projection/motion media/multimedia l projected images projected images and and projection systems...
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Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
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Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
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Large Images
Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
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Large ImagesAttract Attention
Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Projected ImagesProjected Images AndAndProjection SystemsProjection Systems
Reflector
Lamp
Lens(Condenser)
Transparency
Lens(Projection)
Screen
Generic Projection SystemGeneric Projection System
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Projection ScreensRear Screen
Front Screen
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Front Projection ScreensFront Projection Screens
� Matte SurfaceMatte Surface
� LenticularLenticular
� High ReflectanceHigh Reflectance
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Viewing PrinciplesViewing Principles
Angle of ViewAngle of View
< 30Þ< 30Þ
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Viewing PrinciplesViewing Principles
Minimum/Maximum Viewing Distance
w = image width
4w – comp. proj.
2w min.
6w – non-computer
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Keystoning Keystoning
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Motion MediaMotion Media
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Attributes of Motion MediaAttributes of Motion Media
� Show MotionShow Motion
� Manipulate Time and SpaceManipulate Time and Space
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Show MotionShow Motion
� Persistance of VisionPersistance of Vision
¦ Re-creating MotionRe-creating Motion
¦ Moving the MotionlessMoving the Motionless
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Manipulate Space and TimeManipulate Space and Time
� Manipulation of SpaceManipulation of Space
� Manipulation of TimeManipulation of Time
¦ CompressionCompression
¦ ExpansionExpansion
¦ Arresting MotionArresting Motion
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Advantages Advantages of Motion Mediaof Motion Media
� Visual ContinuityVisual Continuity
� Remote ObservationRemote Observation
� Repeated ViewingRepeated Viewing
� Dramatize EventsDramatize Events
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Advantages Advantages of Motion Mediaof Motion Media
� Emotional ImpactEmotional Impact
� Command AttentionCommand Attention
� Distance Transmission (TV)Distance Transmission (TV)
� Easy/Universal (TV)Easy/Universal (TV)
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Limitations Limitations of Motion Mediaof Motion Media
� Fixed PaceFixed Pace
� Expensive ProductionExpensive Production
� Advance PlanningAdvance Planning
� Large Group Projection (TV)Large Group Projection (TV)
� Resolution (TV)Resolution (TV)
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Resolution Resolution of Film and Televisionof Film and Television
� TV : TV : 525525 lines lines
� HDTV: HDTV: 1,1251,125 lines lines
� 16mm Film : 16mm Film : 2,0002,000 lines lines
� 35mm Film : 35mm Film : 4,0004,000 lines lines
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Formats – FilmFormats – Film
� 16mm16mm
� 35 mm35 mm
� 70mm70mm
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Formats – TelevisionFormats – Television
� Professional Formats – Professional Formats – 2” Quad 2” Quad 1” “C” Format 1” “C” Format 1/2” BetaCam SP, M2 1/2” BetaCam SP, M2 1/2” Digital (D2) 1/2” Digital (D2)
� Industrial/Educational Formats – Industrial/Educational Formats – 1/2” VHS S-VHS 1/2” VHS S-VHS 8mm Hi-8 8mm Hi-8 3/4” U-Matic3/4” U-Matic
� Distribution Format – Distribution Format – VHSVHS
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
MULTIMEDIA MULTIMEDIA
Presentation systems or Presentation systems or programs (materials) which programs (materials) which incorporate a incorporate a combination of combination of media formatsmedia formats, usually , usually including both aural and visual including both aural and visual elements.elements.
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Examples of Multimedia Examples of Multimedia Systems Systems
� Slide/TapeSlide/Tape
� Programmable Control SystemsProgrammable Control Systems
� Multimedia Classroom Control Multimedia Classroom Control SystemsSystems
� Multimedia Computer WorkstationsMultimedia Computer Workstations
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Examples of Common Media Examples of Common Media Formats for Multimedia Formats for Multimedia
� Audio tapeAudio tape
� VideotapeVideotape
� SlidesSlides
� Video DiscVideo Disc
� Compact Audio Disc (CD)Compact Audio Disc (CD)
� CD ROM Digital Data StorageCD ROM Digital Data Storage
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Slide/Tape ProgramsSlide/Tape Programs
� Group presentaionGroup presentaion
� Individual PresentationIndividual Presentation
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Advantages of Slide/TapeAdvantages of Slide/Tape
� Consistent narrative informationConsistent narrative information
� Mixing of non-verbal audio Mixing of non-verbal audio (music, natural, fx) (music, natural, fx)
� Audio/visual information linkedAudio/visual information linked
� Relatively easy and inexpensive Relatively easy and inexpensive to produce locally to produce locally
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Limitations of Slide/TapeLimitations of Slide/Tape
� Special equipment set-upSpecial equipment set-up
� Sound and visual can get out of Sound and visual can get out of sync sync
� Provides limited visual movement Provides limited visual movement (not true motion)(not true motion)
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
SynchronizationSynchronization
Principle: record pulses on Principle: record pulses on audiotape at point where visual is audiotape at point where visual is to changeto change
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
SynchronizationSynchronization
� Audible PulsesAudible Pulses: Tones on the : Tones on the audio track which can be heard audio track which can be heard by the viewer, cueing him/her to by the viewer, cueing him/her to manuallymanually advance the slides. advance the slides.
� Inaudible PulsesInaudible Pulses: Tones on an : Tones on an audio track other than the audio track other than the program track (1000 Hz) which program track (1000 Hz) which advance the slides advance the slides automaticallyautomatically..
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Multi-image PresentationMulti-image Presentation
� Multi-imageMulti-image: Images from more : Images from more than one projection source than one projection source displayed on one or more displayed on one or more screens in sequence or screens in sequence or simultaneouslysimultaneously
� Multi-screenMulti-screen: Multi-image : Multi-image presention which uses more presention which uses more than one screenthan one screen
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Some common uses of Some common uses of Multi-imageMulti-image
� Education/trainingEducation/training
� Informational presentations Informational presentations
� Motivational presentations Motivational presentations
� Entertainment Entertainment
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Reasons for using Reasons for using multi-imagemulti-image
� Compare/contrastCompare/contrast
� Continuity (build)Continuity (build)
� Maintain relationshipsMaintain relationships
� Special effectsSpecial effects
� Simulate motionSimulate motion
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Common Multi-image Common Multi-image FormatsFormats
� Single ScreenSingle Screen
� Side-by-Side Side-by-Side
� Multiple Multiple Screens/Multiple Screens/Multiple projectors projectors
Projection/Motion Media/Multimedia Projection/Motion Media/Multimedia
Electronic Multimedia and Electronic Multimedia and InternetInternet
� CD ROM CD ROM
� QuickTime Virtual QuickTime Virtual RealityReality
� RealAudioRealAudio
� Netscape – Web SitesNetscape – Web Sites