systemOverdubOrSubtitle Attribute
This topic documents a feature of HTML+TIME 2.0, which is obsolete as of Windows Internet Explorer 9.
Specifies whether overdubs or subtitles render during a presentation.
Syntax
HTML <ELEMENT systemOverdubOrSubtitle= ... > Scripting N/A
Possible Values
overdub
The user prefers to substitute one voice track for another. subtitle
The user prefers to display text in a language different from the one currently being used in the audio track.
Remarks
The systemOverdubOrSubtitle attribute evaluates to true if the user preference matches this attribute value; it evaluates to false if they do not match.
If the systemOverdubOrSubtitle attribute is used on an HTML element in a switch statement, you don't have to apply the time2 behavior to the HTML element.
To turn captions on or off, select the Use ShowSounds check box on the Sound tab of the Accessibility Options located in the Control Panel.
Example
This example demonstrates how to use the systemOverdubOrSubtitle attribute. If captioning (
Use ShowSounds
) is not set to on, the first t:AUDIO evaluates totrue
and starts to play. Otherwise, the second t:AUDIO evaluates totrue
and starts to play.<HTML xmlns:t="urn:schemas-microsoft-com:time"> <HEAD> <STYLE> .time{ behavior: url(#default#time2);} </STYLE> <?IMPORT namespace="t" implementation="#default#time2"> </HEAD> <BODY timecontainer="seq"> <t:PAR> <t:SWITCH> <!-- If language is set to English and show sounds isn't checked, the following line evaluates true. --> <t:AUDIO src="ShowSoundsOff.wav" systemOverdubOrSubtitle="subtitle" systemLanguage="en" /> <!-- If language is set to English and show sounds is checked, the following line evaluates true. --> <t:AUDIO src="ShowSoundsOn.wav" systemOverdubOrSubtitle="overdub" systemLanguage="en" /> </t:SWITCH> </t:PAR> </BODY> </HTML>
Applies To
t:ANIMATE, t:ANIMATECOLOR, t:ANIMATEMOTION, t:ANIMATION, t:AUDIO, t:IMG, t:MEDIA, t:SEQ, t:SET, t:SWITCH, time2, t:VIDEO
See Also
Introduction to HTML+TIME, systemBitrate, systemCaptions, systemLanguage, time2