Web Multimedia

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Web Multimedia
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Multimedia V the WebMultimedia- Videos,
sounds, high quality pictures- Enhanced CD -
singles - DVDThe Web- World Wide Wait- Added
content means extra time
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The delivery?Bandwidth- Multimedia files are
generally large- Graphics can be MB- Audio
several MB in size- Video even biggerModems are
slow- 56Kbps is approximately 25 times slower
than a single speed CD ROM- Dont even get 56K
most of the time due to distance and connection
quality
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The delivery?
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Standard Multimedia and the WebFiles must be
downloaded first- Will not display until all
downloaded- Usually launched in a separate
application- Will not be linked to the
information on the web pageMay not be
compatible- May need converting- May need
plugins- Format specific to operating system
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Waiting for the download
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How do we get round itMake files smallerGet
more bandwidthCompress files- Lossless
Zipped file- Lossy JPEG / MPEG
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Web enabled graphics- GIF Supports
transparency Supports animation 8-bit colour
depth- JPEG 24-bit colour depth- PNG Supports
transparency Very effective compression
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Web enabled audio- RA, RAM Real Audio Real
Networks Supports Streaming- ASF,
WMA Microsoft Media encoding for audio-
MP3 MPEG-1 audio layer 3 ISO standard for
digital audio
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Web enabled video- MOV, QT Quicktime Apple
computer format- RM Real media- ASF,
WMV Windows media player Microsoft
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Web plugins- Downloadable Players
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Web animationAppearance of movement or lifeTwo
ways Frame By Frame TweeningWeb needs at least
12 fpsMost common form is animated gifTotal
size is the total of all the framesLoop or non
loopFlash animation is fast taking over from Gif.
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Animation softwarePhotoshop and Image
ReadyPaintShopPro and animation studioUlead GIF
animator / Ulead COOL 3D
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Animation softwareMacromedia Flash DirectorSW
F/Shockwave filesNeeds plug inFlash MX8 is
current versionUsually has preloaderAAA\TMPiu8g
mcvsz9.htm
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FlashIs it bad or good?Bad Slow Intro
screens with no purposeGood EducationGood
GamesGood CartoonsGood Fun!Excellent
High BandwidthExcellent Navigation
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Streaming media- File Size Encoded and
compressed to a smaller file- Can be opened
before download is complete- Maintains an open
connection
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Problems- Can lose its connection- Popular
sites can become unavailable (Big Brother)-
Can drop or lose frames- Sound can lose
quality- Need server that can cope with it
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Good things- Internet Radio about 2500 radio
stations available on line- Video clips can
choose format- Moving towards MPEG based
standards
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Streaming technologies- Real Media Real
Player Real Jukebox- Microsoft Media Player-
Apple Quicktime
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RealReal Audio / Real Videowww.real.com
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QuicktimeMovies / Trailers on
taphttp//www.apple.com/trailers/
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MicrosoftWindows Media Playerhttp//www.robbi
ewilliams.co.uk/
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Virtual reality web- Multidimensional X, Y and
Z axis- First person You are the centre- Third
person Others are the centre, you are looking
into the world
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VRML- 3D objects Used for Engineering Multi
media presentations Entertainment Education
Virtual Worlds
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3D ViewsVRMLhttp//www.parallelgraphics.com/pro
ducts/cortona/You may have to install the plugin
from the download link (sometimes takes a couple
of goes before it installs properly)Look at
latest demo and showroom links on the right of
pageUlead COOL 360http//www.ulead.com/cool360/
samples.htmAgain you may need to install the
plugin
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Nowand the future- SVG Scalable Vector
Graphics Extension to XML- SMIL Synchronised
Multimedia Integration Language XML based
content over multimedia- Wireless Multimedia-
Broadband Using DSL, cable modem, fibre-optics
up to 19.6gbps TV, satellite, radio Major
companies such as AOL, NTL, BT, ATT
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Some sites to viewhttp//www.jacobscreek.comhtt
p//www.lookandfeel.comhttp//www.oggimodfurn.com
www.gshock.comwww.eye4u.comwww.shockwave.comww
w.macromedia.com
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