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Aug 17,2017 11:44 am / Lo rau ntawm Brian Fisher rau Hlob Video
Video compression txhais tau hais tias txo tus nqi ntawm cov ntaub ntawv nyob rau hauv ib tug video. Nws yog feem ntau yog ua los ntawm zuj zus lawm thiab tshem redunt ntaub ntawv los ntawm cov kev yees duab. Cov neeg xav tau kev pab video compression vim video ntaub ntawv coj mus rau ib tug ntau ntawm qhov chaw cia nyob rau hauv lub hard drive, thiab loj cov ntaub ntawv yog ua nra hnyav rau thiab hnyav heev mus rau cov hloov. Koj xav kom hlob video ntaub ntawv thiaj li mus tso qhov chaw dawb, hlob video rau YouTube, hloov mus rau koj ntaus ntawv los yog email mus rau lwm tus.
Part 1. nyuaj Txoj kev mus rau Hlob Loj Video ntaub ntawv
UniConverter, uas yog heev haum rau hlob video ntaub ntawv mus ua si rau portable pab kiag li lawm vim hais tias cov optimized presets yog ua-nyob rau hauv lub cuab tam.
Qhov zoo tshaj plaws Video Compressor - UniConverter
- Kev them nyiaj yug compression ntawm 150+ video thiab audio tawm tswv yim, xws li MP4, MOV, MKV, mts / M2TS, MP3, AAC, M4A, WMA, FLAC, etc.
- Saj zawg zog compression nqis rau koj mus teem lub thawv, codec, daws teeb meem thiab me ntsis nqi tau yooj yim.
- Personalize koj video ua ntej compression nrog editing nta xws li Tshib, Qoob loo, los, watermark, Subtitles, etc.
- Download tau los yog sau hauv internet streaming yeeb yaj duab los ntawm yuav luag txhua online video chaw namely YouTube, Netflix, VEVO, Vimeo, etc.
- Hloov mus preset hom ntawv rau cov nrov tshaj plaws mobile pab kiag li lawm thiab ces ib tug nias hloov lwm lub tsev rau pab kiag li lawm nrog USB cable.
- Hlawv koj nyiam cov yeeb yaj duab los yog cov suab paj nruag nkauj rau dawb paug DVD / CD siv hauv tsev kom txaus siab rau txhua lub sij hawm.
Yuav ua li cas Hlob Videos nrog iSkysoft nyob rau hauv Cov kauj ruam
Kauj ruam 1. Thauj khoom Koj Video ntaub ntawv yuav tsum tau compressed
Koj yuav import cov yeeb yaj duab ntawm tus txheejtxheem "Ntxiv ntaub ntawv" khawm ntawm sab saum toj sab laug, los yog ncaj qha luag thiab xa cov ntaub ntawv mus rau lub video compressing software. Qhov no video compressor kuj txhawb import video ntaub ntawv los ntawm mobile pab kiag li lawm xws li iPhone, Samsung, lwm yam cia li nias txoj kev nco cia icon ntawm ib sab kom pom ntau importing xaiv.
Kauj ruam 2. Start rau hlob video ntaub ntawv nyob rau Mac los yog qhov rais
Thaum mas cov yeeb yaj duab yuav tsum tau compressed, nyem qhov "Nqis" icon nyob rau sab xis ntawm tus xaiv tso zis hom. Ces koj yuav txo tau tus nqi ntawm kev daws teeb meem (tseem ceeb), ncej npaum li cas thiab / los yog me ntsis nqi. Ces nyem "Tsim" thiab kwv yees li qhov zoo tshaj plaws video ntaub ntawv loj uas hais tias tau koj xav tau kev pab.
Los ntawm txoj kev, koj muaj peev xwm kuj hlob lub yees duab los hloov cov kev yees duab hom. Piv txwv li, koj muaj peev xwm xaiv "FLV" raws li cov qhov tso zis hom ntawv rau koj MP4 video.
Kauj Ruam 3. Tseg compressed video ntaub ntawv
Nyem "Hloov" nyob rau hauv cov kev yees duab zaub clip los yog "Hloov Tag nrho" nyob hauv qab txoj cai rau export koj vidoes tom qab compression, ces koj yuav sucessfully ntsws video ntaub ntawv rau me me luaj li.
