Lo lus tseem ceeb: IPTV; OTT TV lag luam; txoj kev loj hlob; sib
Lub lag luam IPTV tau tsim nyob rau xyoo 2005. Tam sim no, lub lag luam TV no tau ua tiav kev txhim kho zoo thiab tuaj yeem muab cov yeeb yaj kiab TV meej meej rau ntau tus neeg tuaj saib. Lub lag luam OTT TV tau tsim txoj hauv kev tshiab hauv xyoo 2011, kev sib koom ua ke TV thiab Is Taws Nem, yog li tsim cov qauv kev pabcuam hauv Is Taws Nem TV, thiab cov khoom xws li LeTV lub thawv, ntse TVs, thiab huab TVs tau yug los ib zaug. Tsab ntawv xov xwm no yuav qhia txog kev txhim kho ntawm IPTV thiab OTT TV cov kev pabcuam raws li, thiab sib tham txog kev txhim kho ntawm ob qhov kev pabcuam no.
1. Cov xwm txheej quo ntawm IPTV thiab OTT TV kev txhim kho kev lag luam
Lub ntsiab lus dav dav ntawm IPTV cov kev pabcuam yog TV, uas feem ntau yog hloov dua siab tshiab los ntawm lub thawv teeb tsa lossis cov khoom siv digital (cov cuab yeej yuav tsum muaj peev xwm ua tau zoo video thiab audio decoding peev xwm), thiab tib lub sijhawm, tswj los ntawm cov chaw taws teeb tswj. tswj. Ntawm IP network ntawm cov kev pabcuam no, cov kev pabcuam sib tham sib sib tham muaj cov haujlwm QoS / QoE, thiab kev ruaj ntseg, kev ntseeg siab thiab kev sib tham sib tau zoo heev. Hauv xyoo 2010, IPTV kev lag luam tau tsim kho sai dua, maj mam tsim cov qauv kev paub tab, thiab cov neeg siv cov nplai txuas ntxiv mus. Hauv 2012, tus naj npawb ntawm IPTV cov neeg siv lag luam tau mus txog 20 lab. Nyob rau tib lub sijhawm, IPTV kev lag luam kuj tau hloov kho dua tshiab rau kev lag luam tseem ceeb ntawm Tuam Tshoj txoj kev lag luam broadband. Tam sim no, RTSP hom ntsiab lus coding ntawm IPTV cov kev pab cuam yog qhov feem ntau siv H.264 CBR coding, uas tuaj yeem muab kev lees paub txaus rau kev yees duab zoo thiab tuaj yeem siv raws li qhov xav tau, tshaj tawm hauv xov tooj cua thiab scenes nrog ntau qhov kev tawm dag zog. RTSP hom ntawm IPTV kev pabcuam muaj qhov ntsuas siab tsis tu ncua ntawm 8 txog 10 Mbit / s, thiab tus nqi tsis tu ncua ntawm SD ntawm 1.3 thiab 2.5 Mbit / s. Qhov kev pabcuam no xav tau tus neeg rau zaub mov tshwj xeeb hauv cov ntsiab lus xa mus ua haujlwm, thiab cov txheej txheem kev siv yog qhov nyuaj. Cov kev xav tau zoo yog siab heev, tshwj xeeb tshaj yog rau cov duab jitter, bandwidth thiab ncua sijhawm. Los ntawm qhov kev xav ntawm kev pabcuam zoo, RTSP hom kev lag luam IPTV muaj kev ruaj ntseg zoo thiab ua haujlwm siab; los ntawm qhov kev xav ntawm kev pabcuam kev ua haujlwm, RTSP hom ntawm IPTV kev lag luam tuaj yeem txhawb nqa kev xav tau thiab kev tshaj tawm nyob.
OTT TV tus txheej txheem HTTP cov ntsiab lus encoding yog H.264 VBR encoding feem ntau siv, uas feem ntau siv tus nqi qis los txhim kho kom pom tseeb, thiab tsis haum rau kev tshaj tawm hauv xov xwm. Tam sim no, qhov nruab nrab-txhais code tus nqi ntawm OTT TV kev pabcuam HTTP yog 1.3 Mbit / s, nrog tus nqi siab tshaj ntawm 4 txog 5 Mbit / s; Qhov nruab nrab tus qauv txhais lus tus lej yog 800 kbit / s, nrog tus nqi siab tshaj ntawm 2 Mbit / s. Txoj kev HTTP ntawm OTT TV kev pabcuam xav tau kev pab los ntawm ib tus neeg rau zaub mov hauv cov ntsiab lus xa mus ua haujlwm, cov txheej txheem ua haujlwm yog yooj yim heev, thiab cov kev cai rau kev sib txuas lus zoo kuj tsis tshua muaj, suav nrog cov kev xav tau rau cov duab jitter, bandwidth thiab ncua sijhawm. Los ntawm qhov kev xav ntawm qhov kev pabcuam zoo, HTTP txoj kev ntawm OTT TV kev pabcuam tsis muaj kev lees paub zoo, thiab tsis siv cov software yuav tsum tau rub tawm; los ntawm qhov kev xav ntawm kev pabcuam kev ua haujlwm, HTTP txoj kev ntawm OTT TV kev pabcuam yog tsim nyog rau kev tshaj tawm xov xwm.
