kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
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xvi (24 sawyisi baiti da luwobaze kontrolis baitebi),<br />
romelsac qvekodis baiti (informacia bilikis<br />
Sesaxeb) emateba. sabolood yoveli blokisTvis<br />
33-baitiani ricxvi miiReba.<br />
nafxaWnebis da fizikuri dazianebis gavlenis<br />
minimizaciisTvis, romlebic, rogorc wesi, mezobel<br />
blokebs azianebs, blokebSi Cawera araTanmimdevrulad,<br />
109 blokis gamotovebiT sruldeba. es blokebi<br />
ara TanmimdevrobiT, aramed sxvadasxva seqtorebSi<br />
aris ganTavsebuli, rac TanmimdevrobiT wasakiTx monacemebze<br />
nafxaWnebis da fizikuri dazianebebis gavlenas<br />
amcirebs.<br />
CIRC-teqnologia rogorc audio, aseve CD-<br />
ROM-diskebis Caweris dros gamoiyeneba da 3784 biti<br />
(2,6 mm) Secdomis gasworebis SesaZleblobas iZleva.<br />
musikalur kompaqt-diskebSi damatebiT interpolaciis<br />
meTodic gamoiyeneba, romelic 13282 biti<br />
(8,9 mm) Secdomis gasworebis saSualebas iZleva. interpolacia<br />
monacemebis miaxloebiTi gamoTvlis da<br />
gasaSualoebis meTodiT aRdgenis saSualebas iZleva.<br />
musikaluri firsakravi kompaqt-diskze Caweril cifrul<br />
informacias analogur signalebad gardaqmnis,<br />
romelic stereogamaZliereblis mier muSavdeba. am<br />
dros msmenelma mcire xarvezi SeiZleba verc ki SeamCnios.<br />
interpolaciis meTodi CD-ROM-diskebSi ar gamoiyeneba,<br />
radgan CD-ROM-diskidan monacemTa araswori<br />
wakiTxva dauSvebelia. amitom, CD-DA diskebisgan<br />
gansxvavebiT, CD-ROM-diskebi ZiriTad monace-<br />
155<br />
mebTan erTad didi moculobis damatebiT ECC (Secdomebis<br />
koreqciis kodi) informacias Seicavs.<br />
diskze monacemTa kodireba<br />
98 blokis erT seqtorad gaerTianebis Semdeg<br />
iwyeba informaciis kodirebis procesi _ EFM (Eightto-fourteen<br />
Modulation) modulacia. monacemTa yoveli<br />
baiti (8 biti) 14-Tanriga kodad gardaiqmneba. kodi<br />
iseTnairadaa damuSavebuli, rom ricxvi ar SeiZleba<br />
zedized Seicavdes 2-ze nakleb da 10-ze met 0-s.<br />
kodirebis mocemul wess, Caweris velis Sez-<br />
Ruduli sigrZiT (RLL – Run Length Limited), ewodeba RLL<br />
2,10 (zogadad RLL x,y, sadac x _ nulovani bitebis<br />
velis minimaluri, xolo y _ maqsimaluri sigrZea).<br />
cxrilSi 5.2 warmodgenilia N da O simboloebis<br />
warmodgena kompaqt-diskze Caweris win, xolo<br />
nax. 5.5-ze _ kompaqt-diskze Caweris Semdeg.<br />
RLL 2,10 kodirebis magaliTi<br />
simbolo N O<br />
156<br />
cxrili 5.2<br />
orobiTi ASCII kodi 01001110 01001111<br />
RLL kodi 00010001000100 00100001000100<br />
gamaerTianebeli<br />
bitebi<br />
nax. 5.5. monacemebis EFM-kodireba kompaqt-diskze
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