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Chapter Objectives

Chapter Objectives. Explain Web page multimedia issues Describe types of Web page animation Discuss adding and editing Web page audio and video elements Identify ways to effectively use interactive elements. Multimedia Issues. Combination of text, images, animation, audio, and video

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Chapter Objectives

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  1. Chapter Objectives • Explain Web page multimedia issues • Describe types of Web page animation • Discuss adding and editing Web page audio and video elements • Identify ways to effectively use interactive elements Chapter 6: Multimedia and Interactivity Elements

  2. Multimedia Issues • Combination of text, images, animation, audio, and video • Most WYSIWYG editors include tools for incorporating multimedia • Use multimedia sparingly, and for distinct purposes Chapter 6: Multimedia and Interactivity Elements

  3. Multimedia Issues • Guidelines to follow • Give users a choice of content • List any necessary plug-ins • Provide text equivalents for all multimedia elements • Offer low-bandwidth alternatives • Break files into short segments to create smaller files Chapter 6: Multimedia and Interactivity Elements

  4. Animation • Animation can be used to • Catch a visitor’s attention • Demonstrate a simple process • Illustrate change over time • Animated GIFs • Sequence of frames that simulate movement • Should be used to support your Web site’s message • Too many animated GIFs can detract from a page Chapter 6: Multimedia and Interactivity Elements

  5. Animation Chapter 6: Multimedia and Interactivity Elements

  6. Adobe Flash CS3 and Microsoft Silverlight • Adobe Flash CS3 is a tool for creating sophisticated Flash movies • Simulates motion via fast-paced presentation of changing static images • Microsoft Silverlight is a relatively new browser plug-in technology designed to play the multimedia content found in rich interactive applications Chapter 6: Multimedia and Interactivity Elements

  7. Adobe Flash CS3 and Microsoft Silverlight Chapter 6: Multimedia and Interactivity Elements

  8. Avatars • Avatars are alternative personas or virtual identities for MMOGs or 3D virtual worlds • Avatars can be found • In e-mail marketing campaigns • Business or personal blogs • E-commerce Web sites • Virtual models Chapter 6: Multimedia and Interactivity Elements

  9. Avatars Chapter 6: Multimedia and Interactivity Elements

  10. Gadgets • Small code objects that provide dynamic Web content • Clocks • Weather • Reports • Breaking news headlines Chapter 6: Multimedia and Interactivity Elements

  11. Gadgets Chapter 6: Multimedia and Interactivity Elements

  12. Audio and Visual Elements • Downloadable media must be downloaded in its entirety before it can be heard or seen • Streaming media begins to play as soon as data begins to stream Chapter 6: Multimedia and Interactivity Elements

  13. Audio and Visual Elements Chapter 6: Multimedia and Interactivity Elements

  14. Audio Elements • Audio files can add sound effects, entertain visitors with background music, deliver a personal message, or sell a product or service with testimonials • Only include background music when it supports your site’s message and the mood you want to achieve • You can record your own audio files Chapter 6: Multimedia and Interactivity Elements

  15. Audio Elements • Streaming audio begins playing as the audio is delivered by the server • RealAudio • RealPlayer • Windows Media • Windows Media Player • QuickTime • QuickTime Player Chapter 6: Multimedia and Interactivity Elements

  16. Streaming Audio Chapter 6: Multimedia and Interactivity Elements

  17. Editing Audio Files • Use these guidelines for creating and editing audio files for the Web: • Keep audio clips short • Select a mono audio channel • Use an 8 kHz sampling rate for voice only audio, and 22 kHz for music audio • Use an 8-bit audio file for voice and 16-bit audio file for music Chapter 6: Multimedia and Interactivity Elements

  18. Video on the Web • Video is becoming a more common content element • You can download royalty-free videos, purchase videos, or create your own video files using a digital camcorder and video editing software • Adobe Premiere Pro CS3 • Pinnacle Studio Ultimate version 11 • Windows Movie Maker Chapter 6: Multimedia and Interactivity Elements

  19. Video on the Web Chapter 6: Multimedia and Interactivity Elements

  20. Editing Video Files • The common frame sizes are 160 x 120 or 240 x 180 pixels; the frame rate for Web video ranges from 10 to 15 frames per second (fps) • The greater the number of bits or bit depth, the bigger the file size • You can define the general quality level of your video, which automatically adjusts the compression Chapter 6: Multimedia and Interactivity Elements

  21. Interactive Elements • Requires user participation with one or more elements on a Web page • Use interactive elements on your Web site to keep the user interested and involved with your content • Various ways to incorporate interactivity Chapter 6: Multimedia and Interactivity Elements

  22. Web-based Form Guidelines • Structured Web documents on which information can be entered • Common form elements include text boxes, check boxes, option buttons, drop-down list boxes, and a Send or Submit button • Forms are frequently used to obtain comments and feedback or to order products or services Chapter 6: Multimedia and Interactivity Elements

  23. JavaScript, Applets, and Servlets • JavaScript, applets, and servlets are all used to create interactive content elements • Applets are small programs that are designed to execute in a browser and are sent to a browser as a separate file together with the related Web page • A servlet is similar to an applet; however, a servlet executes from the server instead of executing within the visitor’s browser Chapter 6: Multimedia and Interactivity Elements

  24. Blogs • Popular way to promote Web site interactivity • Sites such as Blogger, WordPress, and Typepad provide tools you can use to quickly create a blog hosted on your own server or on the tool provider’s server Chapter 6: Multimedia and Interactivity Elements

  25. Blogs Chapter 6: Multimedia and Interactivity Elements

  26. Live Chat • Live chat allows visitors to ask questions about products or services in real time • Visitors’ chat messages are answered by in-house chat agents Chapter 6: Multimedia and Interactivity Elements

  27. Live Chat Chapter 6: Multimedia and Interactivity Elements

  28. Chapter Summary • Explain Web page multimedia issues • Describe types of Web page animation • Discuss adding and editing Web page audio and video elements • Identify ways to effectively use interactive elements Chapter 6: Multimedia and Interactivity Elements

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