Ua tsaug rau nws lub koob yees duab sab saum toj thiab cov apps zoo nkauj rau kev hloov video , lub iPhone yog lub zog-video powerhouse (qee cov yeeb yaj duab feature tau txawm tias tua tau lawv). Tab sis zoo li cas yog tias tag nrho yog tias koj tsis tuaj yeem tso cov yees duab? Cov lus nug tias iPhone cov tswv uas tua ntau video tau nug yog video npaum li cas koj tau sau rau ntawm iPhone?
Lo lus teb yog tsis ncaj kiag li. Muaj ntau yam cuam tshuam rau cov lus teb, xws li ntau npaum li cas cia koj ntaus ntawv, ntau npaum li cas lwm cov ntaub ntawv nyob rau hauv koj lub xov tooj, thiab cov lus video uas koj nyob nraum shooting.
Yog xav paub cov lus teb, cia peb saib cov teeb meem.
Npaum Li Cas Lawm Cov Neeg Siv Tau Muaj
Qhov tseem ceeb tshaj plaws hauv kev yees duab ntau npaum li cas koj tuaj yeem yog qhov chaw seem uas koj muaj rau cov ntaub ntawv yees duab rau hauv. Yog tias koj muaj 100 MB dawb cia, qhov ntawd yog koj kev txwv. Txhua tus neeg siv muaj ntau qhov chaw cia chaw (thiab, thaum koj xav tsis thoob, koj tuaj yeem tsis nthuav tus cim xeeb iPhone ).
Nws yog tsis yooj yim sua kom hais precisely ntau npaum li cas chaw cia txhua tus neeg siv tau muaj tsis tau pom lawv ntaus ntawv. Vim li ntawd, tsis muaj ib lo lus teb rau cov neeg siv yees duab ntau npaum li cas; nws yog txawv rau txhua tus neeg. Tab sis cia peb ua ib co kev xav thiab kev ua hauj lwm los ntawm lawv.
Cia peb xav tias tus neeg siv nruab nrab siv 20 GB ntawm cia rau hauv lawv cov iPhone (qhov no yog qis tshaj, tab sis nws yog ib qho zoo, hloov zauv uas ua rau cov lej yooj yim). Qhov no muaj xws li iOS no, lawv cov apps, suab paj nruag, duab, thiab lwm yam. Nyob rau hauv lub 32 GB iPhone, qhov no tawm lawv 12 GB ntawm cia cia rau cov ntaub ntawv yees duab rau hauv; rau ntawm 256 GB iPhone, nws yoojyim rau lawv 236 GB.
Nrhiav Koj Cov Muaj Peev Xwm Cia
Yog xav paub ntau npaum li cas koj muaj ntawm koj lub iPhone, ua raws li cov kauj ruam:
- Kais Nqis
- Coj Tus Xov Tooj
- Kais Tob Txog
- Saib rau kab. Qhov no qhia tau hais tias ntau npaum li cas tsis siv chaw koj yuav tsum khaws cov video uas koj teev tseg.
Npaum Li Cas Txhua Hom Kev Siv Yees Duab
Yuav kom paub ntau npaum li cas rau video uas koj tuaj yeem sau tau, koj yuav tsum paub qhov chaw seem yees duab yuav tsum coj mus siv.
Tus iPhone lub koob yees duab tau sau cov yeeb yaj duab hauv ntau hom kev txiav txim siab. Cov qis dua tuaj yeem ua rau cov ntaub ntawv me me (uas txhais tau tias koj yuav khaws cov yees duab ntxiv).
Tag nrho cov iPhones niaj hnub no tau teev cov yees duab ntawm 720p thiab 1080p HD, thaum IPhone 6 series ntxiv 1080p HD ntawm 60 ntas / thib ob, thiab iPhone 6S series ntxiv 4K HD . Maj kauj ntawm 120 ntas / thib ob thiab 240 thav ntawv / thib ob ntawm cov qauv no. Tag nrho cov qauv tshiab yog txhawb nqa tag nrho cov kev xaiv no.
Ua Koj Lub Yees Duab Hauv Yeeb Yam Tsis Muaj Chaw Nrog HEVC
Qhov kev daws teeb meem koj siv tsis yog qhov tsuas yog qhov txiav txim tias qhov chaw koj xav tau ntau npaum li cas. Qhov yees duab encoding ua ib qho txawv loj, ib yam nkaus thiab. Hauv iOS no 11, Apple ntxiv rau kev txhawb nqa rau High Efficiency Video Coding (HEVC, los yog h.265), uas tuaj yeem ua tus yees duab zoo li 50% me dua tus qauv h.264.
Los ntawm lub neej ua haujlwm, siv khiav hauv iOS no 11 siv HEVC, tiam sis koj tuaj yeem xaiv cov hom koj xav tau los ntawm:
- Tapping Chaw .
