| 属性 |
取值 |
默认值 |
| voice-volume |
| | silent | x-soft | soft | medium | loud | x-loud | inherit |
medium |
| voice-balance |
| left | center | right | leftwards | rightwards | inherit |
center |
| speak |
none | normal | spell-out | digits | literal-punctuation | no-punctuation | inherit |
normal |
| pause-before, pause-after |
|
implementation dependent |
| pause |
[ <'pause-before'> || <'pause-after'> ] | inherit |
implementation dependent |
| rest-before, rest-after |
|
implementation dependent |
| rest |
[ <'rest-before'> || <'rest-after'> ] | inherit |
implementation dependent |
| cue-before, cue-after |
[ | | silent | x-soft | soft | medium | loud | x-loud] | none | inherit |
none |
| cue |
[ <'cue-before'> || <'cue-after'> ] | inherit |
not defined for shorthand properties |
| mark-before, mark-after |
|
none |
| mark |
[ <'mark-before'> || <'mark-after'> ] |
not defined for shorthand properties |
| voice-family |
[[ | [] ] [],]* [ | [] ] [] | inherit |
implementation dependent |
| voice-rate |
| x-slow | slow | medium | fast | x-fast | inherit |
implementation dependent |
| voice-pitch |
| | x-low | low | medium | high | x-high | inherit |
medium |
| voice-pitch-range |
| x-low | low | medium | high | x-high | inherit |
implementation dependent |
| voice-stress |
strong | moderate | none | reduced | inherit |
moderate |
| voice-duration |
|
implementation dependent |
| phonemes |
|
implementation dependent |