Framerate: Ndi Chiyani Ndipo Chifukwa Chiyani Ndi Yofunika?

pa kim Zasinthidwa: June 28, 2022

Mukawonera kanema kapena pulogalamu yapa kanema wawayilesi, kapena kusewera masewera apakanema, kuchuluka kwa mafelemu omwe amawonetsedwa pamphindikati iliyonse kumatsimikizira momwe makanema ojambulawo amawonekera bwino. Chiwerengero cha mafelemu pa sekondi iliyonse chimadziwika kuti frameratekapena FPS. Ndizofunikira chifukwa zingakhudze kwambiri momwe mumawonera. Nkhaniyi ifotokoza chiyani framerate ndi chifukwa chake ndikofunikira pakupanga media, zosangalatsa, masewera, ndi ntchito zina.

Framerate imayesedwa mu mafelemu pamphindikati (FPS). Ma fps apamwamba nthawi zambiri amatanthauza makanema osavuta momwe zosintha zambiri zikuchitika sekondi iliyonse. Framerate ndichinthu chofunikira kwambiri pakuwonera makanema, kusewera masewera apakanema ndi zochitika zina zilizonse zomwe zimaphatikizapo kusuntha pazenera. Mukawonera makanema ndi makanema apa TV, mulingo wokhazikika ndi mwina 24FPS kapena 30FPS; pamasewera ndi mapulogalamu ena omwe amafunikira kuthamanga kwambiri, ma framerate apamwamba monga 60FPS zitha kukondedwa.

Ma framerate apamwamba amafunikira mphamvu zambiri zogwirira ntchito zomwe zimatha kuwonjezera nthawi zolemetsa dongosolo komanso kukupatsani zowoneka bwino; mitengo yotsika imathanso kusunga zida za Hardware za ma GPU ndi ma CPU kuti agwiritse ntchito pamisonkho yambiri monga kuwerengera kwa AI kapena kuyerekezera kwa fizikisi.

Kodi Framerate ndi chiyani?

Framerate ndiye muyeso wa mafelemu angati omwe amawonetsedwa pa sekondi imodzi muzotsatira zamakanema kapena makanema. Ichi ndi metric yofunikira ikafika popanga a yosalala zoyenda zotsatira mu makanema kapena makanema. Nthawi zambiri, kukweza kwa framerate, kumayenda bwino.

M'nkhaniyi, tikambirana zoyambira za framerate ndikukambirana chifukwa chake ndizofunikira.

Mitundu ya Framerates

Kumvetsetsa mitundu yosiyanasiyana ya ma framerate ndi zomwe zimatanthawuza pakuwonera kwanu kungakhale kovuta. Pali mitundu ingapo ya ma framerate omwe muyenera kuwaganizira, ndipo iliyonse imapereka mapindu osiyanasiyana ikafika pazomwe muli. Nthawi zambiri, kuchuluka kwa framerate kumapangitsa kuti chithunzicho chiwoneke bwino pazenera lanu.

Mitundu yodziwika kwambiri ya ma framerate ndi awa:

• Mafelemu 24 pa sekondi iliyonse (FPS) - Uwu ndiye mulingo wofananira wamakanema ambiri ndipo wakhala ukugwiritsidwa ntchito kuyambira masiku oyambilira opanga mafilimu. Imapereka kusuntha kosasunthika koma imasowa mwatsatanetsatane chifukwa chakuchepa kwake.
• Mafelemu 30 pa sekondi iliyonse (FPS) - Izi nthawi zambiri zimagwiritsidwa ntchito pa kanema wawayilesi ndi makanema apa intaneti chifukwa zimathandizira kuyenda bwino ndikusunga tsatanetsatane wabwino. Ndichisankho chodziwika bwino m'masewera apakanema pomwe nthawi zambiri simufunika ma FPS opitilira 30 pamasewera osalala.
• Mafelemu 60 pa sekondi iliyonse (FPS) - Ndi mawonekedwe opitilira kuwirikiza kawiri poyerekeza ndi 24 FPS kapena 30 FPS, izi zimagwiritsidwa ntchito potsata zochitika mwachangu chifukwa zimapereka mawonekedwe osalala modabwitsa popanda zododometsa kapena jitters. Ndikwabwinonso kuyenda mwachangu chifukwa zinthu zomwe zili m'mavidiyo oyenda pang'onopang'ono zimafotokozedwa bwino komanso zosavuta kuzitsatira popanda zovuta.
• Mafelemu 120 pa sekondi iliyonse (FPS) - Izi zimagwiritsidwa ntchito pokhapokha ngati kuthamanga kwamasewera kuli kofunikira, monga kuwombera pang'onopang'ono kapena mawonekedwe apadera. Ndizothandiza kwambiri popanga zowoneka bwino zomwe zimapereka zenizeni komanso zowonera mozama popanda kugwedezeka kapena kusawoneka bwino pakusewerera pamlingo uliwonse wa liwiro.

