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RE: Vibration API rough draft

From: White, Jason J <jjwhite@ets.org>
Date: Wed, 14 Sep 2016 16:43:49 +0000
To: "Drake, Ted" <Ted_Drake@intuit.com>, "public-apa@w3.org" <public-apa@w3.org>
Message-ID: <BY2PR0701MB199038DC3D861AE9D4C15C0BABF10@BY2PR0701MB1990.namprd07.prod.outlook.com>
The Vibration API can also be highly valuable for improving the accessibility of graphical material by enabling the generation of vibratory haptics on devices that support it. Researchers here at ETS and investigators elsewhere have successfully explored the effectiveness of vibratory haptics as a means of providing non-visual access to diagrams, for example.

I think you should note the benefits of the Vibration API for conveying information, in addition to its potentially distracting effects.

For purposes of a haptics-based Web application, the user shouldn’t have to enable the Vibration API whenever the application is loaded – we don’t want users to be prompted whenever a page loads that makes use of the API. I think the recommended UA implementation should be a configuration setting rather than a prompt, or at the very least, a prompt that manipulates a stored value retained between sessions.
A leading accessibility researcher with considerable expertise in haptics, Mark Hakkinen, plans to be at TPAC next week, as do I. We’re both available, if desired, to discuss the Vibration API in connection with the work mentioned above.


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Received on Wednesday, 14 September 2016 16:44:20 UTC

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