Transcript Multimedia Displays

Multimedia Web Pages
Multimedia displays
Browser can load web pages that contains
multimedia elements
Helper applications:

1.
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stand-alone programs that display data that is
not directly integrated into a web. Helpers
display their information in their own window.
Plug-ins:
2.

Programs that play audio, movies, or
animations.
Comparison
Plug-ins
Helper Applications
Closely tied to browser.
Program Stands alone.
Displays inside Browser’s
Displays in separate window.
window.
Configuring involves downloading
Installation involves down
the helper application and editing
loading the plug in an running a your preferences.
procedure.
May launch more slowly.
Launches quickly.

Examples of Plug-ins

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Shockwave and Quicktime
Includes animation, sound, video, interaction
and virtual reality
Useful Links:
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www.meninblack.com/mibflashpage.html
www.shockwave.com
www.macromedia.com
Audio

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Audio can be included in a web page. The process of
streaming is used with large audio files.
There is a good number of audio formats:

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AIFF (Audio Interchange File Format), developed by Apple
AU by Sun Microsystems
MIDI (Musical Instrument Digital Interface)
Real Audio by Progressive Networks.
WAV by Microsoft
Audio And Web Pages
To include an audio file in a web page we use the
<object> and</object> tags. For example to include
the WAV audio file called mymusic.wav using the
object tag you can use the following code:
<object data=“mymusic.wav”
type=“audio/wav”>
</object>
 The Data attribute specifies the source of file and the
type attribute specifies the object’s MIME type.

Audio and Web Pages

Microsoft Internet Explorer supports the background
sound tag <bgsound>, Netscape doesn’t. To include
the same audio file on a page to be loaded by IE you
could use the following code:
<bgsound SRC=“mymusic.wav”>

Demo:
http://journalism.berkeley.edu/multimedia/tutorials/elements/drum
s.mov
Movies and Video

As with video, a large number of video formats are
currently in use. Some of the most popular are:

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AUI Audio Video Interloaded by Microsoft
MPEJ Motion Picture Experts Group
Quick Time By Apple
Video and Web Page
To include a video in a web page we can use the object tag:
<object data=“myvideo.avi”
type=“video/msvideo”
High=“150”
width=“150”>
</object>

Type specifies the object MIME type and high and width the pixels
are on which the video will be display
http://journalism.berkeley.edu/multimedia/tutorials/elements/buen
os.mov
For more information

Here are some more resources that you may find
useful:
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Web Developers Virtual Library Multimedia for the Web
http://wdvl.com/Multimedia/
Multimedia Authoring Web
http://www.mcli.dist.maricopa.edu/authoring/
http://www.webdeveloper.com/multimedia/multimedia_putti
ng_video_on_website.html
Conclusion


When used properly, multimedia can
compliment the contents of a Web site by
making it easier and more interesting to
browse for information.
Various multimedia formats are commonly
used on the Internet. When adding
multimedia to a Web site, it's important to
know strengths and weaknesses of various
multimedia formats and know when to use
which formats.