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Multimedia:Types of media: Linear, Non Linear

WWW: World Wide Web maintained & developed by World Wide Web Consortium (W3C)HTTP: Hyper Text Transfer Protocol is stateless request/response protocolRequest Format: Response Format:

METHOD URI Version Version Status-Code Status-PhraseAdditional-Headers Additional-Headers

Message-Body Message-BodyEx: GET http://www.google.com HTTP/1.1 HTTP/1.1 200 OK ServerHTTP methods: GET/ POSTHTML: Hyper Text Markup Language, collection of tags with format DHTML: Dynamic HTML with CSS (Cascading Style Sheet)XML: Extensible Markup Language: full structured language using DTD (Document Type Definition)XSL: XML Style Sheet for XML presentation: it is CSS for XML.XSL parts: XSL Transformations (XSLT), XML Path Language (XPath), XSL Formatting ObjectsSMIL: Synchronized Multimedia Integration Language for multimedia presentation using markup language.SMIL 2.0: is specified by XML using modularization, Language Profiles.SMIL tags: , ,,,Multimedia Components: Text, Image, Video, Audio, Graphics; Color components: Red, Blue, Green (Alpha)Types of Graphics/Image Representation:1-bit/binary/monochrome image: 1 pixel or pel takes 1 bit with 2 colors (black (0), white (1))

8-bit gray/ bitmap scale image: 1 pixel takes 8 bit bits with 256 colors (0-255),Resolution: number of pixels in image; Aspect ration: ratio between width & height of image Ex: 4:3Frame buffer: used to store image in hardware.

24-bit image: 1 pixel takes 24 bits with (256)3 colors; but it takes 32 bits as R+G+B (24 bits)+ Alpha (8 bits)=328-bit color image: 1 pixel takes 8 bits with 256 selected colors using color histogram, with Color Look up Table.Image file formats:GIF: Graphics Interchange Format by UNISYS with GIF87a, GIF89a versions; GIF Components: GIF signature,

Screen Descriptor, Global Color Map, Local Color Map, Image Descriptor, Raster Data, GIF terminator.JPEG: Joint Photographic Experts Group by ISOPNG: Portable Network Graphics; TIFF: Tagged Image File Format; EXIF: Exchange Image File;PS: Post Script PDF: Portable Document Format WMF: Windows Meta File BMP: BitMapColor models for Images: RGB (additive) for CRT displays, CMY (subtractive color model), CMYK for printersColor models for Videos: YUV for PAL video, YIQ for NTSC or TV broadcasting, YCbCr for digital video.Types of Video signals: (Analog and Digital)

Component video: 3 lines(R, G, B), used YUV/ YIQ, no crosstalk, with more bandwidth, good synchronization.Composite Video: 2 lines (Chrominance/Color, Luminance/Intensity), uses YUV/YIQ, for VCRs.Super Video: 2 lines (luminance, composite signal), , more cross talk, low band width.Analog video types:NTSC video: by North America & Japan, with 30 fps, 525 scan lines, 6.0 MHz channel width, 4:3 aspect ratio.PAL Video: Phase Altering Line, by Germans, with 25 fps, 625 scan lines, 8.0 MHz channel width, 4:3 aspect ratio.SECAM video: Systeme Electronique Couleur Avec Memorie, 25 fps, 625 scan lines, 8.0 MHz channel width, 4:3.Digital Video types:Chroma Subsampling: 4:4:4, 4:2:2, 4:1:1, 4:2:0CCIR: Consultative Committee for International Radio, versions: CCIR 601, CCIR 601, CIF, QCIF;Digitization: Quantization, Sampling Sample Rate: number of samples per secondNyquest therom: falias=fsampling-ftrue or ftrue


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to the movie clip.

beginFill(rgb:Number, [alpha:Number]) : Void Indicates the beginning of a new drawing path.

beginGradientFill(fillType:String, colors:Array, alphas:Array, ratios:Array, matrix:Object) : Void Indicates thebeginning of a new drawing path.

