow
- medium
- fast
- x-fast
- faster
- slower
| 2 |
| stress | Specifies the "stress" in the speaking voice | | 2 |
| voice-family | A prioritized list of voice family names that contain specific voices | - specific-voice
- generic-voice
| 2 |
| volume | Specifies the volume of the speaking | - number
- %
- silent
- x-soft
- soft
- medium
- loud
- x-loud
| 2 |