IPTV - Waa maxay? IPTV playlist. Sida loo dhigay ilaa IPTV?

Maalmahan, sii kordheysa maqlay oo ku saabsan adeegyada sida television interactive, ama IPTV. Waa maxay? IPTV waa a nidaamka iyada oo loo marayo taas oo television Adeegyada waxaa loo bixiyaa iyadoo la isticmaalayo a set of Internet-maamuus badan baakadda-wareegay network (maxaliga ah ama caalami ah), halkii ay ka diraya xogta iyada oo loo marayo dhaqanka jidhadhka dhulka iyo satellite signalada iyo cable qaabab. Si ka duwan warbaahinta bixi caadiga ah, TV interactive bixisaa awood u leh inay qulquli macluumaad tiro yar oo isku xigta si toos ah uga il soo socda. Sidaas darteed, user u bilaabi kartaa loo maqli karo xogta (tusaale ahaan, movie a), ka hor inta file oo dhan waxaa loo wareejiyey. Waxa kale oo loo yaqaan warbaahinta geeyo.

Jawaabay su'aasha ah ee «IPTV -? Waa maxay", Waa inaad si deg deg ah in la ogaadaa in ay tahay ka Internet TV duwan, tan iyo markii ay fulinta dhacdaa ku saleysan shabakadaha isgaadhsiinta la channels helitaanka-xawaaraha sare iyo xogta la wareejiyo isticmaala dhamaadka via sanduuqyada set-top ama qalabka kale ee macaamiisha.

IPTV - liiska adeegyada la heli karo

adeegyada IPTV-waxa loo qaybin karaa saddex dacawo:

• Live la isugu gudbiyo ka soo TV warbaahinta hadda.
• TV in wakhtiga ugu dambaysta: ku celiskii la daawaday uu muujinayo TV, taas oo sii daayey dhowr saacadood ama maalmood ka hor, oo soo noqnoqda loo maqli karo of video aad kaliya daawaday.
• Video ku saabsan dalabka (VOD): awood u leh inay u eegto tusaha video oo aan xiriir la leh barnaamijka telefishanka.

IPTV - waxa ay tahay: qeexidda of technology

Taariikh ahaan, waxa uu qaaday isku dayo badan oo kala duwan si loo siiyo qeexidda dhabta ah ee IPTV. Technology Tani waxaa lagu tilmaamay sida set oo ah durdurrada hoose ama gaadiidka shabakadaha ku salaysan IP, iyo sidoo kale tiro ka mid ah hababka lahaansho.

An qeexidda rasmiga ansixiyey Midowga Caalamiga ah ee Isgaarsiinta. Sida laga soo xigtay isaga si IPTV - waa adeegyada multimedia (TV / iibsiga video / audio / text / naqshadeynta / data kale iyada oo loo marayo IPTV-ciyaaryahan), helay on shabakadaha ku salaysan IP. In ay fulinta soo baxday si ay u bixiyaan heerka ku filan adeegga, ammaanka, isku halaynta iyo interactivity.

Sida laga soo xigtay kale si rasmi ah loo aqoonsan yahay ilo, IPTV waxaa lagu qeexaa sida a ammaan ah oo lagu kalsoonaan karo bixinta si ay macaamiishu ka mid ah madadaalada video oo la xiriira adeegyada. Waxay ka mid noqon kara, tusaale ahaan, video on baahida (VOD) iyo television interactive (ITV). Waxay waxaa laga heli karaa iyada oo loo marayo shabakad baakadda-wareegay in uu isticmaalaa hab maamuuska IP in ay qaado audio, video iyo gacan ku haynta calaamadaha. Marka la barbardhigo video ku saabsan World Wide Web, marka aad bilowdid IPTV jirsado si ay u ilaaliyaan waxqabadka ammaanka iyo network weyn, taasoo keentay in warbaahinta ah aan guraynin.

Sidee si ay u horumariyaan TV a?

technology ayaa markii hore caqabad ku ah heerarka hooseeya ee wax lays broadband iyo qiimaha sare ee ku rakibidda taararka awood gaadiid content IPTV kalsoonaan karo macaamiisha guriga. Si kastaba ha ahaatee, isticmaalka maanta IPTV sii kordhaysa caadi ah, iyo tirada macaamiisha sii wadaan in ay koraan.

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TV Hardware - taasi waa qayb ka mid ah halkaas oo ku suntan, Windows XP oo waxay u dhiibeen qaab IP TV multicast channels durdurrada.

Platform VOD - meeshii hantida ku yaalaan video (IPTV playlist), la heli karo haddii la dalbado. Waxaa loo firfircoonaan marka user wuxuu sameeyaa codsi qaab IP durdur unicast.

portal Interactive u ogolaataa user in ay maraan adeegyada IPTV-kala duwan (sida buugga VOD) gudahood.

network sahayda - network baakadda-wareegeen, oo ay ku jiraan IP-kartoon (unicast iyo multicast).

Home TV Gateway - qeyb ka mid ah qalabka user ah, kaas oo gacanta ku hawshooda u ah ee la isugu gudbiyo macluumaadka ama ay gab.

IPTV Smart: qayb ka mid ah qalabka user in decodes iyo deciphers TV iyo VOD-content iyo waxay ku tusaysaa shaashadda TV-ga ah.

naqshadaha ee server network video ah

Iyadoo la raacayo, naqshadaha network, bixiyaha adeegga, waxaa jira laba nooc oo waaweyn oo naqshadaha server video. Waxay yaabaa in loo tixgeliyo geeyo of IPTV (set-up iyo hirgelinta). Noocyada loo yaqaan dhexe oo loo qaybiyey.

model Architecture dhexe waa xal fudud oo si sahlan ay u maareeyaan. Tusaale ahaan, tan iyo content oo dhan waxa lagu kaydiyaa server odayga, waxa aanu u baahan tahay nidaam dhamaystiran content qaybinta. Architecture-dhexe, sida caadiga ah, waxay ku habboon oo shabag ah, bixinta geeyo yar ee adeegyada VOD-leeyahay muhiimka ah awood ku filan iyo network content bixinta hufan (CDN).

