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Accessibility/HTML5 captions v2: Difference between revisions
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Accessibility/HTML5 captions v2 (view source)
Revision as of 13:49, 13 November 2009
, 13 November 2009→The itext element
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The src attribute gives the address of the external itext resource. The value of the attribute must be a valid URL identifying a text resource of the type given by the type attribute, if the attribute is present, or of the type "text/srt", if the attribute is absent. This attribute is required to enable the user agent to pick the correct parser for the file, even if it only receives a "text/plain" resource. | The src attribute gives the address of the external itext resource. The value of the attribute must be a valid URL identifying a text resource of the type given by the type attribute, if the attribute is present, or of the type "text/srt", if the attribute is absent. This attribute is required to enable the user agent to pick the correct parser for the file, even if it only receives a "text/plain" resource. | ||
GF: As I've stated before, I question the use of SRT as the default. | |||
The type attribute gives the format of the data, RFC 2046. If the attribute is present, its value must be a valid MIME type, optionally with parameters. The charset parameter must not be specified. (The default, which is used if the attribute is absent, is "text/srt".) [RFC2046] | The type attribute gives the format of the data, RFC 2046. If the attribute is present, its value must be a valid MIME type, optionally with parameters. The charset parameter must not be specified. (The default, which is used if the attribute is absent, is "text/srt".) [RFC2046] | ||
GF: Ditto. | |||
NOTE: text/srt will need to be registered as a mime type (as well as a format standardisation) | NOTE: text/srt will need to be registered as a mime type (as well as a format standardisation) | ||
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An activated itext resource displays its content into a specified screen area provided by the browser based on default styling. If the active itext resource changes, the text will change to originate from the new resource as soon as possible to the browser without interrupting any of its other display requirements (e.g. audio/video playback). | An activated itext resource displays its content into a specified screen area provided by the browser based on default styling. If the active itext resource changes, the text will change to originate from the new resource as soon as possible to the browser without interrupting any of its other display requirements (e.g. audio/video playback). | ||
GF: What about displaying text in multiple regions simultaneously? For example, French subtitles in the upper third and English captions in the lower third? Or, as is not uncommon in broadcast captions, the display of two sets of captions simultaneously (e.g., when two people are speaking at the same time). | |||
Also, what about providing both CC and TAD at the same time? The use of one should not exclude the use of other. | |||