Vhidhiyo matekinoroji aripo nhasi idhijitari. Pavaive vasati vakura, nyanzvi dzakapikisa kuti vhidhiyo yedhijitari yaive yakaipa zvakanyanya kupfuura analog, nekuti yekupedzisira yaive neruzivo rwakawanda. Kunyangwe kana ichi chaive chokwadi pakutanga, hachisiri chokwadi nhasi. Kufambira mberi kwakaitwa mumakore achangopfuura kwakaita kuti zvikwanise kutora ruzivo rwakawanda kubva pamufananidzo wega wega uye izvi zvinoshanda zvese mune yehunyanzvi ndima uye neyavamateurs. Makumi gumi chete apfuura, vashandisi vaive nemaanalogog ekurekodha masisitimu anokwanisa kutomiririra mitsara mazana maviri nemakumi mashanu, nepo nemaitiro edhijitari anhasi, mifananidzo ine mitsara inopfuura mazana mashanu inogona kuwanikwa, ndokuti, kanopfuura kaviri. Mifananidzo yeVhidhiyo panguva ino zvakare iri yedhijitari mune ese maitiro, kubva mukutora kuburikidza nekutapurirana, kuchengetedza uye kugadzirisa, kumiririra pane echizvino chizvarwa skrini. Izvi zvakakosha kwazvo. Ipo iine kujekesa kweanalogog uye dudziro yemufananidzo zvakarasika nhanho imwe neimwe uye nekunyengedza kwega kwega kwakaiswa chepakutanga, nevhidhiyo yedhijitari hapana mhando yekusabvisa kana kupfeka pakati pezvizvarwa.
Sezvaunoziva, izwi rekuti vhidhiyo yekugadzira rinoshandiswa kutsanangura mhedzisiro yekuteedzana mananisirwo ayo vhidhiyo inoiswa. Kana isu tikarasa zvekutanga papc, isu tine chizvarwa chekutanga. Kana isu tikaruramisa iro ruvara rwemufananidzo kubvisa yero cast, semuenzaniso, mhedzisiro ichave yechipiri chizvarwa vhidhiyo, zvichingodaro. Muvhidhiyo yekare yeanalogog, akawanda mazera, iwo akaderera iwo mhando.
Makamondi ane nzira yakasarudzika yekutora mifananidzo. Ivo havavatore ivo sechinhu chinoramba chichienderera mberi sezvaunenge uchitoziva. Vanozviita vachishandisa mapikiseli, inova chikamu chepasi chekuyera. Kuti vaite izvi, vanokamura chifananidzo muzvikamu zvidiki uye vanopa akasiyana masvomhu kukosha kune yega yega zvichienderana nesimba rechiedza uye nemuvara wakakura mune chimwe nechimwe chidimbu. Pixel imwe neimwe inoenderana nesero riri paCCD. Ruzivo kubva kumaseru ese rwakakamurwa kuva ruzivo ruzivo rwunoenderana nemufananidzo wakazara kuitira kuti mufananidzo processor agone kuumbazve. Iyo yekuvakazve inoitwa poindi nepfungwa, ichitiisa muhurongwa uye nemavara anodikanwa uye masimba. Icho chiitiko chinopedzwa muzvuru zvechipiri.
Ramba uchifunga kuti kuti unzwisise vhidhiyo chiratidzo, iwe unofanirwa kuziva maviri mafungire: kuvhenekera uye chrominance. Iko kuvhenekera kunomiririra kuvhenekerwa kwechiratidzo, chimwe chinhu senge monochrome mufananidzo nehukuru hwayo hwegrey. Chrominance inopa ruzivo pamusoro pekusimba kwemavara mumufananidzo, asi kuburikidza nechikamu icho icho chine yega yeiyo mavara ekutanga: tsvuku, girini uye bhuruu.
Sezvauri kuona, tiri kutaura nezvemifananidzo pachinzvimbo chemavhidhiyo, sekunge maccorder anotora mifananidzo; Iwe haungave uri kure nezvazviri kana ndiwo marondedzero aunoita. Iwe uchaziva kuti iyo cinema hachisi mufananidzo unofamba, asi kukurumidza kwazvo kuteedzana kwemafuremu makumi maviri nemana pasekondi. Nekuda kwechiitiko chekuona kwevanhu chinonzi Kutsungirira kwemaoneroHatisi kukwanisa kufungidzira mifananidzo yacho zvakasiyana, asi tinovaona sesangano rinopfuurira. Inoda kuziva nekuti kunyangwe mushure memakumi emakore emufirimu neterevhizheni takadzidza kusiyanisa mifananidzo iyi inofamba kubva pachokwadi, vateereri vekutanga vakapinda muchirongwa chemufirimu vakatiza vachitya pamberi pechitima chaienda kuchiratidziri, nekuti vanga vasati vadzidza kuziva iyo cinematic mufananidzo kubva kune chaiye. Muchokwadi izvi zvakaitika kana uchiratidzira kuteedzera kwehama dzeLumiere «LKusvika kwechitima kuchiteshi chela ciotat»
Ichokwadi ndechekuti vhidhiyo uye firimu zvakafanana, kunyangwe zvichisiyana muhunyanzvi hwekutora mifananidzo. Sirivheri emulsions anoshandiswa mu cinema, nepo vhidhiyo ichitora mukana wekugona kwechiedza kushandura kuita magetsi uye zvinopesana. Nekudaro, kana isu tichiona vhidhiyo firimu, haisi kuenderera. Isu tiri kunyatso tarisa akateedzana emadhijitari mapikicha, pamwero wemafuremu makumi maviri neshanu sekondi Icho chikonzero ndechekuti kuSpain iyo terevhizheni system inoshandiswa PAL (Chikamu Chinosiyana Mutsara), iyo inomiririra mufananidzo ne625 mitsara yakatwasuka, uye inoratidza mifananidzo makumi maviri neshanu pasekondi. Chokwadi iwe wakanzwawo nezvehurongwa NTCS (National Terevhizheni System Komiti), kutepfenyurwa neUnited States neJapan, iyo inoratidza 30 mifananidzo pasekondi yemitsara 575 imwe neimwe Nyanzvi dzinodaidza yega yeiyi mifananidzo "pikicha", iyo dudziro yezwi reChirungu furemu.
Inonakidza kwazvo. Kutenda kuzhinji.