[Bug 5758] New: insufficient accessibility fallback for <audio> or <video>


           Summary: insufficient accessibility fallback for <audio> or
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Spec bugs
        AssignedTo: dave.null@w3.org
        ReportedBy: jimjjewett@gmail.com
         QAContact: public-html-bugzilla@w3.org
                CC: ian@hixie.ch, mike@w3.org, public-html@w3.org

The new <audio> and <video> elements do not permit fallback content.  

This is a regression from the more generic <object> (though not from <embed>).

The reasoning is that authors SHOULD use accessibility aids built into the
underlying media.  While this is indeed desirable, it is not always possibe --
and relies on the browser being able to interpret the media stream, at least to
some extent.

An additional fallback step is required for authors who cannot modify the
original stream, and for users of browsers which do not understand the format
well enough to extract accessibility information.

The fallback already available for <object> would be sufficient, as would a
more specialized element such as the sometimes proposed <alt>.

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Received on Sunday, 15 June 2008 01:36:56 UTC