The aural properties allow blind or partially sighted people to use web pages.
|
Property
|
Description
|
Values
|
Example
|
|
volume
|
Sets the volume
|
number
percentage
silent
x-soft
soft
medium
loud
x-loud
|
body {volume: 25;}
|
|
speak
|
Sets whether (and how) text is spoken
|
normal
spell-out
none
|
p {speak: normal}
|
|
voice-family
|
Sets a specific or generic voice family.
|
voice family
|
h1 { voice-family: announcer,}
|
|
speech-rate
|
Sets how fast text is spoken
|
number
x-slow
slow
medium
fast
x-fast
faster
slower
|
body {speech-rate: 80;}
|
|
pitch
|
Sets the average pitch of the voice
|
frequency
x-low
low
medium
high
x-high
|
p {pitch: 120Hz}
|
|
pitch-range
|
|
number
|
p {pitch-range: 50}
|
|
richness
|
|
number
|
p {richness: 50}
|
|
stress
|
|
number
|
p {stress: 50}
|
|
pause
pause-before
pause-after
|
|
time
percentage
|
h1 {pause: 25ms}
h1 {pause: 100%}
h1 {pause-before: 25ms}
h1 {pause-after: 25ms}
|
|
cue
cue-before
cue-after
|
|
url
none
|
h1 {cue: (ding.wav)}
h1 {cue-before: (ding.wav)}
h1 {cue-after: (dong.wav)}
|
|
play-during
|
|
url
mix
repeat
none
|
h1 {play-during: (mysound.mid);}
|
|
azimuth
|
|
angle
left-side
far-left
left
center-left
center
center-right
right
far-right
right-side
behind
leftwards
rightwards
|
p {azimuth: 0deg}
|
|
elevation
|
|
angle
below
level
above
higher
lower
|
p { elevation: 60deg}
|
|
speak-punctuation
|
|
code
none
|
p {speak-punctuation:none}
|
|
speak-numeral
|
|
digit
contiguous
|
p {speak-numeral: continuous}
|
