6.111 Newscasting6.111 NewscastingObinna AnyanwuObinna AnyanwuJyotsna VenkataramananJyotsna VenkataramananOverviewOverviewAim: To create a do-it-yourself newscastAim: To create a do-it-yourself newscastBlock diagramBlock diagramDivision of LaborDivision of LaborObinna:Obinna:Input Input Video ProcessingVideo ProcessingJyotsna:Jyotsna:ControlControlOutputOutputInputInput Generation of the NTSC-decoder chip initialization signalsGeneration of YCrCb dataGeneration of vertical and horizontal synchronization signalsVideo ProcessingVideo ProcessingImage Composition module generates the composite video signal to be outputChroma keying is commonly known as blue screeningControlControlAllows user to take pictures and stores these in Allows user to take pictures and stores these in memorymemoryAllows the user to switch between picturesAllows the user to switch between picturesAllows input of text directly into screenAllows input of text directly into screenOutputOutputOutput is finally displayed onto a VGA Output is finally displayed onto a VGA monitormonitorSignals from the image composition block Signals from the image composition block go to the ADV7125 Video DAC.go to the ADV7125 Video DAC.ImprovementsImprovementsSecond camera to allow real-time feedSecond camera to allow real-time feedMultiple display optionsMultiple display optionsAdding a graphical interfaceAdding a graphical interfaceTimelineTimeline11/1611/16Input module Input module ycrcb to rgb convycrcb to rgb conv11/2311/23Address generation moduleAddress generation moduleText display moduleText display moduleConversion modulesConversion modulesImage composition moduleImage composition module11/3011/30Display FSMDisplay FSMOutput moduleOutput moduleVideo BufferingVideo Buffering12/0712/07Working prototypeWorking
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