ʻO kekahi o nā mea nui āu e ʻike ai ʻo ka "Frame Rate" e aʻo ai i ke kaʻina hana o ka wikiō.Ma mua o ka kamaʻilio ʻana e pili ana i ka helu frame, pono mākou e hoʻomaopopo mua i ke kumu o ka hōʻike animation (wikiō).Hoʻokumu ʻia nā wikiō a mākou e nānā nei e nā kiʻi paʻa.Ma muli o ka liʻiliʻi loa o ka ʻokoʻa ma waena o kēlā me kēia kiʻi paʻa, ke nānā ʻia kēlā mau kiʻi i kahi wikiwiki, ʻike ʻia nā kiʻi ʻoniʻoni wikiwiki i ka retina o ka maka o ke kanaka e hopena i ke wikiō a mākou e nānā ai.A kapa ʻia kēlā me kēia kiʻi he "frame."
"Frame Per Second" a i ʻole ka mea i kapa ʻia ʻo "fps" ʻo ia ka nui o nā kiʻi paʻi kiʻi i loko o ke wikiō kekona.No ka laʻana, ʻo 60fps ka manaʻo he 60 mau kiʻi kiʻi i kēlā me kēia kekona.Wahi a ka noiʻi, hiki i ka ʻōnaehana ʻike kanaka ke hana i 10 a 12 mau kiʻi paʻa i kēlā me kēia kekona, ʻoiai ʻoi aku ka nui o nā kiʻi i kēlā me kēia kekona e ʻike ʻia he neʻe.Ke ʻoi aku ka kiʻekiʻe o ke kiʻi ma mua o 60fps, paʻakikī i ka ʻōnaehana ʻike kanaka ke ʻike i ka ʻokoʻa iki o ke kiʻi ʻoni.I kēia mau lā, pili ka hapa nui o ka hana kiʻiʻoniʻoni i 24fps.
He aha ka Pūnaehana NTSC a me ka Pūnaehana PAL?
I ka hiki ʻana mai o ke kīwī i ka honua, ua hoʻololi pū ke kīwī i ke ʻano wikiō frame rate.Ma muli o ka hōʻike ʻana o ka mea nānā i nā kiʻi ma ke kukui, ua wehewehe ʻia ke kiʻi kiʻi i kēlā me kēia kekona e ka nui o nā kiʻi hiki ke nānā ʻia i loko o hoʻokahi kekona.ʻElua ala o ka nānā ʻana i nā kiʻi - "Progressive Scanning" a me "Interlaced Scanning."
Ua kapa ʻia ʻo ka nānā ʻana i ka holomua ma ke ʻano he nānā ʻole i waena, a he ʻano ia o ka hōʻike ʻana i kaha ʻia nā laina āpau o kēlā me kēia kiʻi ma ke kaʻina.ʻO ka noi ʻana o ka interlaced scanning ma muli o ka palena o ka bandwidth hōʻailona.Hoʻohana ka wikiō interlaced i nā ʻōnaehana televise analog kuʻuna.Pono e nānā mua i nā laina helu ʻē aʻe o ke kahua kiʻi a laila i nā laina helu like o ke kahua kiʻi.Ma ka hoʻololi wikiwikiʻana i nā kiʻi "half-frame"ʻelua e like me ke kiʻi piha.
Wahi a ka manaʻo i luna, ʻo ka "p" ʻo ia ka Progressive Scanning, a ʻo ka "i" e hōʻike ana i ka Interlaced Scanning.ʻO ka "1080p 30" ʻo ia hoʻi ka hoʻonā piha HD piha (1920x1080), i hana ʻia e 30 "nā papa piha" holomua holomua i kēlā me kēia kekona.A ʻo "1080i 60", ʻo ia hoʻi, ua hoʻokumu ʻia ke kiʻi HD piha e 60 "half-frames" interlaced scan i kēlā me kēia kekona.
No ka pale ʻana i ka hoʻopili a me ka walaʻau i hana ʻia e nā hōʻailona o kēia manawa a me nā hōʻailona TV ma nā alapine like ʻole, ua kūkulu ke National Television System Committee (NTSC) ma USA i ka interlaced scanning frequency i 60Hz, ʻo ia ka mea like me ke alapine alternating current (AC).ʻO kēia ke ʻano o ka 30fps a me 60fps frame rate i hana ʻia.Pili ka ʻōnaehana NTSC i USA a me Kanada, Iapana, Korea, Philippines, a me Taiwan.
Inā makaʻala ʻoe, ʻike paha ʻoe i kekahi mau mea wikiō e hoʻomaopopo i ka 29.97 a me 59.94 fps ma nā kikoʻī?ʻO nā helu ʻē aʻe no ka mea i ka wā i haku ʻia ai ka TV kala, ua hoʻohui ʻia ka hōʻailona kala i ka hōʻailona wikiō.Eia naʻe, pili ka pinepine o ka hōʻailona kala me ka hōʻailona leo.No ka pale ʻana i ka hoʻopili ʻana ma waena o nā wikiō a me nā hōʻailona leo, haʻahaʻa nā ʻenekinia ʻAmelika i ka 0.1% o ka 30fps.No laila, ua hoʻololi ʻia ke kala kala TV kala mai 30fps i 29.97fps, a ua hoʻololi ʻia ka 60fps i 59.94fps.
