© 2009 Prentice-Hall, Inc. 1

© 2009 Prentice-Hall, Inc. 2

Technology in ActionTechnology in Action

Technology in Focus:Technology in Focus:

Digital EntertainmentDigital Entertainment

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Analog vs. Digital EntertainmentAnalog vs. Digital Entertainment

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What’s Special About Digital?What’s Special About Digital?

• AnalogAnalog– Sound and light wavesSound and light waves– Continuous waveformsContinuous waveforms

• DigitalDigital– Describes sound and light Describes sound and light

as a string of as a string of binary data binary data representations (1s and 0s)representations (1s and 0s)

– Provides exact reproduction Provides exact reproduction of sounds and colorof sounds and color

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Analog-to-Digital ConversionAnalog-to-Digital Conversion

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Digital PhotographyDigital Photography• Digital cameras: Capture and convert images to Digital cameras: Capture and convert images to

digital datadigital data

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Digital Camera SelectionDigital Camera Selection

• ““Point and click” or single lens reflex (SLR)Point and click” or single lens reflex (SLR)

• Research cameras onlineResearch cameras online– Construction qualityConstruction quality– FeaturesFeatures– Image qualityImage quality– Ease of useEase of use– Value for the costValue for the cost

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Digital Camera ResolutionDigital Camera Resolution

• Number of data points used in an imageNumber of data points used in an image

• Measured in megapixelsMeasured in megapixels– Mega means millionsMega means millions– Pixels are picture elementsPixels are picture elements

• Point-and-click camera resolutionPoint-and-click camera resolution– 2 MB to 10 MB2 MB to 10 MB

• SLR camera resolutionSLR camera resolution– Up to 16.7 MBUp to 16.7 MB

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Digital Camera StorageDigital Camera Storage

• Images are stored in a flash memory cardImages are stored in a flash memory card

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Digital Photo File FormatsDigital Photo File Formats

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Preparing to Take PhotosPreparing to Take Photos

• Take a spare battery packTake a spare battery pack

• Be sure the flash card is installedBe sure the flash card is installed

• Set the resolutionSet the resolution

• Decide whether to use Autofocus Decide whether to use Autofocus

• Check image stabilizationCheck image stabilization

• Immediately delete unwanted photosImmediately delete unwanted photos

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Transferring Photos to a ComputerTransferring Photos to a Computer

• Methods of transferring imagesMethods of transferring images– USB portsUSB ports– Flash card readersFlash card readers– WirelessWireless

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Making Old Photos DigitalMaking Old Photos Digital

• Digital scannersDigital scanners– Convert paper images into Convert paper images into

digitaldigital– Some scan film negativesSome scan film negatives– Quality is determined by Quality is determined by

resolutionresolution• DPI (dots per inch)DPI (dots per inch)

– Connect via USB or Connect via USB or FirewireFirewire

– Some support OCRSome support OCR• Optical character recognitionOptical character recognition

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Enhancing Photos and Adding Enhancing Photos and Adding Special EffectsSpecial Effects

• Image-editing softwareImage-editing software– Comes with cameraComes with camera– More powerful programs: More powerful programs:

Adobe Photoshop, Corel Adobe Photoshop, Corel Paint Shop ProPaint Shop Pro

• Types of enhancementTypes of enhancement– Remove red-eyeRemove red-eye– CropCrop– Correct color balanceCorrect color balance– Add filtering effectsAdd filtering effects

Dabble EmbossRippleOriginal

Click to see various photo effects

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Printing PhotosPrinting Photos

• Photo printersPhoto printers– Ink-jetInk-jet– Dye-sublimationDye-sublimation

Ink-jetDye-sublimation

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Digital VideoDigital Video

• Cell phonesCell phones• Digital camerasDigital cameras• WebcamsWebcams• Digital video camerasDigital video cameras

– Small and light weightSmall and light weight– Built-in hard disksBuilt-in hard disks– DVDDVD– Transfer files using Transfer files using

FireWire or USB 2.0FireWire or USB 2.0Older Model

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Preparing to Shoot VideoPreparing to Shoot Video

• Check battery powerCheck battery power

• Bring a backup batteryBring a backup battery

• Check storage capacityCheck storage capacity

• Use automated programs to control the Use automated programs to control the exposure settings exposure settings

• Use the antishake feature Use the antishake feature

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Transferring Video to the PCTransferring Video to the PC

• HardwareHardware– USB 2.0USB 2.0– DVDDVD– Flash memoryFlash memory

• SoftwareSoftware– Windows Windows

Import VideoImport Video– Windows Movie Windows Movie

MakerMaker– Adobe Adobe

PremierePremiere– Pinnacle Studio Pinnacle Studio

DVDV

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Editing Video and Editing Video and Adding Special EffectsAdding Special Effects

• Video-editing Video-editing softwaresoftware– Includes a Includes a

storyboard storyboard – Allows you to Allows you to

• Review Review clips frame clips frame by frameby frame

• Change Change sequence sequence of framesof frames

• Add Add transitions, transitions, titles, etc.titles, etc.

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Distributing VideoDistributing Video

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New Options for New Options for Quick Video DeliveryQuick Video Delivery

• Post videos on the web Post videos on the web (www.youtube.com)(www.youtube.com)

• Use a “Flip” camcorderUse a “Flip” camcorder

• Some cell phones record digital videoSome cell phones record digital video

• WebcamsWebcams