The play-during property is used only in Aural Stylesheets.
The aural rendering of a document combines sounds and voices to go through the content of a document. Aural presentation occurs often by converting the document to plain text and then feeding this to a screen reader.
Situations and markets for listening to information could be:
The play-during property specifies a background-sound to be played while the content of an element is spoken.
|URI||An URI to an audio file|
|mix||The sound from the parent element's play-during
property continues to play + the sound specified in URI is mixed
Example: play-during: url("sea.wav") mix
|repeat||The sound will be repeated if it stops before the entire content
Example: play-during: url("sea.wav") repeat
|auto||Default. The sound of the parent element continues to play|
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