Ubwino wa Mafelemu Apamwamba

High framerate zingakhale zothandiza m'njira zingapo. Kwa owonera, imatha kukonza zenizeni komanso kusalala kwa makanema ojambula, kupangitsa kukhala kosavuta kuyang'anira zinthu zomwe zikuyenda mwachangu kapena mayendedwe. Zimathandizanso kuchepetsa kusasunthika komanso kupereka zowoneka bwino m'masewera kapena mukusewera masewera apakanema.

Mafelemu apamwamba amalola mafelemu ambiri pamphindikati (FPS) zomwe zikutanthauza kuti kusuntha kwa chimango chilichonse chowonekera pazenera kumakhala kosavuta komanso kudulidwa kosalala pakati pa mafelemu kumatheka. Izi zimachepetsa kapena zimachotsa choppiness nthawi zambiri imawoneka mumayendedwe ang'onoang'ono. Frarerate yapamwamba imathandizanso kuti zithunzi ziziwoneka bwino polipira kusayenda bwino komanso kunjenjemera (kuwonongeka komwe kumachitika chifukwa cha nthawi yayitali).

Kwa opanga mafilimu, ma framerates apamwamba amathanso kupereka zabwino monga kuchuluka kwakuya kwamunda, kulola kuti zithunzi zatsatanetsatane ziwonekere kutali ndi kamera. Kuwonjezeka kwatsatanetsatane kumeneku kumapereka ufulu wochulukirapo popanga kuwombera. Mafelemu okwera amathanso kuchepetsa zovuta zowonekera zomwe nthawi zina zimachitika chifukwa cha kuchepa kwa kuwala kuchokera kumawilo ocheperako a shutter omwe amagwiritsidwa ntchito kujambula mayendedwe pamitengo yotsika.

Ponseponse, kukhala ndi mwayi wosankha kuwombera m'mafelemu apamwamba kwambiri kumapatsa opanga mafilimu kuwongolera momwe makanema awo amawonekera akawonedwa munthawi yeniyeni ndipo chifukwa chake ndiwopindulitsa pamapulogalamu angapo pano komanso kupita patsogolo pazopanga zamtsogolo.

Kodi Framerate Imakhudza Bwanji Ubwino Wavidiyo?

Framerate ndi gawo lofunikira pamtundu wonse wamavidiyo. Zimatsimikizira kuchuluka kwa mafelemu omwe akuwonetsedwa mu sekondi imodzi. Mafelemu okwera amabweretsa mavidiyo osalala, okhala ngati moyo. Kutsika kwa framerate kumapangitsa kuti kanemayo aziwoneka ngati wosasunthika komanso wosasalala.

Mugawoli, tiwona momwe framerate imakhudzira mtundu wamavidiyo:

Framerate ndi Motion Blur

Framerate ya kanema imayesedwa mu mafelemu pamphindikati (fps). Zimakhudza kusawoneka bwino komanso kusalala kwa kanema. Kukwera kwa framerate, m'pamenenso mumapeza mafelemu ambiri sekondi iliyonse, kutanthauza chithunzi chowoneka bwino komanso cholondola chamayendedwe.

Motion blur ndi chodabwitsa chomwe chimachitika pamene chinthu kapena munthu asuntha mwachangu, ndikupanga kusawoneka bwino kapena mizere yowonekera pazenera. Tsoka ilo, izi sizikuwoneka bwino ndipo zimapangitsa makanema anu kuwoneka otsika. Kutengera momwe zinthu zikuyendera m'malo mwanu, muyenera kusintha mawonekedwe anu kuti muchepetse kuwoneka bwino momwe mungathere.