Sau ntawv rau compressing Videos:
Yuav kom hlob video ntaub ntawv nrog ib tug video compressor, muaj cov 2 kev xaiv uas koj yuav personalize los txo qhov luaj li cas ntawm koj cov video.
Option 1 : Tsuas xaiv ib tug kom tso zis hom los txo cov video loj xws li MP4, FLV, 3GP, thiab lwm yam vim hais tias lawv yog feem ntau me dua lwm yam ntaub ntawv vim rau siab compression tus nqi. Koj muaj peev xwm saib cov video loj rau ntawm lub ntsiab qhov rais ua ntej hloov dua siab tshiab. Tab sis kom paub tseeb tias koj tau kev pab yuav ua si lub video nyob rau hauv lub xaiv tso zis hom.
Kev Xaiv 2: Koj yuav tau teem lub codec, Resolution, Ncej Rate thiab Ntsis Rate yuav ua rau koj cov ntaub ntawv me me thiab. Lub chaw nyob ntawm seb qhov luaj li cas thiab qhov zoo tshaj ntawm tus yees duab koj xav kom hlob heev. Thov kom nyeem ntawv rau lean yooj yim knowledgements txog video compression chaw.
Ua siab ntev nyob rau hauv compressing koj video ntaub ntawv, vim hais tias loj loj thiab siab zoo video ntaub ntawv yuav tau feeb los yog txawm teev yuav tsum tau compressed.
Part 2. Lub tswv yim rau compressing Video ntaub ntawv
Tswv Yim rau Kev Common Video Compression chaw
Tej Compression: Tej compression thiaj li tau cov ntaub ntawv me me thiab ua rau cov video zoo li ntau li ntau tau. Muaj ntau txoj kev uas yuav ua li cas yuav ua rau video ntaub ntawv me me, thiab lub nrov txoj kev uas muaj xws li rov encoding nrog ib tug zoo video transcoder thiab siv ib cov ntaub ntawv compressor.
Loseless Compression: Lub hom phiaj ntawm loseless compression yog kom muaj tag nrho cov zoo ntawm cov thawj video. Txawm li cas los, qhov no yog tsis yog li ntawd pab tau vim nws NW nyuam qhuav txo tau tus nqi ntawm cov ntaub ntawv nyob rau hauv ib tug video. Thiab feem ntau cov neeg xav mus ua ib tug video compression nrog lub hom phiaj ntawm kev txo cov video loj.
Yog tsis muaj compression chaw uas yog haum rau tag nrho cov neeg. Cov uas yuav tsum tau raws los ntawm kev kawm tso zis ntev, computer kev ua tau zoo, kev compression artifacts thiab ntau lwm yam. Here're ib co tswv yim uas yuav pab tau koj kom zoo tshaj plaws video compression nqis rau koj.
- Koj nyob nraum heev pom zoo kom hlob koj video raws li H.264 nyob rau hauv MOV los yog MP4 hom ntawv, vim hais tias lawv yog feem ntau me dua lwm yam ntaub ntawv vim rau siab compression tus nqi.
- Lub compressed ntaub ntawv loj lig nyob rau hauv lub Hlob ntsis nqi. Feem ntau, cov me video koj xav tau, qhov tsawg dua me ntsis nqi. Cov me ntsis nqi kuj ntawm lwm yam uas lub duab zoo. Thov mloog tau hais tias cov duab yuav lig yuav raug puas tsuaj yog hais tias tus me ntsis tus nqi yog heev tsawg.
- Dhau li ntawd, lub codec kuj influences lub compression. Feem ntau koj yuav xaiv tau H.264 no.
- Nyob rau hauv feem ntau lub sijhawm, ib qho ratio ntawm 640 * 480 yog txaus. Tab sis nws kuj nyob ntawm koj xav.
- Lub thav duab tus nqi, ncej loj, me, los yog codec ntawm qhov duab tsis muaj teeb meem heev npaum li cas rau video compression.
Paub qhov video hom ntawv, piv thiab me ntsis nqi uas influences lub luaj li cas ntawm compressed video, nws mam li yuav ntau npaum li cas yooj yim rau koj mus xaiv lub zoo tshaj plaws video compression chaw.
