INTERACTION DESIGN PRINCIPLES FOR INTERACTIVE ...

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GLOSSARY ADVANCED TELEVISION ENHANCEMENT <strong>FOR</strong>UM (ATVEF) A cross-industry alliance of companies representing the broadcast and cable networks, television transports, consumer electronics and PC industries. ATVEF has defined protocols for HTML-based enhanced television. ANALOG An analog signal is any continuously variable signal, unlike a digital signal which uses discrete values. Analog signals are susceptible to noise when copied or transmitted over long distances. ANTI-ALIASING Anti-aliasing, also known as smoothing, is a technique of blending bitmap-based images and text to reduce the jagged appearance of aliased text. The process of anti-aliasing blends the edge pixels in areas of transition to give the text a smoother looking appearance. ASPECT RATIO The width-to- height ratio of the screen or monitor. Two aspect ratios are in common use for television: 4:3 (standard) and 16:9 (widescreen). 197
BROADBAND A network capable of delivering high bandwidth, used by Internet and cable television providers. DIGITAL TELEVISION (DTV) DTV, which will ultimately replace the analog NTSC signal in the U.S., uses digital modulation and compression to broadcast video, audio and data signals. DTV allows for more channels to be carried in the same amount of bandwidth, high definition programming, and a switchover to the 16:9 aspect ratio. DIGITAL VIDEO RECORDER (DVR) A DVR records television programming onto a hard disk in digital format, which enables users to time-shift through recorded media. Commercial examples include TiVo and ReplayTV. ELECTRONIC PROGRAMMING GUIDE (EPG) An EPG allows viewers to have interactive access to television broadcast schedules and additional information about programs. Additional functionalities and features, depending on the device and service, can include one-touch recording, program summaries, search by genre or channel, immediate access to the selected program, reminders, picture-in- picture, and parental control functions. ENHANCED TELEVISION (ETV) See Interactive Television 198
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INTERACTION DESIGN PRINCIPLES FOR I
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ACKNOWLEDGMENTS This thesis would n
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2.3.3 Constraints 2.4 Electronic /
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4.2 Designing for Television 4.2.1
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Table 1.1 Table 1.2 Table 1.3 Table
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Figure 2.6 Figure 2.7 Figure 2.8 Fi
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Figure 5.4 Figure 5.5 Figure 5.6 Fi
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Figure 5.36 Figure 5.37 Figure 5.38
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SUMMARY Interactive television (iTV
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However, it is clear that televisio
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looking closely at existing designs
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For viewers with analog television
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Figure 1.3 Percent of Households wi
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interact with television shows by u
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New Media usage is dominated by 18
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Figure 1.6 Winky Dink and You The o
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1.4.1 BBC Interactive Figure 1.7 In
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1.4.2 Additional Examples Many othe
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Table 1.6 (continued). Greece Local
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Table 1.6 (continued). New Zealand
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using a combination of visual cultu
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CHAPTER 2 BROAD CATEGORIES OF ITV P
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Table 2.1 Categorization of iTV by
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capable of storing an enormous amou
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(c) Figure 2.2 Examples of Comcast
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(c) (d) Figure 2.3 Examples of Gems
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users to send email, chat, and surf
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2.6 WEB-BASED SYNCHRONOUS (TWO-SCRE
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interactive or enhanced content on
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they allow for greater versatility,
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Networks have also used wireless de
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The American Film Institute’s enh
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game consoles with televisions and
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Interactivity must be tied to origi
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CHAPTER 3 BROAD CATEGORIES OF ITV P
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information about the topic at hand
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said they would do so again in the
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3.2.1 Representative Example in Spo
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(a) (b) Figure 3.3 Test the Nation
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interactive TV betting service tota
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application was also available on t
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the ABC telecast throughout the eve
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platforms. The navigation is timeli
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3.7 SHOPPING Shopping, or purchasin
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- and as close to the regular exper
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CNN Crossfire, broadcast in front o
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Dramas may need to operate under a
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The participatory aspect of many pr
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4.1.1 Grid-Based Design Grid-based
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The Law of Similarity. Elements tha
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more visually pleasing, but can hel
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Figure 4.3 TV Aspect Ratios Althoug
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and graphics-safe areas for designi
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4.2.4 Line Width The image on a tel
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shapes, to make similar letters dis
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specification. OCAP is intended to
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pages. Web applications that exceed
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Source: Human Factors International
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working on a computer is not a soli
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media, among others. Figure 4.9 pro
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MSN TV 2, which Microsoft rolled ou
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with a handheld remote control from
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Table 4.2 outlines some of the diff
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should be designed with the televis
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Pages that appear in series, one af
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CHAPTER 5 PRINCIPLES OF INTERACTION
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through… The computer’s spatial
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medium. The current state of this e
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through the different elements offe
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y the wider context of the program
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History IQ focused on keeping the i
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een programs that were still in dev
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features of a DVD immediately after
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context where the learner is consci
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viewing experiences so that each vi
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(a) (b) Figure 5.10 TiVo WishList (
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e voted off the island. In both cas
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them so conducive to iTV programmin
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own content in ways similar to this
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In the first of a series of on-air
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Jakob Nielsen notes that users are
Page 163 and 164: (a) (b) Figure 5.22 TV411 Interface
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Page 167 and 168: (a) (b) (c) (d) Figure 5.28 Example
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Page 175 and 176: 5.4 NAVIGATION Navigation pertains
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Page 191 and 192: Figure 5.46 Examples of Mobile Inte
Page 193 and 194: CHAPTER 6 CONCLUSIONS AND FUTURE DI
Page 195 and 196: Figure 6.2 Convergence of Entertain
Page 197 and 198: (a) Figure 6.3 Examples of MTV Hija
Page 199 and 200: television producers to create show
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Page 203 and 204: Sheri Lamont, who has practiced and
Page 205 and 206: ecognition of outstanding achieveme
Page 207 and 208: REFERENCES Adams, M., Anand, P. & F
Page 209 and 210: Halle, T. (2003). Standards for int
Page 211 and 212: Norman, D. (2004) Emotional design:
Page 213: Thurrott, P. (2004, October 12). Wi
Page 217 and 218: MEDIA CENTER Media centers, or PC T
Page 219: which a television and a personal c
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