Hoʻohālikelike i ka ʻōnaehana NTSC, ua hoʻomohala ka mea hana TV Kelemania Telefunken i ka ʻōnaehana PAL.Hoʻohana ka ʻōnaehana PAL i 25fps a me 50fps no ka mea he 50 Hertz (Hz) ke alapine AC.A nui nā ʻāina ʻEulopa (koe wale nō ʻo Farani), nā ʻāina Hikina Hikina, a me Kina e hoʻohana i ka ʻōnaehana PAL.
I kēia lā, hoʻohana ka ʻoihana hoʻolaha i ka 25fps (PAL system) a me 30fps (NTSC system) ma ke ʻano he kiʻi kiʻi no ka hana wikiō.No ka mea ʻokoʻa ka alapine o ka mana AC ma ka ʻāina a me ka ʻāina, no laila e hoʻonohonoho pono i ka ʻōnaehana kūpono ma mua o ke kiʻi ʻana i ke wikiō.E paʻi wikiō me ka ʻōnaehana hewa, no ka laʻana, inā ʻoe e pana i ke wikiō me ka PAL system frame rate ma ʻAmelika ʻĀkau, e ʻike ʻoe e paʻi ana ke kiʻi.
ʻO ka pani pani a me ka pākuʻi
Hoʻopili nui ʻia ke kiʻi kiʻi me ka wikiwiki pani.Pono ka "Shutter Speed" e pālua i ka Frame Rate, e hopena i ka ʻike maka maikaʻi loa i nā maka kanaka.No ka laʻana, ke hoʻohana ʻia ka wikiō i 30fps, hōʻike ʻia e hoʻonohonoho ʻia ka wikiwiki pani o ke kāmela ma 1/60 kekona.Inā hiki ke kiʻi i ka pahupaʻikiʻi ma 60fps, ʻo 1/125 kekona ka wikiwiki pani o ke kāmela.
Ke lohi loa ka wikiwiki pani i ka helu kiʻi, no ka laʻana, inā hoʻonoho ʻia ka wikiwiki pani ma 1/10 kekona e pana i ka wikiō 30fps, e ʻike ka mea nānā i ka neʻe ʻana o ka pōkā ma ke wikiō.Eia naʻe, inā kiʻekiʻe loa ka wikiwiki o ka shutter i ka frame rate, no ka laʻana, inā hoʻonohonoho ʻia ka wikiwiki shutter ma 1/120 kekona no ke kiʻi ʻana i ka wikiō 30fps, e like ka neʻe ʻana o nā mea e like me nā robots me he mea lā ua hoʻopaʻa ʻia lākou ma ka hoʻomaha. ʻoni.
Pehea e hoʻohana ai i ka pākuʻi kiʻi kūpono
Hoʻopilikia nui ʻia ke kiʻi kiʻi kiʻi i ke ʻano o ke kiʻi, e hoʻoholo ai i ka ʻike maoli ʻana o ka wikiō.Inā he kumuhana paʻa ke kumuhana wikiō, e like me ka papahana seminar, ka hoʻopaʻa haʻiʻōlelo, a me ka hālāwai wikiō, ʻoi aku ka nui o ke kiʻi wikiō me 30fps.Hōʻike ka wikiō 30fps i ka neʻe kūlohelohe e like me ka ʻike ʻike kanaka.
Inā makemake ʻoe e kiʻi ʻia ke wikiō i ka wā e pāʻani ana me ka neʻe mālie, hiki iā ʻoe ke pana i ke wikiō me 60fps.Hoʻohana ka nui o nā mea paʻi kiʻiʻoniʻoni i ke kiʻekiʻe kiʻekiʻe e paʻi wikiō a hoʻopili i nā fps haʻahaʻa ma hope o ka hana ʻana e hana i ke wikiō neʻe mālie.ʻO ka noi ma luna nei kekahi o nā ala maʻamau e hoʻokumu i kahi lewa aesthetically aloha ma o ka wikiō mālie.
Inā makemake ʻoe e hoʻokuʻu i nā mea i ka neʻe kiʻekiʻe, pono ʻoe e pana i kahi wikiō me 120fps.E lawe i ka kiʻiʻoniʻoni "Billy Lynn in the Middle" no ka laʻana.Ua paʻi ʻia ke kiʻiʻoniʻoni e 4K 120fps.Hiki i ka wikiō hoʻonā kiʻekiʻe ke hōʻike pono i nā kikoʻī o nā kiʻi, e like me ka lepo a me ka paʻi ʻana o nā ʻōpala i loko o ka pū, a me ka ʻulaʻula o ke ahi, e hāʻawi ana i ka poʻe i kahi ʻike hiʻohiʻona me he mea lā aia lākou ma ke kahua.
ʻO ka hope, makemake mākou e hoʻomanaʻo i ka poʻe heluhelu e pono e hoʻohana i ka helu kiʻi like e paʻi i nā wikiō ma ka papahana like.Pono ka hui ʻenehana e hoʻopili i kēlā me kēia pahupaʻikiʻi i ka helu kiʻi like i ka wā e hana ana i ke kahe hana EFP.Inā pili ka Camera A i 30fps, akā pili ka Camera B i 60fps, a laila e ʻike ka poʻe akamai i ka ʻole o ka neʻe ʻana o ke wikiō.
Ka manawa hoʻouna: Apr-22-2022