• Kwa ambiri ntchito monga mavidiyo atsiku ndi tsiku komanso kusakatula pa intaneti, 30 FPS imapereka mafelemu ambiri pamphindi imodzi ndikusunga masaizi oyenera a mafayilo.
• Kuonjezera framerate yanu kuti 60 FPS zipangitsa kuti kusasunthika koyenda bwino komanso makulidwe akulu akulu chifukwa cha kuwirikiza kwa mafelemu.
• Kwa zochitika zoyenda pang'onopang'ono kapena zochitika zomwe kulondola ndikofunikira monga masewera ndi masewera kuwulutsa, ena videographers amakonda wapamwamba wapamwamba framerates kuyambira mpaka 240 FPS pazithunzi zosalala zoyenda pang'onopang'ono - ngakhale izi zikuyenera kugwiritsidwa ntchito ngati kuli kofunikira chifukwa zimachulukitsa kukula kwa fayilo popanda kupereka kuwongolera kokwanira pakugwiritsa ntchito tsiku ndi tsiku.

Framerate ndi Motion Artifacts

Framerate ndi zoyenda ndi mawu awiri ofunikira kuti mumvetsetse poganizira zamtundu wamavidiyo. Zoyenda onetsani kusokonekera komwe kumachitika ngati chiwongolero cha vidiyo chili chotsika kuposa chofunikira powonetsa zochita zina, makamaka kuyenda mwachangu pamasewera ndi zochitika monga karate. Kuyenda kukathamanga kwambiri kwa framerate, kumatha kuyambitsa woweruza kapena kutsalira pachithunzichi zomwe zimapangitsa kuti zikhale zovuta kapena zosatheka kuti muwone bwino zomwe zikuchitika, zomwe zimatsogolera ku chithunzi chopotoka kapena chosakwanira.

Kuphatikiza pakuyambitsa kusokoneza kwazithunzi, ma framerate otsika amatha kukhudzanso mbali zina zamakanema pochepetsa kuthwa, kusiyanitsa ndi kuwala. Izi ndichifukwa choti mafelemu otsika amatanthauza kuti mafelemu ambiri amafunikira kuti awonetse bwino zomwe zikuyenda—kuchepetsa mawonekedwe a chimango chilichonse. Pazinthu zomwe zikuwonetsedwa pakompyuta ndi mafoni am'manja, ma framerate amayenera kukhazikitsidwa pang'ono 30 fps (mafelemu pa sekondi iliyonse) kuti mumve zambiri zoyenda zovomerezeka zokhala ndi zowonera zazikulu monga zopezeka pa TV zololeza kuyandikira 60 FPS kwa mawonekedwe oyenda bwino kwambiri.

Ndikofunikira kuti otsatsa komanso owulutsa amvetsetse momwe zinthu zoyenda zimagwirira ntchito potsata mavidiyo kuti awonetsetse kuti makanema amasamutsidwa bwino kuti asachepetse kukhutira kwa owonera. Kugwiritsa ntchito mafelemu apamwamba amalola owonera kusangalala ndi zomwe zikuchitika popanda kusokoneza kapena kupotoza zithunzi pomwe akuchepetsa zovuta zomwe zimalumikizidwa ndi ma fps otsika. Pomvetsetsa momwe framerate imakhudzira mtundu wamavidiyo, mutha kuwonetsetsa kuti makanema anu amafikira omvera omwe akufuna m'njira yosangalatsa komanso yosavuta.

Momwe Mungakulitsire Ma Framerates

Framerate ndichinthu chofunikira kuchiganizira pankhani yamasewera, kukonza mavidiyo, ndipo ngakhale kusuntha. Kukwera kwa framerate, kudzakhala kosavuta kwa owonera. Kupititsa patsogolo framerate kungakuthandizeni kupeza ntchito yabwino pa hardware yanu.

M'chigawo chino, tikambirana njira zosiyanasiyana onjezerani kuchuluka kwa ma framerate anu kuti muzitha kusewera bwino komanso kutsatsa:

Sinthani Zokonda pa Kamera

Kusintha makonda a kamera yanu kumatha kusintha mawonekedwe anu, kukulolani kujambula kanema wosalala. Izi zitha kuyambira pakuyatsa mothamanga kwambiri monga Mafelemu 30 pa sekondi iliyonse (fps) kusintha zoikamo poyera monga pobowo ndi liwiro la shutter.

Muyeneranso kuzimitsa kukhazikika kwazithunzi zilizonse kapena mawonekedwe osinthika omwe kamera yanu ili nayo kuti muwonjezere mawonekedwe. Komanso, ganizirani kuwombera NTHAWI ngati kuli kotheka, zomwe zimalola kujambula ndi kusintha kwapamwamba kuposa mawonekedwe amtundu wa JPEG.

Pomaliza, ndikofunikira kuti mutsegule zowoneka bwino ngati zilipo kuti muchepetse zoyenda ndikupanga zithunzi zowoneka bwino:

• Yambitsani zonse zomwe zilipo za blurter.

