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{\title Dans l\'92espace suivant de l\'92exposition Cybermonde, vous allez pouvoir comparer les donn\'e9es de type analogique et num\'e9rique :}{\author MMLT}{\operator MMLT}{\creatim\yr1998\mo10\dy3\min19}{\revtim\yr1998\mo10\dy3\min19}{\version2}
{\edmins0}{\nofpages1}{\nofwords670}{\nofchars3821}{\*\company Maison}{\nofcharsws4692}{\vern71}}\paperw11906\paperh16838\margl851\margr1983\margt851\margb1417 
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\par 
\par 
\par 
\par }\pard \qj\nowidctlpar\widctlpar\adjustright {
\par A ton avis, quel type de signaux les technologies nouvelles vont-elles plut\'f4t employer et d\'e9velopper\~?
\par }\pard \qj\ri850\nowidctlpar\widctlpar\adjustright {
\par }{\lang1024 {\shp{\*\shpinst\shpleft427\shptop179\shpright4261\shpbottom1031\shpfhdr0\shpbxcolumn\shpbypara\shpwr3\shpwrk0\shpfblwtxt0\shpz1\shplid1027{\sp{\sn shapeType}{\sv 1}}{\sp{\sn fFlipH}{\sv 0}}{\sp{\sn fFlipV}{\sv 0}}
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\dpfillfgcr255\dpfillfgcg255\dpfillfgcb255\dpfillbgcr255\dpfillbgcg255\dpfillbgcb255\dpfillpat1\dplinew15\dplinecor0\dplinecog0\dplinecob0}}}}{
\par 
\par 
\par }{\lang1024 {\shp{\*\shpinst\shpleft9089\shptop106\shpright9993\shpbottom9478\shpfhdr0\shpbxcolumn\shpbypara\shpwr3\shpwrk0\shpfblwtxt0\shpz0\shplid1026{\sp{\sn shapeType}{\sv 160}}{\sp{\sn fFlipH}{\sv 0}}{\sp{\sn fFlipV}{\sv 0}}
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\dpfillfgcr255\dpfillfgcg255\dpfillfgcb255\dpfillbgcr0\dpfillbgcg0\dpfillbgcb255\dpfillpat1\dplinehollow}}}}{
\par 
\par }{\f18\fs48\cf2 Compression des images\~:
\par }{
\par 
\par Seules les images num\'e9ris\'e9es peuvent \'eatre comprim\'e9es.
\par 
\par 
\par Quels sont les deux types d\rquote appareil capable de num\'e9riser des photos\~?
\par 
\par 
\par }{\lang1024 {\shp{\*\shpinst\shpleft4687\shptop-1\shpright8095\shpbottom851\shpfhdr0\shpbxcolumn\shpbypara\shpwr3\shpwrk0\shpfblwtxt0\shpz3\shplid1029{\sp{\sn shapeType}{\sv 1}}{\sp{\sn fFlipH}{\sv 0}}{\sp{\sn fFlipV}{\sv 0}}
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{\shp{\*\shpinst\shpleft143\shptop-1\shpright3835\shpbottom851\shpfhdr0\shpbxcolumn\shpbypara\shpwr3\shpwrk0\shpfblwtxt0\shpz2\shplid1028{\sp{\sn shapeType}{\sv 1}}{\sp{\sn fFlipH}{\sv 0}}{\sp{\sn fFlipV}{\sv 0}}
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\dpfillfgcr255\dpfillfgcg255\dpfillfgcb255\dpfillbgcr255\dpfillbgcg255\dpfillbgcb255\dpfillpat1\dplinew15\dplinecor0\dplinecog0\dplinecob0}}}}{
\par 
\par 
\par 
\par 
\par 2 \'e9tapes sont n\'e9cessaires pour la num\'e9risation d\rquote une image\~:
\par }{\lang1024 {\shp{\*\shpinst\shpleft5539\shptop220\shpright7429\shpbottom737\shpfhdr0\shpbxcolumn\shpbypara\shpwr3\shpwrk0\shpfblwtxt0\shpz4\shplid1030{\sp{\sn shapeType}{\sv 1}}{\sp{\sn fFlipH}{\sv 0}}{\sp{\sn fFlipV}{\sv 0}}
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\dpfillfgcr255\dpfillfgcg255\dpfillfgcb255\dpfillbgcr255\dpfillbgcg255\dpfillbgcb255\dpfillpat1\dplinew15\dplinecor0\dplinecog0\dplinecob0}}}}{
\par }\pard \qj\ri-1\nowidctlpar\widctlpar\adjustright {1) l\rquote \'e9chantillonnage qui d\'e9termine le nombre de \tab \tab \tab \tab (points)
\par 
\par 
\par 2) la quantification de chaque point ( Niveau de gris pour le Noir et Blanc ou couleurs primaires Magenta Cyan et Jaune pour les couleurs)\tab 
\par }\pard \qj\ri850\nowidctlpar\widctlpar\adjustright {
\par L'\'e9chantillonage et la quantification d\'e9terminent le volume en donn\'e9es num\'e9riques d\rquote une image:
\par On effectue la multiplication des deux nombres obtenus (\'e9chantillonage et quantification) , 
\par Ce nombre a pour unit\'e9 les M\'e9gaBytes, ou Mbytes. (aussi \'e9crits ici Mbits)
\par 
\par 
\par }}

/home/photograt/gerard-clavet-photos.com/AutreJML4/STIP/Ressources/Analogiqueounumeriquepage5.rtf