clear() : Void Removes all the graphics created during runtime.

createEmptyMovieClip(name:String, depth:Number) : MovieClip Creates an empty movie clip as a child of anexisting movie clip.createTextField(instanceName:String, depth:Number, x:Number, y:Number, width:Number, height:Number) :TextField

Creates a new, empty text field as a child of the movie clip on which you call this method.curveTo(controlX:Number, controlY:Number, anchorX:Number, anchorY:Number) : Void Draws a curveduplicateMovieClip(name:String, depth:Number, [initObject:Object]) : MovieClip Creates an instance of thespecified movie clip.

endFill() : Void Applies a fill to the lines and curves added since the last call to beginFill() or beginGradientFill().

getURL(url:String, [window:String], [method:String]) : Void Loads a document from the specified URL into thespecified window.

gotoAndPlay(frame:Object) : Void Starts playing the SWF file at the specified frame.gotoAndStop(frame:Object) : Void Brings the playhead to the specified frame of the movie clip and stops itthere.lineStyle(thickness:Number, rgb:Number, alpha:Number, pixelHinting:Boolean, noScale:String, capsStyle:String,

jointStyle:String, miterLimit:Number) : VoidSpecifies a line style that Flash uses for subsequent calls to lineTo()and curveTo().

lineTo(x:Number, y:Number) : VoidDraws a line using the current line style from the current drawing position to

(x, y).loadMovie(url:String, [method:String]) : Void Loads SWF or JPEG files into a movie clip in Flash Player.

moveTo(x:Number, y:Number) : Void Moves the current drawing position to (x, y).

nextFrame() : Void Sends the playhead to the next frame and stops it.

play() : Void Moves the playhead in the Timeline of the movie clip.

prevFrame() : Void Sends the playhead to the previous frame and stops it.removeMovieClip() : Void Removes a movie clip instance.

setMask(mc:Object) : Void Makes the movie clip in the parameter mc a mask that reveals the calling movie clip.

stop() : Void Stops the movie clip currently playing.

unloadMovie() : Void Removes the contents of a movie clip instance.MovieCip Class Events:

onEnterFrame = function() {} Invoked repeatedly at the frame rate of the SWF file.

onKeyDown = function() {} Invoked when a movie clip has input focus and a key is pressed.

onKeyUp = function() {} Invoked when a key is released.

onLoad = function() {} Invoked when the movie clip is instantiated and appears in the Timeline.onMouseDown = function() {} Invoked when the mouse button is pressed.

onMouseMove = function() {} Invoked when the mouse moves.

onMouseUp = function() {} Invoked when the mouse button is released.

onPress = function() {} Invoked when the user clicks the mouse while the pointer is over a movie clip.

onRelease = function() {} Invoked when the mouse button is released over a movie clip.onRollOut = function() {} Invoked when the pointer moves outside a movie clip area.

onRollOver = function() {} Invoked when the pointer moves over a movie clip area.Math Class Methods:

abs(x:Number) : NumberComputes and returns an absolute value for the number specified by the parameter x.

acos(x:Number) : NumberComputes and returns the arc cosine of the number specified in the parameter x, inradians.asin(x:Number) : NumberComputes and returns the arc sine for the number specified in the parameter x, inradians.

atan(tangent:Number) : NumberComputes and returns the value, in radians, of the angle whose tangent.ceil(x:Number) : Number Returns the ceiling of the specified number or expression.

cos(x:Number) : Number Computes and returns the cosine of the specified angle in radians.

exp(x:Number) : NumberReturns the value of ex.

floor(x:Number) : NumberReturns the floor of the number or expression specified in the parameter x.

log(x:Number) : NumberReturns the natural logarithm of parameter x.

max(x:Number, y:Number) : NumberEvaluates x and y and returns the larger value.

min(x:Number, y:Number) : NumberEvaluates x and y and returns the smaller value.

pow(x:Number, y:Number) : NumberComputes and returns x to the power of y.

random() : NumberReturns a pseudo-random number n, where 0


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length of the array.

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