Strreaming media yog cov ntaub ntawv video thiab cov ntaub ntawv xa tawm hauv lub computer network rau kev rov ua haujlwm tam sim es tsis yog rub tawm cov ntaub ntawv thiab tom qab ua si offline. Piv txwv ntawm kev tshaj tawm cov yeeb yaj kiab thiab suab suav nrog YouTube, xov tooj cua hauv internet thiab TV tshaj tawm, thiab cov tuam txhab webcasts.
Yuav ua li cas txhais tau li cas?
Kev tshaj tawm xov xwm yog hais txog txhua yam xov xwm, xws li tsos, TV, suab paj nruag, lossis podcasts, uas koj nkag mus thiab ua si hauv network, zoo li hauv internet. Streaming tsis zoo ib yam li downloading.
Thaum koj rub tawm cov ntaub ntawv, nws xaus rau hauv koj lub computer ntev npaum li koj xav khaws cia; uas yog qhov koj ua si los ntawm. Thaum koj kwj ib cov ntaub ntawv, nws nyob ntawm tus neeg rau zaub mov txhua qhov chaw koj pom nws thiab ua si hauv lub network rau koj lub computer. Nws tsis dhau los ua cov ntaub ntawv koj khaws cia hauv koj lub computer.
Yog streaming tsos txawv ntawm Streaming Video?
Ob peb nqe lus nquag ncaws tawm thaum nws los txog rau streaming. streaming video thiab streaming tsos feem ntau hu ua ob pawg nyob rau hauv lub ntiaj teb streaming. Txawm li cas los xij, cov no yog tib yam ntawm qib kev kawm.
Tag nrho cov streaming movies yog streaming video. Tsis yog txhua streaming video yog streaming movie. Technically, streaming video los ntawm YouTube tsis txawv dua li saib cov yeeb yaj kiab ntawm Netflix, tshwj tsis yog, tej zaum, qhov ntev. Nyob rau hauv ob qho tib si, koj nkag mus rau cov ntaub ntawv video ntawm lub server qhov chaw ntawm lub vev xaib thiab ua si hauv koj qhov kev sib txuas hauv internet. Txawm li cas los xij, YouTube video tsis yog yeeb yaj kiab. Nws yog ib tug luv luv video. Lub caij no, ntawm Netflix, Amazon Prime, Hulu, Disney +, lossis ib qho ntawm lwm qhov kev pabcuam streaming loj, koj tuaj yeem saib cov yeeb yaj kiab ntev ntev uas tau khiav hauv kev ua yeeb yam.
Siv Streaming Media
Kev sib txuas siab bandwidth feem ntau xav tau los ua haujlwm nrog streaming media. Cov kev xav tau tshwj xeeb bandwidth nyob ntawm seb hom ntsiab lus. Piv txwv li, saib cov yeeb yaj kiab streaming kev daws teeb meem siab xav tau ntau dua bandwidth dua li saib cov yeeb yaj kiab uas tsis muaj kev daws teeb meem lossis mloog cov suab paj nruag.
Txhawm rau nkag mus rau cov kwj tawm xov xwm, qhib lub suab lossis video player ntawm lub khoos phis tawj, thiab tom qab ntawd pib qhov kev sib txuas mus rau lub server system. Hauv Is Taws Nem, cov neeg siv xov xwm no tuaj yeem yog web servers lossis cov khoom siv tshwj xeeb teeb tsa tshwj xeeb rau kev ua haujlwm siab.
Qhov bandwidth (throughput) ntawm cov kwj tawm yog nws tus nqi me ntsis. Yog tias tus nqi me ntsis tau khaws cia rau hauv lub network thiab cov kwj dej tau muab qis dua tus nqi xav tau los txhawb kev rov ua haujlwm tam sim ntawd, poob cov duab video lossis poob ntawm cov txiaj ntsig suab. Kev tshaj tawm xov xwm ib txwm siv cov ntaub ntawv compression hauv lub sijhawm kom txo qis bandwidth siv rau txhua qhov kev sib txuas. Qee qhov kev tshaj tawm xov xwm tseem tuaj yeem teeb tsa los txhawb Kev Pabcuam Zoo (QoS) kom tswj tau qhov kev ua haujlwm tsim nyog.
Yuav tsum tau teeb tsa Computer Networks rau Streaming
Kev tshaj tawm xov xwm siv los ua qhov loj. Thaum streaming thawj zaug tau nrov, ntau tus neeg tsis muaj kev sib txuas hauv internet uas tuaj yeem txhawb nqa nws. Tam sim no, txawm li cas los xij, yuav luag txhua tus ua.
Qhov tsawg kawg nkaus qhov yuav tsum tau muaj rau streaming hauv internet feem ntau yog muab tso rau ntawm 25 Mb / s lossis nees nkaum tsib megabits-ib-ob. Qhov nruab nrab cable internet muab kev pabcuam feem ntau muaj 100 Mb / s lossis 200 Mb / s ntawm lawv tus nqi pib. Qee tus neeg muab kev pabcuam muab 1 Gb / s nrawm, uas ua haujlwm mus txog 1000 Mb / s.
