Duk abin da game da Compressing wani Video

Yadda za a damfara a Video da QuickTime Player Pro

A hanya zuwa damfara bidiyo kullum hada resizing bidiyo girma, ragewa da firam girman da bit kudi na bidiyo fayil. Rage shirin bidiyo tare da Apple ya QuickTime Player bukatar sayen wani update version da aka sani da QuickTime Pro (tun Free edition of QuickTime Player baya yarda a gare compressing ko dispatching video) da kuma yanã gudãna ta hanyar da musamman fitarwa tsari.

Wadannan matakai da ake bukata domin yin bidiyo ta yin amfani da matsawa QuickTime Player Pro:

Mataki 1. Download QuickTime da kuma sabunta shi a pro version

Download QuickTime Pro daga wannan shafin da kuma yarda da sharuddan amfani da shigar da shi a kwamfutarka. Saya da lasisi ga shi tun fitarwa da bidiyo matsawa menu an sa ga biya ce ta wannan wasan. Zaži software saki bisa tsarin aiki, domin akwai guda biyu daban-daban irin kasuwanci saki: Buy for Windows kuma Buy ga Mac.

Mataki 2. Add fayiloli zuwa wannan shirin

A cikin wannan mataki, mai amfani da ke zuwa "File" Menu da kuma danna kan "Open File" a yi wasa shirin bidiyo. Sa'an nan kuma wata fayil browser taga zai bude a zabi wani video fayil. Yanzu, ba za ka iya lilo da fayil kuma buɗe babban video a yi wasa a kai. Wannan video zai iya amfani da shigar da bidiyo don damfara aiki.

Mataki na 3. Sync da sauti da bidiyo

Play ka movie kuma a tabbata cewa sauti syncs sama da bidiyo. Idan sauti yana farawa ma da wuri za ka iya bukatar don ƙara wasu audio filler a farkon don samun shi zuwa Sync, wanda aka fi sauƙi yi a wani shirin fiye da a cikin QuickTime.

A lõkacin da audio da bidiyo ake da aka daidaita kana shirye don fitarwa fayil don amfani a kan yanar gizo.

Mataki 4. Export bidiyo

Danna "File" shafin kuma zaɓi "Export" don buɗe "Save Fitar File As" allon. Yanzu danna kan "Export" wani zaɓi a kasa daga cikin menu kuma zaɓi "Movie zuwa QuickTime Movie" zaɓi don audio da bidiyo saituna.

Wannan zai kai ga wadannan sashe inda za ka iya shiga sabon suna ga sabuwar samar movie file. Don Allah danna kan "Zabuka" button a kasa don audio da bidiyo saituna.

Mataki 5. Change saituna

Bayan danna "Zabuka" button da wadannan allon zai zo. A nan, dole ne ka canja saituna a karkashin "Video" da "Sound" selection ga ingantaccen matsawa.

Mataki 6. Change da matsawa irin

Yanzu zaži "Saituna" button don canja "matsawa irin" na bidiyo zuwa daya da karami bit kudi. Rage video size yana da kadan daga duhu na gani quality. Babu wani bayani daidai da saituna da za su tasiri a kan daya video quality zai zama guda ga sauran video fayil bayan matsawa. Da wadannan video qaddara ne amfani da farawa don matsawa H.264.

Don canja video girma da kuma frame size, danna "Size" button kuma zaɓi ɗaya daga cikin ƙananan sizing zažužžukan. Da wadannan video saituna aka yi amfani a nan:

• Codec: H.264
• Hanyar: 2-Pass VBR
• Data Rate: 466 kbps
• Frame Size: 576 W 432H
• Al'amari rabo Selection: Kula al'amari rabo
• Frame Rate: 1: 1 frame / Sec
• Key Madauki Kowane: 100 Frames

Ga Audio sashe, yi amfani da wadannan bayanai:

• Codec: Fraunhofer MP3
• Data Rate: 48 kbps
• Sample Size: 16
• Sample Rate: 22050
• Tashoshi: sitiriyo

Mataki 7. Fara cikin damfara tsari

Danna "Ok" sau biyu don fita daga saitunan a dawo zuwa "Save Fitar File As" allon. Saka sabon suna ga generated matsa fayil kuma kafa wani wuri a kwamfuta rumbun kwamfutarka ya cece shi.

Danna "Save" button don fara compressing da aikawa da video.

A cikin sama misali, asalin file size ne 300 MB da aka matsa ta H.264 matsawa Hanyar. Amma akwai wasu sauran Codec ga compressing wani video fayil. Audio matsawa ba zai zama haka tasiri cikin sharuddan size rage. A nan, wani kamanta bincike domin daban-daban Codec aka bai on guda asali fayil. Duk quality jeri ne misali jeri, wannan sizing, da frame kudi da ake kiyaye canzawa a matsayin asali kama movie, key Frames an saita zuwa atomatik don wannan bincike.

Codec	Kwanan Rate	Matsa Size	Nuna ra'ayi
H.263	191,02 kbps	1.03 MB	Wannan dai shi ne misali Codec ga video sadarwa da kuma matsawa.
H.264	163,11 kbps	904,92 KB	An sabon gabatar Codec ga QuickTime Pro 7. Rage size nagarta sosai.
Sorenson Video 3	256 kbps	1,38 MB	An yadu amfani Codec. Ingancin matsa video ne m da kuma bayyana. Duk da haka idan muka kwatanta wannan da H.264, da file size (shigar wanda ke aiki a Sorenson Video 3) ne game da 56% fiye da guda fayil shigar wanda ke aiki a H.264.
MPEG4 (asali)	68,18 kbps	378,21 KB	Quality ba m. Video da aka shigar wanda ke aiki a ragu bit kudi.
MPEG4 (inganta)	277,83 kbps	1.5 MB	Bidiyo ingancin wannan MPEG-4 ne banƙyama. MPEG-4 Codec dabara ne sabo-sabo fiye da Sorenson Video 3. Yana tabbatar inganci da babban bit-kudi amma matsa size ne kadan high mun gwada.