2. Txoj kev loj hlob ntawm IPTV thiab OTT TV cov kev pabcuam
2.1 Diversification ntawm cov ntsiab lus kev pabcuam
Vim tias feem coob ntawm cov neeg siv cov kev thov rau TV terminals tsis yog tsuas yog saib cov yeeb yaj kiab xwb, tab sis kuj cia siab tias yuav tau txais ntau yam kev pabcuam sib xyaw ua haujlwm (cov kev pabcuam muaj nqis ntxiv). Cov kev pabcuam muaj nqis ntxiv tsis yog tsuas yog ua kom tau raws li cov kev xav tau ntawm cov neeg siv khoom thiab txhim kho cov neeg siv khoom txaus siab, tab sis kuj tseem ua rau cov ntsiab lus kev pabcuam tsis tu ncua thiab nthuav tawm ntau yam kev siv nyiaj ntxiv los tsim cov ntsiab lus kev pabcuam sib txawv. Tsis tas li ntawd, vim tias cov neeg siv tau muab cov kev xav tau siab dua rau cov kev pabcuam hauv TV thiab cov kev tshaj tawm xov xwm zoo, txhawm rau kom tsis txhob muaj TV program jamming thiab tshuaj ntsuam jitter thaum tshaj tawm, thiab txo qhov cuam tshuam tsis zoo ntawm huab cua tshwj xeeb hauv TV, cov hauv qab no feem ntau Qhov tseem ceeb tshaj plaws yog kev nce qib ntawm high-txhais teeb-saum lub thawv. Tam sim no, cov chaw muab kev pabcuam IPTV tseem ceeb txhua tus siv 4K high-txhais teeb tsa lub thawv, thiab cov yeeb yaj kiab siab txhais tau nce los ua cov yeeb yaj kiab tseem ceeb ntawm IPTV kev lag luam thiab OTT TV lag luam. Tsis tas li ntawd, lub teb chaws triple network kev koom ua ke ua haujlwm endows TV, xov tooj ntawm tes thiab Pad nrog ntau lub vijtsam sib tham ua haujlwm, tsim kom muaj kev ua si triple, thiab txhawb kev sib cuam tshuam ntawm cov neeg siv thiab TV video program.
2.2 Daim ntawv thov platform networking
Nyob rau hauv cov ntaub ntawv hnub nyoog ntawm lub xyoo pua 21st, qhov kev pab cuam IPTV thiab OTT TV cov kev pab cuam daim ntawv thov platform tau nkag mus rau hauv lub network, uas tuaj yeem paub txog kev txhim kho sai ntawm cov kev pabcuam muaj nqis ntxiv, ua kom muaj kev sib koom ua ke tswj kev pabcuam ntawm ntau lub davhlau ya nyob twg, qhia txog kev siv technology sai, thiab optimize cov kev pabcuam kev koom ua ke ntawm tag nrho lub network Function. Ntxiv mus, lub networked platform muaj peev xwm txhawb nqa ntau yam terminals, ntau hom encoding, thiab ntau streaming media, ua rau streaming media system khiav hauj lwm zoo.
2.3 Video HD
Raws li kev sib tw siab ntawm kev nce siab txhais cov ntsiab lus ntawm cov yeeb yaj kiab hauv online, IPTV cov kev pabcuam siab txhais tau ua rau kev txhim kho txuas ntxiv ntawm kev nrawm nrawm, cov neeg siv bandwidth feem ntau ncav cuag ntau dua 100M, thiab tus nqi ntawm cov ntsiab lus siab-sab saum toj lub thawv tseem poob qis. Qhov no tseem muab cov xwm txheej yooj yim rau kev txhim kho cov kev pabcuam hauv TV. Ntawm no Hauv keeb kwm yav dhau, IPTV thiab OTT TV cov chaw muab kev pabcuam yog niaj hnub ua kom muaj txiaj ntsig zoo cov ntsiab lus video. Nyob rau hauv lub neej yav tom ntej, high-txhais yees duab yuav dhau los ua lub ntsiab ntawm IPTV thiab OTT TV video. streaming media service system ntawm cov kev pabcuam video yuav hloov zuj zus mus rau hauv kev coj ua ntawm kev sib koom ua ke. Txhawb kev nkag mus rau ntau lub terminals, txhawb kev tsom xam ntawm ntau hom encoding thiab ntau streaming media tswj raws tu qauv, thiab nthuav qhia huab xam tshuab kom txo cov nqi khaws cia, kom cov streaming media service system tuaj yeem muab kev txhawb nqa ntau dua thiab muaj zog. fusion thev naus laus zis ntawm kev pabcuam video tau hloov zuj zus mus rau ntau lub vijtsam. Ib qho screen video pabcuam thev naus laus zis hloov pauv mus rau ntau lub vijtsam video seamless hloov tshuab, paub txog ntau lub vijtsam kev lag luam thiab kev sib tham siv thev naus laus zis, thiab muab kev pabcuam video lag luam txhua lub sijhawm, nyob qhov twg.
