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CSS Aural Media

CSS Aural Media/ Style Sheets

CSS Aural media or style sheets are use to a combination of speech synthesis and a sound style features to a specific document elements to make the user listen to information instead of reading them. So, aural media is very useful for visually impaired people.

Aural media can be used:

  • It helps to blind or visually impaired people
  • It helps users learning to read and who have reading problems.
  • Training
  • Medical documentation
  • Home entertainment
  • It can be used by print-impaired communities
  • Industrial documentation

Aural Media Properties

Following is a list of aural media properties

Property Explanation Value
azimuth This property is set where the sound should come from horizontally. Angle
left-side
far-left
left
center-left
center
center-right
right
far-right
right-side
behind
leftwardsrightwards
cue It is used to set the cue properties in shorthand (one declaration). cue-beforecue-after
cue-after It is used to specify a sound to be played after speaking an element's content to delimit from other. none
url
cue-before It is used to specify a sound to be played before speaking an element's content to delimit it from other. noneurl
elevation It is set where the sound should come from vertically. angle
below
level
above
higherlower
pause It is used to set the pause properties in shorthand (one declaration). pause-beforepause-after
pause-after It is used to observed a pause after speaking an element's content. time
%
pause-before It is used to observed a pause before speaking an element's content. time
%
pitch It is used to specify the pitch (a frequency) of the speaking voice. frequency
x-low
low
medium
high
x-high
pitch-range It is used to specify the variation in average pitch. It specifies that speaking voice is animated voice or monotone voice. number
play-during It specifies a sound to be played as a background while an element's content is spoken. auto
none
url
mix
repeat
richness It is used to specifies the sound quality (richness or brightness) of the speaking voice. number
speak It specifies whether text will render aurally. normal
nonespell-out
speak-header It can be used to specify how to handle table headers. It is also specified that whether the headers be spoken before every cell, or only before a cell with a different header than the previous cell. always
once
speak-numeral It specifies to control how numerals are spoken. digits
continuous
speak-punctuation It is used to specify how punctuation are spoken nonecode
speech-rate It specifies the rate of the speaking. It allowed both the speaking and relative keyword. number
x-slow
slow
medium
fast
x-fast
fasterslower
stress It is used to specify the "stress" in the speaking voice or the height of the "Local peaks". number
voice-family It specifies the voice family of the speaking voice and the value is comma separated. specific-voice
generic-voice
volume It specifies the medium volume of the speaking voice . number
%
silent
x-soft
soft
medium
loud
x-loud

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