Kho Khoom Siv Taw Qhia Uas Tej Zaj Lus Tshaj Tawm Txog Hauv Cov Yees Duab Hauv Tshuab

Khoom siv hluav taws xob khoom taw qhia uas tej zaum yuav koom nrog nyob rau hauv video video nyob

Cov khoom siv kho khoom siv uas yuav koom tau rau hauv qhov kev ua video nyob:

1. lub koob yees duab / yees, thiab lwm yam, nyob hauv xov tooj cua yuav tsum muaj, raws li lawv cov kev xav tau, nyiaj txiag, thiab lwm yam., Xaiv lub suab thiab video ntes kawg rau koj.

2. demodulator, lub npov saum txheej (yuav tsum tau rau TV nyob)

Yog tias lub teeb liab tseem ceeb yog lub xaim hluav taws xob cable (RF), nws feem ntau pom zoo siv lub xov tooj cua zaus. Yog tias tsim nyog rau synchronously demodulate AV Pib ntsais koj teeb ntawm ntau lub TV raws, nws pom zoo kom siv ib tug kws multi-channel RF demodulator nrog ruaj khov thiab yooj yim siv.

Thaum tau txais cov yeeb yaj duab nyob hauv TV lossis saib xyuas, koj yuav tsum mus rau saum lub npov saum txheej. Thaum koj xaiv lub npov saum txheej, koj yuav tsum ua raws li lub peev xim ntawm lub npov saum txheej (lub suab thiab cov video hom uas yuav hais tau) thiab cov kev cai txhawb zog network.

Yog tias lub TV tseem ceeb yog digital TV, yog tias TV tshaj tawm hauv xov xwm, yuav tsum muaj lub npov saum npoo npov. Lub npov saum txheej loj feem ntau demodulates AV teeb liab, muab ib qhov video source rau broadcast TV channel, thiab digital TV saum-saum lub thawv. Nws yog feem ntau pom zoo kom xaiv ib lub chaw lag luam loj.

3. daim video capture card

Tam sim no, muaj ntau ntau suab thiab video capture phaib lawm nyob rau hauv kev ua lag luam. Yuav kom muaj kev paub ntau yam los yog kom pab txhawb yav tom ntej, nws pom zoo kom xaiv tau ib daim npav sib npaug, kom nws thiaj li yuav siv tau rau hauv video los yog tsis-linear editing system. Kev siv daim ntawv.

4. kev tsis tsim daim ntawv tshaaj daim ntawv (xws li VGA capture card)

Yuav kom khaws tau cov teeb meem tshwj xeeb video, yuav tsum muaj daim npav yees duab kev yees duab. Piv txwv, kom thiaj li tshaj tawm tau qhov kev sib tw, tus neeg uas ua ntawv lub tshuab computer tau muab tso rau hauv lub sijhawm ntawm VGA capture daim ntawv, thiab qhov kev ua si yuav tsum tshaj tawm hauv xov nyob hauv cov software tso tawm.

Feem ntau siv VGA capture phaib yog:

5. video switcher

Muaj ntau yam nyob hauv kev tshaj tawm hauv xov xwm. Hloov cov duab raws li xav tau. Lub sijhawm no, yuav tsum siv cov video switcher. Qhov zoo ntawm qhov video switcher yuav ncaj qha mus rau qhov zoo tshaj ntawm cov nyob broadcast. Qhov zoo switcher ua haujlwm fine thiab cov ntaub ntawv siv tau zoo dua. Los ntawm cov tsos, koj tuaj yeem muaj kev txiav txim siab zaum ua ntej.

6. kev cob qhia cov ntaub ntawv (multi-channel broadcast broadcast, xws li TV nyob)

Pawg, ntaus cov neeg siv xws li tsev kawm ntawv, tsoomfwv, thiab cov tuam txhab feem ntau yuav tsum tsim kom muaj kev sib txuas lus hauv TV. Vim txoj kev tshaj tawm uas muaj ntau txoj hauv kev, nws tsis yooj yim rau siv cov tsoos txeeb daim lag luam thiab software. Nws yog qhov nyuaj rau kev tshaj tawm ntau yam raws tib lub sijhawm. TV raws, nyob rau hauv cov ntaub ntawv no, nws yog pom zoo siv cov khoom siv ntau hom video encoding.

7. lub suab paj nruag

Rau ntau suab qhov input inputs, xaiv qhov tso zis ntau lawm, koj siv tau lub suab nruab nrab. Thaum xaiv lub suab paj nruag, xyuam xim rau nws qhov kev tawm tswv yim thiab cov zis, thiab xaiv cov tsis tau ntawm daim ntawv nrhiav tau.

8. lub suab thiab cov yeeb yaj duab, hloov khoom dua

Tsis txhob ua raws li cov cuab yeej no. Qhov no yog thawj qhov mob rau kev tshaj tawm hauv TV. Nws raug nquahu kom siv lub suab thiab video cable nrog qhov zoo ntawm lub chaw ua haujlwm li niaj zaus, thiab xav tias muaj teeb liab pob ntseg, nws yuav tsis yoojyim ntev; sim siv lub taub hau hloov dua siab tshiab me ntsis. Thaum koj siv nws, koj yuav tsum xaiv ib qho zoo. Nws yog qhov zoo tshaj rau koj xaiv tus tub ntxhais muaj tooj liab. Nws zoo li kev ci ntsa iab zoo. Nws yog nyob rau hauv lub tes thiab muaj lub xav ntawm tes.

9. lub microphone, echo suppressor

Hauv kev tshaj tawm hauv xov, lub microphone thiab lub cim hluav taws xob suppressor yuav tsum tau siv. Lub microphone direction lossis lub microphone peev xwm ntawm kev sau lub suab ntawm tag nrho cov chaw yuav tsum tau xaiv raws li qhov teeb meem no. Thaum lub ncha loj loj raws li qhov teeb meem no, tus ncho suppressor kuj siv tau.