W3C home > Mailing lists > Public > w3c-wai-ig@w3.org > April to June 1999

Re: wave file as alt tag?

From: David Poehlman <poehlman@clark.net>
Date: Sun, 16 May 1999 09:31:29 -0400
Message-ID: <373EC8B1.C98CAEEC@clark.net>
To: Peter Meijer <meijer@natlab.research.philips.com>
CC: w3c-wai-ig@w3.org
Of course, we understand that this would not be available to all users
but it might help even those for whom reading is a problem so that
unique audation could replace the image or suplement it.  this may
play well in the easy reading and reading impaired segment.
a plug in would have to of course be developped that would
automatically process and sonify the image.

Peter Meijer wrote:
> Technically this should be quite feasible. For instance,
> if an image of the American flag is showing with something
> like Alt="Stars and stripes" in the HTML IMG tag, a blind
> user might at the same time hear a "wav tag" of "wave file
> as alt tag" like (88K file size)
>    http://www.seeingwithsound.com/extra/usflag.wav
> which is the sound generated from and corresponding to the
> usflag.bmp example image that can be downloaded from
>    http://www.seeingwithsound.com/extra/usflag.zip
> For bandwidth efficiency, for guaranteeing mutual consistency
> between image and sound, and to avoid adding a burden on any
> website developer, one would want this sound rendering done
> automatically on the client computer, based on the original
> image that the IMG tag was referring to.
> Linking a browser to a third-party add-on for the image based
> sound rendering would do the job. The browser would only have
> to pass on the image data when the user indicates he/she wants
> to analyze the audible counterpart of an image, perhaps zoom
> into it, hear it in inverse video, hear it line by line, apply
> OCR, or whatever else may help with understanding the content
> of the image through sound. All the necessary ingredients except
> for the browser link are already available.
> Best wishes,
> Peter Meijer
> Soundscapes from The vOICe - Seeing with your Ears!
> http://ourworld.compuserve.com/homepages/Peter_Meijer/

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Received on Sunday, 16 May 1999 09:30:47 UTC

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