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AV Show - how to? By Juraj Dolanjski A.k.a. Slide Show, Photo

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AV Show - how to?
By Juraj Dolanjski
A.k.a. Slide Show, Photo Essay
3 elements required:
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Images
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Sound
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Production
Purpose of Digital AV show
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To replace conventional slide show
It is easy to
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Create a self running AV show
It is hard to
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Create an equivalent of multi projector, dissolved, user controlled or paced show
How long?
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No hard rules (3-6 minutes)
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Shorter is “sweeter”, too long can be boring
My formula:
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1 song is 3.5 minutes on the average
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If the show is 1 song long, usually exciting
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2nd song, it better be good
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3rd song, maybe boring, too long
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Shows with narration can be any length
Images
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First most important element of an AV show
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Images on a common subject matter (flowers, doors, faces etc)
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Images that support the story line (let’s say story about swans)
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Images that “flow” together emotionally (dreamy, creative, colour)
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Individual images do not need to be a “barn burners”, as others will support the show
Resolution
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Typical digital projector or monitor displays 1024 X 768 pixels (0.8 Meg pixel)
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Images in the show do not need to be any bigger, unless they are zoomed or panned
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What happens to images bigger than that?
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They bloat the production and slow it down
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They get sampled down by the AV software
Editing
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Be ruthless, remove all images that do not support the story
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Remove all that are technically flawed
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Keep the minimum number required for the desired show length
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Image time on screen: 3 to 8 seconds
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Shorter is OK for animation (flying birds)
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Longer is OK for effect (fading sunset)
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Then edit some more…..
Sequencing
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Visualise image sequences that support the story (wide shot, closer look, detail)
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Sequences can be based on object position in a frame (1/3rd)
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Sequences can be based on a colour (red flower, red umbrella)
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No light table
Download from http://wnsoft.com/
Proshow Gold
Advantages
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Lots of users
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Great for other formats (DVD, videoCD)
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Became a standard in North America
Disadvantages
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Limited light box
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Slow with larger shows
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Too many tempting choices of dissolving
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Timeline unwieldy when long, no zoom out
Available from http://photodex.com/
M.Objects directAV
Advantages
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Just like a conventional slide show
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Almost like a slide show for a speaker support
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Easy visual image/sound synching
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Timeline, sound waveform zoom-able
Disadvantages
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Not easily available till now, German
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Only creates EXE file in Basic version
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Most expensive ($160)
Available from http://fotojuraj.com/
Steps involved in AV
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Select images
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Arrange them in order
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Select sound
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Decide on timing and fading
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Titles
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Synchronise the show
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Fine tune and test
Dissolving
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Keep dissolving/fading simple and effective
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Some people equate this with boring, old school
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1001 variety in ProShow, if used produces terrible shows
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Remember: Dissolving is NOT the show!
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It should support it and not detract from it.
Animation
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Digital AV shows have many more capabilities than conventional slide shows do
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Dissolving is animation, fast paced imagery is animation too
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“Ken Burns” effects (zooming, panning and rotating) can be very effective if used creatively
Titles
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They add to the professional appeal
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Keep them simple, legible
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Show software may have them built in (ProShow)
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Otherwise add them as images, Jpeg (this can be very creative)
Computer
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Computer is pushed to the limit during transitions from one image to the other
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or during animations: zoom, pan, rotate
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Notebooks are notoriously poor performers
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Most important part is a graphics card
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Projector
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Most affordable projectors are 1024 x 768 pix resolution
LCD is better than DLP projector
DLP has challenges with moirГ© patterns
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