Provide an interface so that use of system sounds can be known to software.
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Many systems use the speaker to announce warnings or errors to the user. A user who is deaf or hard of hearing will not be able to hear and respond to the warning. Systems need to provide an interface so that software can provide an alternative method of providing the information.
Required development techniques
The following technique is the minimum required to meet checkpoint 5.1 from the IBM Hardware Accessibility Checklist:
Recommended development techniques
The above techniques are required; the following techniques are recommended to enhance accessibility.
Required test techniques
|1||Verify that there is an interface between system sounds and software.
Verify through inspection of the specification and software test cases.
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Last updated on July 22, 2009.