Thaum nws los txog rau koj lub tsev network, koj yuav xav tau yam tsawg kawg nkaus ntawm Wireless N muaj peev xwm ntawm ob lub router thiab cov cuab yeej uas koj tau streaming rau. Feem ntau cov routers txhawb nqa Wireless AC lossis Wireless AX. Cov no muaj peev xwm ua tau nrawm dua li ntawm Wireless N. Hauv lwm lo lus, tsis txhob txhawj ntau dhau ntawm koj lub router.
Thaum nws los txog rau cov khoom siv streaming, Wireless N yog qhov tsawg kawg nkaus txhua tus tuaj nruab nrog. Txawm hais tias koj muaj Amazon Hluav Taws Xob, Apple TV, lossis Roku, koj yuav tsis pom lub cuab yeej tsis muaj peev xwm streaming.
Koj yuav tsum ua tib zoo saib rau ib qho ntxiv. Muaj ob lub teeb liab wireless, 2.4 GHz thiab 5.0 GHz. 2.4 GHz yog qhov qub ntawm ob thiab feem ntau siv. Yog li ntawd, feem ntau muaj kev cuam tshuam ntau dua ntawm cov teeb liab ntawd. Yog li, 5.0 GHz feem ntau suav hais tias yog qhov kev xaiv zoo dua rau kev tshaj tawm xov xwm. Nws tsis muaj nyob rau hauv txhua yam khoom siv, tab sis xyuas seb koj puas tuaj yeem ua kom zoo dua ntawm nws.
Setting Up Computer Networks for Streaming Media
Qee cov kev cai hauv network tau tsim tshwj xeeb rau kev tshaj tawm xov xwm, suav nrog Lub Sijhawm Streaming raws tu qauv (RTSP). HTTP kuj tseem siv tau yog tias cov ntsiab lus yuav tsum tau tshaj tawm muaj cov ntaub ntawv khaws cia ntawm lub vev xaib server. Cov ntawv thov Media player muaj cov kev txhawb nqa tsim nyog rau cov txheej txheem tsim nyog kom cov neeg siv feem ntau tsis tas yuav hloov ib qho chaw ntawm lawv lub khoos phis tawj kom tau txais cov suab thiab video ntws.
Piv txwv ntawm media player suav nrog:
- Web browsers (piv txwv li, Google Chrome thiab Firefox)
- VLC
- Kodi
- Spotify
- Windows Media Player
Thaum koj xav txog streaming, tej zaum koj yuav xav txog cov kev pabcuam streaming nrov. Cov no muaj apps rau streaming li thiab ntse TVs los yog muaj nyob rau hauv lub web los ntawm ib tug browser. Tsis zoo li streaming players, cov no tsis tas yuav muaj kev teeb tsa tshwj xeeb lossis nkag rau qhov chaw nyob ntawm video. Cov no yog cov yooj yim siv, xauj rau qhov koj xav tau, thiab xaiv nws.
Nov yog qee qhov kev pabcuam streaming nrov tshaj plaws:
- Netflix
- Hulu
- YDisney+
- Amazon Prime Video
- HBONow
- YYouTube TV
- SlingTV
FAQ
Qhov kev pabcuam video streaming zoo tshaj yog dab tsi?
Muaj ntau ntau txoj kev xaiv, yog li xaiv qhov kev pabcuam streaming zoo tshaj plaws nyob ntawm koj qhov xav tau thiab xav tau. Txawm li cas los xij, qee qhov kev pabcuam saum toj kawg nkaus yog Netflix, Hulu, thiab Disney +.
Dab tsi yog qhov browser zoo tshaj plaws rau streaming video?
Thaum xaiv qhov browser zoo tshaj plaws rau kev saib cov yeeb yaj kiab, xav txog yam koj xav saib. Yog tias koj xav tau kwj hauv HD, Microsoft Edge thiab Internet Explorer ntawm Windows (thiab Safari ntawm Mac) txhawb 1080p daws teeb meem. Google Chrome, Firefox, thiab Opera tag nrho cov kwj ntawm 720p.
Dab tsi yog qhov kev xav tau video streaming?
Nrog On-Demand video, koj tuaj yeem saib cov ntsiab lus thaum twg koj xav tau. Tsis tas li ntawd, koj tuaj yeem nres, ua si, nrawm nrawm, rov qab, thiab rov ua yeeb yaj kiab lossis nthuav tawm txhua lub sijhawm.
4K video streaming yog dab tsi?
4K kev daws teeb meem tseem hu ua Ultra HD. Txhawm rau kwj hauv 4K, koj yuav tsum pom 4K cov ntsiab lus ua ntej. Koj tseem yuav xav tau 4K TV thiab kev sib txuas hauv internet ceev thiab ruaj khov.