- Tapping koob yees duab .
- Tapping Formats .
- Tapping High Efficiency (HEVC) lossis Tshaj Lij Tshaj Tawm (h.264).
Raws li Kua, qhov no yog qhov chaw yees duab ntau npaum li cas ntawm txhua yam ntawm cov ntawv no thiab cov qauv siv (cov duab yog sib npaug thiab kwv yees):
| 1 feeb h.264 | 1 teev h.264 | 1 feeb HEVC | 1 teev HEVC | |
|---|---|---|---|---|
| 720p HD @ 30 ntas / sec | 60 MB | 3.5 GB | 40 MB | 2.4 GB |
| 1080p HD @ 30 ntas / sec | 130 MB | 7.6 GB | 60 MB | 3.6 GB |
| 1080p HD @ 60 ntas / sec | 200 MB | 11.7 GB | 90 MB | 5.4 GB |
| 1080p HD slo-mo @ 120 ntas / sec | 350 MB | 21 GB | 170 MB | 10.2 GB |
| 1080p HD slo-mo @ 240 ntas / sec | 480 MB | 28.8 GB | 480 MB | 28.8 MB |
| 4K HD @ 24 thav ntawv / sec | 270 MB | 16.2 GB | 135 MB | 8.2 GB |
| 4K HD @ 30 ntas / sec | 350 MB | 21 GB | 170 MB | 10.2 GB |
| 4K HD @ 60 ntas / sec | 400 MB | 24 GB | 400 MB | 24 GB |
Npaum Li Cas Thiaj Tau Ib Leeg iPhone Tau
Ntawm no yog qhov uas peb tau nqes khom lub tsheb tawm ntau npaum li cas hauv iPhones. Assuming tias txhua tus ntaus ntawv muaj 20 GB ntawm lwm cov ntaub ntawv rau nws, ntawm no yog ntau npaum li cas txhua qhov muaj peev xwm xaiv qhov iPhone tau muab rau txhua hom kev yees duab. Cov duab ntawm no tau muab sib npaug thiab kwv yees.
| 720p HD @ 30 fps | 1080p HD @ 30 fps @ 60 fps | 1080p HD slo-mo @ 120 fps @ 240 fps | 4K HD @ 24 fps @ 30 fps @ 60 fps | |
|---|---|---|---|---|
| HEVC 12 GB dawb (32 GB xov tooj) | 5 teev | 3 teev, 18 feeb. 2 teev, 6 min. | 1 teev, 6 feeb. 24 feeb. | 1 teev, 24 feeb. 1 teev, 6 feeb. 30 feeb. |
| h.264 12 GB dawb (32 GB xov tooj) | 3 teev, 24 feeb. | 1 teev, 36 min. 1 teev, 3 feeb. | 30 feeb. 24 feeb. | 45 feeb. 36 min. 30 feeb. |
| HEVC 44 GB dawb (64 GB xov tooj) | 18 teev, 20 feeb. | 12 teev, 12 feeb. 8 teev, 6 min. | 4 xuab moos, 24 min. 1 teev, 30 feeb. | 5 teev, 18 feeb. 4 teev, 18 feeb. 1 teev, 48 feeb. |
| h.264 44 GB dawb (64 GB xov tooj) | 12 teev, 30 feeb. | 5 teev, 48 feeb. 3 xuab moos, 42 min. | 2 teev 1 teev, 30 feeb. | 2 teev, 42 feeb. 2 teev 1 teev, 48 feeb. |
| HEVC 108 GB dawb (128 GB xov tooj) | 45 teev | 30 teev 20 teev | 10 teev, 30 feeb. 3 teev, 45 min. | 13 xuab moos, 6 min. 10 teev, 30 feeb. 4 teev, 30 feeb. |
| h.264 108 GB dawb (128 GB xov tooj) | 30 teev, 48 min. | 14 teev, 12 na thi. 9 teev, 12 na thi. | 5 teev, 6 min. 3 teev, 45 min. | 6 teev, 36 min. 5 teev, 6 min. 4 teev, 30 feeb. |
| HEVC 236 GB dawb (256 GB xov tooj) | 98 teev, 18 feeb. | 65 teev, 30 feeb. 43 xuab moos, 42 min. | 23 teev, 6 min. 8 teev, 12 na thi. | 28 xuab moos, 48 min. 23 teev, 6 min. 9 teev, 48 min. |
| h.264 236 GB dawb (256 GB xov tooj) | 67 teev, 24 feeb. | 31 teev, 6 min. 20 teev, 6 min. | 11 teev, 12 na thi. 8 teev, 12 na thi. | 14 teev, 30 feeb. 11 teev, 12 na thi. 9 teev, 48 min. |