Analog ama digital camera video, taas oo ka wanaagsan?

Kaamirada na ku farxi wakhti dheer dheer, sababta oo ah markii ugu horeysay waxay noqdeen in ku todobaatanaadkii ee qarnigii la soo dhaafay caan ah. Waayo, kanu qadar hufan oo waqti 40 sano, kaamirooyinka soo maray tiro badan oo isbeddel ah, laga bilaabo hoos ee size iyo soo afjaridda la mabda'a ah gebi ahaanba kala duwan ee hawlgalka. Sidaa darteed, hadda ka badan sidii hore, ku dhawaad guri walba uu leeyahay wanaagsan fiidiyo jaban ama xirfadeed iyo fanaaniinta camera video, taas oo ka wanaagsan - waa arrin aad doorato qof ahaaneed.

Analog ama digital camera video, taas oo ka wanaagsan?

The code isha asalka ah ee camera video ugu horeysay, dabcan, waxay leedahay model analoogga ay. Analog camera video waxaa had iyo jeer lagu gartaa dhinacyo cajiib ah oo awood daran. Iyo macluumaadka oo dhan waa la qalab ah oo la had iyo jeer duubay cajalad ah, kuwaas oo, kadis ah, ayaa sidoo kale lagu sameeyay tiro badan oo isbedel ah. Waxaa la Been abuurtay cayn kasta oo ah qaabab video duubo analog, ka VHS inay Video 8, laakiin ugu danbeyn, oo dhan oo ka mid ah tabo cusub oo duurka ku ah kamaradaha analog, by fog, si fudud waa taariikh.

Iyadoo uu sal u ah tayada liidata ee kamaradaha analog in ay toogtaan wax ka, iyo sidoo kale dhibaatooyin la processing mid ah waxyaabaha la, taasoo keentay saarayaasha kaamirooyinka video ay awoodaan si loo helo hab wanaagsan oo ka soo baxay xaaladda this. Waxaa asal iyo lug format a video cusub, loo yaqaan duubo signal digital. format image video Digital si buuxda ula qabsanay dhibaatooyinka analog ah, iyo in lagu daro macluumaad duuban oo si fudud loo gudbin karaa computer ah.

The cabbir oo ka mid ah kamaradaha digital in 2-5 jeer ka yar awowayaashood analog, iyo macluumaadka lagu duubay on CD ah, cajalad video yar ama kaadhka xusuusta. The qaabab badan loo isticmaalo ee lagu qoro video digital waxaa loo tixgeliyaa micro MV, DV mini, DVD iyo MPEG4. Labada images ugu horeysay waxaa duubay oo ku saabsan video, DVD on CD, iyo MPEG4 toos ah ku kaadhka xusuusta, iyadoo jidka ag fadhida, version ugu dambeeyey, sida runta ah aniga, ugu haboon iyo wax ku ool ah. Sidaa darteed, in khilaafka, kaas oo ku lug leedahay analog ah oo camera a video digital, taas oo ka wanaagsan oo aan baad u odhan kartaa, sababtoo ah wax walba waa sida maanta si cad.

Optics, zoom, stabilizer, iyo Gudigga kale.

Sifada loo on qaabka video digital, dareenka yar lahayn in la bixiyo, in ay optics aad fiidiyo ee. Mid ka mid ah kooxda adduunka ugu of video iyo qalabka audio, JVC tusaale ahaan, joojisey in camera video ah, oo aad indhaha oo kaliya, gaar ahaan loo sameeyey oo loogu talagalay nooc gaar ah oo fiidiyo. Laakiin shirkadaha sida Panasonic iyo Sony door bidaan in ay ku kalsoon tahay shirkad optics soo saarka gaar ah, Carl Zeiss. Sida xaqiiqada ah aad hore u maqlay oo ku saabsan brand this maxaa yeelay Carl Zeiss optics waxaa loo arkaa mid ka mid ah kuwa ugu wanaagsan, ma aha mid ka mid ah boqol sano.

fiidiyo ayaa sidoo kale zoom joogo in kuu ogolaanayaa inaad Mozilla in image dhowr jeer, sida caadiga ah ee toban, laakiin run, waa in zoom ee camera video digital waxaa kaliya loogu talagalay show. Xaqiiqada ah in habka of video nool isticmaalaya shaqo zoom ku fiidiyo ah digital waa mid aad u boolidii tayada image keentay, ie image ku soo socdo, iyo tirada pixels on lid ku noqdo yar yar.

Taageerayaasha of toogtay video, waxaa inta badan soo wajahay dhibaato yar inta lagu jiro toogashada. camera gacanta lagu qabto waxaa ruxaya waxoogaa yar, sababtoo ah rasaas meel dhaqdhaqaaqa, ugu danbeyn la helo sawirka sidoo kale gariirin karin. In si ay u soo saarto jitter ugu badan waa in jir ah, kaamirada casri ah ay leeyihiin stabilizer a, taasoo shaqo weyn ee goan yahay haynta ee images ka eegmo yar.

Dabcan, waa la jecel yahay in fiidiyo lahaa tirada ugu badan ee suurtogalka ah ee Xidhiidhiyayaasha dheeraad ah. Waa wax aan macquul in la yidhaahdo oo si hubaal weyn in coolest mid ama wax kale oo camera video ah, taas oo ah yaa idiin khayr badan, in shuruuda ugu weyn. By habka fiidiyo ugu fiican 2011 malaha waa Canon LEGRIA HF M41, hase ahaatee model cusub ee Sony, Panasonic iyo JVC waa lagama yaabo in la siiyo si ay iyada oo timir ah mustaqbalka dhow.