Yeah, uye iyo ndiyo imwe chinhu chakakosha kuziva nezve fomati. Yese kuchengeta inodzokorora kudzokorora kweiyo lossy encoder pamusoro pechifananidzo icho chaive chapfuura, saka artifacts compound - inoonekwa sekuvhara pamusoro pechinyorwa uye haloes pamakamuri mushure mekunzwa kwemakore. Edit kubva kune lossless master uye export to JPG once, at the end, rather than repeatedly opening and re-saving the same file. JPG iine kushaya: iyo mafoto inoshandurwa neDCT, inoitwa kuti iite mavara, uye inoitwa kuti iite mavara ane entropi, ine quality knob inodzora kuti ndezvipi zvinorwadza.
Nei camcorders uye capture kadhi vachiri kuburitsa JPG?
+
Nekuti format iri nyore kutoshamisa munguva chaiyo pa modest hardware, uye nekuti chizvarwa chekutora zvinhu zvakagadzirwa pamusoro apa uye kamwe chete akagadzirirwa. The device is not making a quality judgment, it is writing what its firmware knows. That is also why these files are large for what they contain and why converting them is usually the first thing anyone does. JPG ndiyo JPEG standard kubva 1992, uye mushure memakore matatu ichiri format yekamera dzakawanda uye mawebhusaiti akawanda anoshandisa mapikicha.
Nei shure kwechiratidziro changu chakabuda chichibuda chichibuda mu JPG?
+
Nekuti JPG haina alpha channel yekuichengeta. Kana uchida kuisa vhidhiyo, sarudza iyo vhidhiyo kubva ku "File" uye wozoiisa mu "File" pane yako desktop. Kana iwe uchida kuisa vhidhiyo pawebhusaiti, sarudza "File" kubva ku "Website" uye wozoiisa pawebhusaiti. Kana iwe uchida kuisa vhidhiyo pawebhusaiti, sarudza "Website" kubva ku "Website" uye wozoiisa pawebhusaiti. JPG haina kuratidzika, inoramba ichiderera nguva nenguva kana ichidzokororwa, uye inogadzira kukuvadza kwakanaka pamhando dzakapfava uye mazita akajeka.
JPG inogona kuchengeta CMYK color yeprinta?
+
Kunogona, izvo ndezvekuti faira kubva kuprint workflows dzimwe nguva zvinoonekwa zvakasiyana pa skrini: mavara anotaurwa mu ink percentages for a press rather than in light for a monitor. Web-facing formats anopfuura RGB chete, saka kushandurwa kunofanira kushandura, uye kushandurwa kunosvika - saturated cyan and orange shift most. For anything heading to a printer, keep the original alongside whatever you convert.
Chii chinoitika kana JPG achiri nemakore makumi matatu nemana?