Gwiritsani Ntchito Mavidiyo Apamwamba Apamwamba

Kuti tikwaniritse bwino kwambiri framerate, ndikofunikira kugwiritsa ntchito kanema wapamwamba kwambiri codecs monga H.264, HEVC, VP9 kapena AV1. Ma codec awa amatha kupereka zambiri zazithunzi ndi zomvera kwinaku akusungabe kutsika pang'ono. Izi zimathandiza kuti kanema wa kanema akhale wothandiza kwambiri mukamagwiritsa ntchito bandwidth ndi zothandizira pa PC yanu ndipo zingathandize onjezerani magwiridwe antchito kwambiri pamene akukhamukira kapena kujambula.

Ngakhale kuti izi zingafunike kugwiritsira ntchito deta zambiri, ndi mtengo wochepa kuti ulipire kuti ugwire bwino ntchito komanso chithunzithunzi chabwinoko. Kuphatikiza apo, kugwiritsa ntchito ma codec apamwamba kumathanso chepetsani kukula kwa mafayilo monga amatha compress media bwino kuposa akamagwiritsa otsika khalidwe monga MPEG-2 kapena DivX.

Chepetsani Kusintha Kwamavidiyo

Mukafuna kukonza framerate yanu, chimodzi mwazinthu zoyamba kuganizira ndi kuchepetsa kusamvana kwamavidiyo anu. Kutsika kwakusintha, ma pixel ocheperako amayenera kuyendetsedwa ndi GPU yanu ndi CPU, motero zimalola mafelemu ochulukirapo pamphindikati. Kutsitsa chigamulocho kumatha kusintha kwambiri ma framerate m'masewera bola ngati zichitika mwanzeru. Kutsika kwambiri kumatha kupangitsa kuti musaseweredwe kapena kusowa tsatanetsatane wamasewera.

Phindu linanso lochepetsera kusintha kwamavidiyo ndikumasula zida zamakina pazinthu zina zokhudzana ndi masewera monga kuyendetsa mapulogalamu ena nthawi imodzi. Izi zitha kuchepetsa kuchedwa kwathunthu ndikuwonjezera magwiridwe antchito pamapulogalamu angapo pakompyuta yanu.

Pamapulatifomu a PC, zisankho zosiyanasiyana nthawi zambiri zimatheka pamindandanda yamasewera kapena kudzera pa pulogalamu yoyendetsa (mwachitsanzo, AMD's Radeon software). Kutengera momwe masewera anu amafunikira, ngakhale kutsika pang'ono kuchokera pazosankha "zachibadwidwe" kumatha kusintha (mwachitsanzo, ngati kusamvana kwanu ndi 1920 × 1080, yesani 800 × 600). Mwinanso mungathe kusintha anti-aliasing levels panonso; kulinganiza kwabwino pakati pa magwiridwe antchito ndi kukhulupirika kwazithunzi kuyenera kufikika pakuchepetsa kusamvana ndikuchepetsa milingo yotsutsa-aliasing molingana malinga ndi kuthekera kwa hardware.

Kutsiliza

Pomaliza, framerate ndichinthu chofunikira kwambiri pakupanga makanema. Zimakhudza momwe zithunzi zimasonyezedwera kwa owonerera ndipo ndizofunikira kwambiri pozindikira momwe amaonera mafilimu. Mafilimu ambiri amawomberedwa Zithunzi za 24 pamphindi, pamene mapulogalamu a pa TV nthawi zambiri amajambulidwa Zithunzi za 30 pamphindi - ngakhale izi zawonjezeka posachedwapa 60 zama TV amakono. Ndi kupita patsogolo kwaukadaulo, ma framerates apamwamba monga 120 FPS kapena 240 FPS zitha kukhala zopindulitsa kwa owonerera okopa.

Posankha kamera yoyenera ndi zida za polojekiti yanu, ndikofunikira kuganizira mtundu womwe mukufuna chifukwa ili ndi kukhudza kwakukulu kwa chithunzithunzi.

Moni, ndine Kim, mayi komanso wokonda kuyimitsa zoyenda komanso wodziwa zambiri pakupanga media komanso kakulidwe ka intaneti. Ndili ndi chikhumbo chachikulu chojambula ndi makanema ojambula, ndipo tsopano ndikudumphira molunjika kudziko loyimitsa. Ndi blog yanga, ndikugawana zomwe ndaphunzira ndi inu anyamata.