Pom zoo Video Compression chaw rau Youtube & Vimeo
| Video compression nqis rau Youtube | Video compression nqis rau Vimeo | |
|---|---|---|
|
Thawv
|
MP4 | MP4 |
|
codec
|
H.264 | H.264 |
|
Ncej tus nqi
|
Cov tib yam li cov thawj video | 24, 25, los yog 30 FPS |
|
ntsis tus nqi
|
1000 kbps (360p), 2500 kbps (480p), 5000kbps (720p), 8000kbps (1080p), 10Mbps (1440p), 35-35kbps (2160p) |
2,000 - 5,000 kbit / s (SD) / 5,000 - 10,000 kbit / s (720p HD) / 10,000 - 20,000 kbit / s (1080p HD) |
|
Kev Txiav Txim Siab
|
426x240 (240p), 640x360 (360p), 854x480 (480p), 1280x720 (720p), 1920x1080 (1080p), 2560x1440 (1440p), 3840x2160 (2160P) | 640 pixels dav (SD) los yog 1280 pixels dav (HD) |
Lub tswv yim rau compressing Video dawb
Muaj yog ib qho yooj yim thiab dawb lub txoj kev uas yuav hlob loj cov yeeb yaj duab kom me me luaj li cas, nyob rau tus mob uas tus yees duab no yog .mov hom ntawv thiab koj Mac sau MacOS 10.7 los yog saum toj no.
- Next MOV video nyob rau hauv Finder.
- Right-click lub yees duab thiab xaiv "encode Xaiv Movie ntaub ntawv" nyob rau hauv cov nram no qhia zaub mov.
- Xaiv lub daws teeb meem uas koj xav kom encode lub video rau. Feem ntau sellecting qis daws teeb meem tshaj cov thawj video yuav resuce cov ntaub ntawv loj.
Raws li ib tug dawb thiab yooj yim tov, nws tsuas hloov lub rooj ntawm koj MOV video. Yog hais tias koj xav mus ua tus yees duab me me, koj yuav tau cov kev pab los ntawm UniConverter .
Yog vim li cas Xaiv UniConverter rau Mac / qhov rais
Muaj nyob ntau yam uas koj yuav tsum xav txog thaum xaiv cov kev yees duab compression lub cuab tam uas satisfies koj feem ntau, xws li tus nqi, cov compression zoo thiab ceev, yooj yim ntawm kev siv, thiab lwm yam Cov nram qab no cov lus qhia koj vim li cas UniConverter yog lub zoo tshaj plaws uas koj yuav tsum tau mus rau hlob yeeb yaj duab rau Mac.
| Txhawb kev tawm tswv yim | UniConverter yog tau hlob HD yeeb yaj duab (mts, m2ts, H.264), txheej txheem tawm tswv yim (mp4, mov, avi, mkv, flv, lwm yam) thiab lub suab tawm tswv yim (MP3, AIFF, M4A). |
| compressing Ceev | Qhov no software compresses cov yeeb yaj duab nyob rau hauv ib tug tsis tshua ceev ceev, thaum feem ntau cov cuab yeej nyob rau hauv kev ua lag luam tsis tau. |
| Yooj Yim ntawm qhov kev siv | Lub compression chaw yog ib qho yooj yim thiab saj zawg zog, uas muaj raws li koj siv txhua hnub. Koj muaj peev xwm hlob koj video nyob rau hauv 3 ib qho yooj yim cov kauj ruam. |
| nqe | iMovie, Quick sij hawm Pro thiab thaum kawg Hlais Pro yog qhia ntawv thiab cov kev yees duab cov cuab yeej. Tab sis tsuav yog kim hais tias koj tsuas saib rau ib tug haib thiab yooj yim rau siv video compression cuab tam. UniConverter yog cheaper npaum li tshaj li lawv. |
| ntxiv nta | Lub ntxiv video editor yuav pab koj mus personalize cov yeeb yaj duab li koj xav kom. |
| Customer Support | iSkysoft muaj koj 24-teev them nyiaj yug uas daws tej me teeb meem uas tej zaum koj yuav pom me ntsis. |
