1. Multimedia: Problems and Opportunities OZeWAI 2002

2. November 2002OZeWAI Slide 2 Presenters John McKenna, Telstra Brendan Wylie, PC Ephone Andrew Arch, Vision Australia Foundation Charles McCathieNevile, W3C

3. Web on the Move John McKenna Brendan Wylie

4. November 2002OZeWAI Slide 4 The Web on the Move PC –EPhone CDMA mobile phone 640x480, 256 colour, 2000dpi TFT LCD Windows CE Internet Explorer Pocket Word PIM software Email software http://www.pcephone.com.au/

5. Multimedia Accessibility What Can Be Done (How Do We Record It) Andrew Arch

6. November 2002OZeWAI Slide 6 What is Multimedia? Graphics GIF, JPEG, PNG Scalable Vector Graphics (SVG) Audio Video QuickTime Realmedia Interactive objects Flash Shockwave

7. November 2002OZeWAI Slide 7 Accessible Multimedia Alt text Transcripts Multilingual audio tracks and captions Described images & actions Text to speech conversion Multi-device access, eg. keyboard navigation

8. November 2002OZeWAI Slide 8 SMIL & SVG Synchronised Multimedia use for TV-like multimedia presentations can synch auditory tracks and transcripts MAGpie from WGBH is free http://ncam.wgbh.org/webaccess/magpie/index.html Scaleable Vector Graphics describes 2-dimensional graphics in XML images scale, unlike GIF, JPG, PNG text is text, not graphics can consume bandwidth

9. November 2002OZeWAI Slide 9 SMIL & SVG Demonstrations SVG www.adobe.com/svg/demos/main.html SMIL ncam.wgbh.org/richmedia/showcase.html realnetworks.com/resources/realoneplayer/demostutorials.html

10. November 2002OZeWAI Slide 10 Flash Issues non-mouse access audio images and video interactivity player required assistive technology access Resources Macromedia accessibility http://www.macromedia.com/macromedia/accessibility/features/flash/

11. November 2002OZeWAI Slide 11 Flash MX & Player 6 Accessibility enhancements Microsoft Active Accessibility Reveals regular text to screen readers JFW 4.5; WindowEyes 4.2 Alt text and button names Tab order and reading order is settable Object grouping Captioned video Font and colour can be set The Learning Federation requires high levels of accessibility for their Learning Objects

12. November 2002OZeWAI Slide 12 Cataloguing Multimedia for Accessibility W3C EARL IMS Global Dublin Core

13. November 2002OZeWAI Slide 13 W3C EARL Evaluation and Report Language RDF based framework for recording, transferring and processing data about resources A notation for recording and sharing evaluations http://www.w3.org/WAI/ER/intro.html

14. November 2002OZeWAI Slide 14 Dublin Core DC.Accessibility Looking for ways to use DC metadata to aid identifying accessible resources as part of resource discovery DC metadata is very pervasive, especially within Government DC 2002 – “digital libraries are there to make information accessible” hence accessibility is an issue for the DCMI community http://www.dublincore.org/groups/access

15. November 2002OZeWAI Slide 15 IMS Global - Metadata IEEE Learning Object Metadata (LOM) Draft Standard defines a set of meta-data elements that can be used to describe learning resources IMS developed a representation of the meta- data in XML Moving to convergence with DC Working on accessibility elements http://www.imsglobal.org/metadata/index.cfm

16. November 2002OZeWAI Slide 16 IMS Global - LIP Learner Information Packaging Includes accessibility information such as ‘learner preferences’, ‘language information’, ‘disability/accessibility information’ and ‘technical/physical preferences’ XML based Students will be able to select materials or modules according to their disability profile http://www.imsglobal.org/profiles/primer1.html

17. November 2002OZeWAI Slide 17 IMS Global - Accessibility Guidelines for developing accessible learning applications Text, audio, images, multimedia Asynchronous communication and collaboration tools Synchronous communication and collaboration tools Interfaces and interactive environments Testing and assessment Authoring tools http://www.imsglobal.org/accessibility/accv1p0/imsacc_guidev1p0.html

18. November 2002OZeWAI Slide 18 The Learning Federation Accessible multimedia learning objects Metadata for resource discovery, including accessibility description Student profiles, including disability and technology http://www.thelearningfederation.edu.au

19. Multimedia - Usability & Accessibility Charles McCathieNeville