2.4 Diversification ntawm daim ntawv thov kev lag luam
Txawm hais tias nws yog IPTV kev lag luam lossis OTT TV lag luam, daim ntawv thov kev lag luam yog pom tseeb tias muaj kev sib txawv, thiab hom kev pabcuam kuj nce ntxiv. Lub npe hu ua "app market" tshwj xeeb yog hais txog lub khw muag khoom siv hluav taws xob uas muab kev pabcuam game thiab daim ntawv thov rub tawm rau cov khoom siv txawb xws li xov tooj ntawm tes, ntsiav tshuaj, thiab laptops. Ntxiv mus, daim ntawv thov kev lag luam yog kwv yees muab faib ua Android daim ntawv thov kev lag luam thiab App Store (rau ios systems). Tam sim no, App Store feem ntau yog muab faib rau hauv daim ntawv teev npe, tshawb nrhiav, xa mus rau sab nraud thiab kev pom zoo, thiab lwm yam. Raws li kev soj ntsuam, qhov ntim ntawm cov npe thiab kev tshawb nrhiav yog qhov siab tshaj plaws. Tsis tas li ntawd, cov kev tshaj tawm tam sim no los txhim kho kev tshawb nrhiav thiab qeb duas suav nrog cov phab ntsa qiv nyiaj (ua kom muaj kev txhawb zog los txhawb cov neeg siv kev txaus siab rau kev rub tawm, thiab thaum kawg ua tiav lub hom phiaj ntawm qeb), ASO (app khw optimization) thiab tawm tswv yim optimization. Qhov thib ob, tam sim no hauv kev lag luam hauv kev lag luam hauv daim ntawv thov suav nrog Baidu Mobile Assistant, 360 Mobile Assistant, Xiaomi Application Market, Mobile Apps thiab Pea Pods. Nyob rau tib lub sijhawm, feem ntau cov neeg thib peb hauv kev lag luam hauv kev lag luam tsis yog tsuas yog them nyiaj tshaj tawm txoj hauv kev xws li kev them nyiaj raws li kev ua haujlwm (CPA), kev them nyiaj raws li qhov chaw (CPT), thiab them nyiaj raws li txoj haujlwm sib tw (CPD), tab sis kuj muaj. thawj zaug tso tawm, pauv ntim thiab kev sib tw txhawb nqa. , cov lus pom zoo ntawm cov khoom tshiab, cov ncauj lus tshwj xeeb, thiab lwm yam. Nws tsis tuaj yeem tsis quav ntsej tias qhov kev sib tw muaj zog heev vim tias qhov chaw tshaj tawm txwv tsis pub nyob hauv txhua daim ntawv thov kev lag luam. Tam sim no, ntau tus neeg muab kev pabcuam niaj hnub hloov kho cov ntsiab lus ntawm kev pabcuam IPTV thiab OTT TV lag luam. ) thiab lwm yam kev them nyiaj txhawb nqa los nthuav cov kev cuam tshuam ntawm daim ntawv thov kev lag luam, thiab sib txuas ua ke txhim kho lub npe, video, screenshot, cov ntsiab lus, lus piav qhia, cov ntsiab lus thiab cov lus pom ntawm TV lag luam kom muaj txiaj ntsig zoo ntawm daim ntawv thov kev lag luam. Tsis tas li ntawd, nyob rau hauv cov txheej txheem ntawm app khw lub npe optimization thiab txhim kho lo lus tseem ceeb, tus neeg muab kev pabcuam tau xaiv cov software zoo tshaj plaws xws li Appcodes thiab Radar, thiab los ntawm kev npaj thiab sib txuas 100- lo lus tseem ceeb tshawb nrhiav, 50 lo lus tseem ceeb tuaj yeem npog 730 Keywords. , muaj 200 lo lus tseem ceeb nyob rau saum 10.
3. Cov lus xaus
Txhawm rau kom ua tiav, txhawm rau ua kom zoo dua IPTV thiab OTT TV kev tswj hwm kev lag luam thiab txhawb nqa kev txhim kho ntawm ob qhov kev pabcuam no, nws yog ib qho tsim nyog yuav tsum ua kom muaj zog ntawm cov ntsiab lus ntawm cov kev pabcuam video, tsim kom muaj kev sib koom ua haujlwm platform, paub txog kev txhim kho sai ntawm tus nqi- ntxiv cov kev pabcuam, thiab koom ua ke ntau lub davhlau ya nyob twg. Kev tswj hwm kev pabcuam, qhia txog kev siv tshuab nrawm nrawm, ua kom zoo dua qhov kev pabcuam kev sib koom ua haujlwm ntawm tag nrho lub network, thiab tsim kom muaj ntau hom kev lag luam.
