Adobe 65029940 User Guide - Page 94

84 CHAPTER 3 Creating projects • Avoid looping objects. When a screen reader encounters Flash content on a page, the screen reader notifies the user with audio, such as "Loading....load done". As content in a project changes, the Flash Player sends an event to the screen reader notifying it of a change, which causes the screen reader to return to the top of the page and begin reading again. Therefore, a looping text animation on a slide, for example, might cause the screen reader to continually return to the top of the page. This could be annoying for users relying on a screen reader. • If you are creating click boxes you can make them more accessible by adding sound. The sound can play when users tab to the click box or hover over the click box. To add this accessibility feature, attach a sound file to the hint caption. (If you do not want the hint caption to appear on the slide, you can make the caption transparent and add no text.) • Accessibility in Adobe Captivate movies works better when all the slides have interactive content. If you are using JAWS 6.1 or later, JAWS may not clear the Microsoft Active Accessibility (MSAA) tree. This might cause the content of previous slides to be repeated in the case of continuous slides. This problem does not occur in JAWS 4.5. About testing accessible content If you are designing your Adobe Captivate project to work with screen readers, download several screen readers and test your project by playing it in a browser with the screen reader enabled. Make sure that the screen reader is not attempting to "talk over" places in your project where you have inserted separate audio. Several screen reader applications provide a demonstration version of the software as a free download you should try as many as you can to ensure compatibility across screen readers. If you are creating interactive content, test it and verify that users can navigate your content effectively using only the keyboard. This can be an especially challenging requirement, because different screen readers work in different ways when processing input from the keyboard-meaning that your Adobe Captivate content might not receive keystrokes as you intended. Make sure to test all keyboard shortcuts. Adobe Captivate accessibility web page For latest information on creating and viewing accessible Adobe Captivate content, visit the Adobe Captivate Accessibility Overview page on the Adobe website at www.adobe.com/macromedia/accessibility/features/captivate/overview.html.