| Property | Description | Possible Values | Examples |
|---|---|---|---|
| azimuth | Declares the angle that sound travels to the listener. | Angle values in degrees (deg), or one of the following predefined values: left-side | div { azimuth:90deg; } div { azimuth:behind; } |
| cue-after | Declares an audio cue to play after an element. | URL values and the predefined valuenone. | div { cue-after:url(sound.wav); } div { cue-after:none; } |
| cue-before | Declares an audio cue to play before an element. | URL values and the predefined valuenone. | div { cue-before:url(sound.wav); } div { cue-before:none; } |
| cue | Shorthand proerty to set both cue values at once. | URL values and the predefined valuenone. Separate the values by a space in the following order: cue-before If only one cue value is declared, it is used for both before and after. | div { cue:url(sound.wav) url(sound2.wav); } div { cue:url(sound.wav); } |
| elevation | Declares the elevation of a sound. | Angle values in degrees (deg), or one of the following predefined values: below | div { elevation:30deg; } div { elevation:higher; } |
| pause-after | Declares the amount of time to pause after an element. | Time in milliseconds (ms) or percentages. | div { pause-after:100ms; } div { pause-after:20%; } |
| pause-before | Declares the amount of time to pause before an element. | Time in milliseconds (ms) or percentages. | div { pause-before:100ms; } div { pause-before:20%; } |
| pause | Shorthand proerty to set both pause values at once. | Separate the values by a space in the following order: pause-before If only one pause value is declared, it is used for both before and after. | div { pause:200ms 100ms; } div { pause:100ms; } |
| pitch | Declares the average speaking pitch of a voice. | Frequencies in hertz (Hz) or the following predefined values: x-low | div { pitch:120Hz; } div { pitch:high; } |
| pitch-range | Declares a change in the pitch range of a voice. | Number values between 0 and 100 (lower values indicate a flat voice while higher values indicate an animated voice). | div { pitch-range:50; } div { pitch-range:99; } |
| play-during | Declares a background sound to be played while the current element is spoken. | URL value, followed by one or more of the following keywords, separated by spaces: mix Alternatley, one of the following keywords: auto | div { play-during:url(music.wav); } div { play-during:url(music.wav) repeat; } div { play-during:none; } |
| richness | Declares the richness of the voice in spoken text. | Numeric values between 0 and 100 (lower values have less richness and higher values have more richness). | div { richness:50; } div { richness:0; } |
| speak | Declares if/how text is spoken. | normal none spell-out | div { speak:none; } div { speak:spell-out; } |
| speak-header | Declares how often table header cells are spoken. | once always | th { speak-header:once; } th { speak-header:always; } |
| speak-numeral | Declares how numerals are spoken. | digits continuous | div { speak-numeral:digits; } div { speak-numeral:continuous; } |
| speak-punctuation | Declares how punctuation is spoken. | code none | div { speak-punctuation:code; } div { speak-punctuation:none; } |
| speech-rate | Declares the speech rate of spoken text. | A number indicating the number of words per minute, or one of the following predefined values: x-slow | div { speech-rate:50; } div { speech-rate:medium; } |
| stress | Declares the stress of the voice on spoken text. | Numeric values between 0 and 100 (lower values have less stress and higher values have more stress). | div { stress:50; } div { stress:0; } |
| voice-family | Declares the voice family of spoken text. | Generic or specific voice family names. | More Information |
| volume | Declares the median volume. | Numbers between 0 and 100, percentages, or one of the following predefined values: silent | div { volume:50; } div { volume:silent; } |