CSS Aural Media/ Style Sheets

To attach a sound style feature to an element, the CSS Aural Media or CSS Style Sheets are used. Instead of reading, the user can thus listen to the information. The speech synthesis and sound effects are used by the CSS Aural Media thus it is a great feature for the visually impaired people.

Uses of the CSS Aural media:

  • For blind or visually impaired people.
  • For learning the correct pronunciation.
  • For training purposes.
  • For the users with the reading problems.
  • For providing web access in vehicles.
  • For home entertainment.
  • For print-impaired communities.
  • For medical documentations.
  • For industrial documentation.

Aural Media Properties:

All the aural media properties are listed below:

Property Uses Value
azimuth Used to determine where the sound would come from. angle

left-side

far-left

left

center-left

center

center-right

right

far-right

right-side

behind

leftwards

rightwards

cue Used to define the cue properties in one declaration. cue-before

cue-after

cue-after Used to define the sound to be played after speaking the content of an element. none

url

cue-before Used to define a sound to be played before speaking the content of an element. none

url

elevation Used to determine where the sound would come from. angle

below

level

above

higher

lower

pause Used to define the pause properties in one declaration. pause-before

pause-after

pause-after Used to define a pause after speaking the contents of an element. time

pause-before Used to define a pause before speaking the content of an element. time

pitch Used to define the pitch of the speaking voice. frequency

x-low

low

medium

high

x-high

pitch-range Used to define the variation of the speaking voice to be monotone or animated voice. number
play-during Used to define a sound to be played while speaking the content of an element. auto

none

url

mix

repeat

richness Used to define the sound quality of the speaking voice to be rich or thin. number
speak Used to determine whether the content will render aurally or not. normal

none

spell-out

speak-header Used to define the way to handle the table headers and to determine whether the headers would be spoken before every cell, or only before a cell with a different header than the previous cell. always

once

speak-numeral Used to define the way to speak numbers. digits

continuous

speak-punctuation Used to define the way to speak the punctuation characters. None

code

speech-rate Used to define the speed of speaking. number

x-slow

slow

medium

fast

x-fast

faster

slower

stress Used to define the “stress” in the speaking voice. number
voice-family Used to define the voice family of the speaking voice. specific-voice

generic-voice

volume Used to define the volume of the speaking voice. number

silent

x-soft

soft

medium

loud

x-loud

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