Architecture qaybiyey waa sida scalable sida model ah badhtanka, si kastaba ha ahaatee, waxa ay leedahay awood isticmaalka hoose, iyo sidoo kale hawlaha maamulka nidaamka loo baahan yahay in si ay u maareeyaan network server weyn.

Wadayaasha qorsheynaya in ay ciidamo nidaam weyn waa in marka hore ka fiirsan hordhaca ah ee naqshadda dhismaha ah oo loo qaybiyey, tan iyo bilowgii, in IPTV wejiga qorshaynta xidhiidhka ka. Maxay ka dhigan tahay? noocyada Tani waxay u baahan ay caqli iyo casri ah technology-qaybinta macluumaadka si loo kordhiyo bixinta ku ool ah oo ka kooban in ka badan multimedia network bixiyaha adeegga ee a.

Networking guriga

Marar badan, albaab network, kaas oo bixiya xidhiidhka la leh helitaanka shabakadda internetka ah, ma ku dhow yahay inuu qalab IPTV (dhigay-top box) ee. seenyadan ayaa noqonaya mid wax caadi ah, si bixiyayaasha waxay bilaabeen in ay bixiyaan baakadaha adeegga la lifaaqan badan in hal macmiilka ah.

teknoolajiyada Network waxaa loo isticmaalaa this jira taararka guriga (tus, fiilooyinka korantada, khadadka telefoonka ama fiilooyinka coaxial) ama qalabka wireless, waxay noqdeen xal caadi ah in dhibaatadan. Taas macnaheedu waa in marka aad ku xidhi IPTV set-up oo xiriir si deg-deg ah waa.

faa'iidooyinka

Protocol-ku-saleysan madal Internet bixisaa faa'iidooyinka muhiim ah, oo ay ku jiraan awoodda in ay dadka dhexgalaan television leh adeegyada kale ee ku salaysan IP (helitaanka Internet broadband iyo VoIP).

network IP wareegeen sidoo kale kuu ogolaanayaa gudbinta content si weyn u badan oo ka shaqeynayaan. Sayidka, IPTV playlist default ku siin karaan wax ka badan barnaamij TV oo joogto ah. In TV ama satellite shabakad caadiga ah la isticmaalayo baahin technology video content oo dhan si joogto ah maraa "geysto" macmiilka kasta.

user The dooran kartaa mid ka mid ah fursadaha - si aad u eegto kala qaado oo keliya mid ka mid ah hannaanka ee channels cable ama satellite TV. Demin network-ku salaysan IP kala duwan ka shaqeeya. Content ayaa weli ku jira shabakadda, iyo sida ugu dhaqsaha badan macaamiisha ay doorteen content gaar ah, waxa uu isla markiiba uu bilaabo inuu baahiyey.

Si kastaba ha ahaatee, waxa ay sidoo kale ka dhigan tahay in asturnaanta macmiilka laguu balanqaadi karin in ka badan intii suurto gal ah shabakadaha TV ama satellite dhaqanka. qalabka technology IPTV (dhigay-top box iyo dhicidda) nafteeda sidoo kale uma shaqayn karo iyada oo loo adeegsanayo in ay jebiyaan ama ugu yaraan keeni cillad ka mid ah network gaarka ah.

interactivity

IP-madal kale oo ay bixisaa Tilmaamo muhiim ah in la sameeyo TV daawashada more interactive iyo shakhsiga. Bixiyaha Smart IPTV karaa, tusaale ahaan, waxay bixiyaan Guide la wada Program u ogolaanaya daawadayaasha in ay raadiso content by title ama magaca actor ee, ama si ay u siiyaan shaqeynta ka mid ah "sawir-in-sawirka" kuu ogolaanaya in aad si aad u eegto menu oo aan ka tago barnaamijka isagoo warbaahinta. Daawadayaasha arki karin tirakoobka iyo score halka daawashada ciyaar isboortiga, ama loo xakameeyo xagal camera uu noqon doono.

Users sidoo kale heli kartaa si aad u eegto photos ama muusiko dhegayso on your TV, waxaa xiran oo aad computer, ama xataa in la dhiso xakameynta waalidnimo.

Si jimicsi xidhiidhka ka dhexeeya ku qaata oo gudbiye u baahan yahay jawaab-celin channel. In this la xidhiidha, jidhadhka dhulka, satellite iyo cable shabakadaha, abuuray television, kuuma aan oggolaan inaad in ay ku xidhmaan interactivity. Si kastaba ha ahaatee, waxaa laga yaabaa in ay suurto gal by isku shabakadaha television shabakadaha xogta.

Video ku saabsan Baahida

technology IPTV Smart TV sidoo kale bixisaa video on technology dalabka (VoD), kaas oo u ogolaanaya qofka macaamiisha ah si dhirtuba barnaamijka internetka ama buugga film, in ay doortaan record gaar ah. warbaahin ee item ee la doortay bilaabo dhow isla on your TV ama PC.

Laga soo bilaabo dhibic farsamo of view, marka qofka macaamilka ah doorteen filim, xiriir unicast waxaa aasaasay intii u dhaxaysay decoder macaamiisha ah ee (dhigay sanduuqa top ama PC) iyo gudbinta server Streaming ah. shaqeynta maamulka Alarm (hakin, mooshin gaabis ah, dib u socon iyo D. sidaas on.) Waxaa la siiyaa iyada oo RTSP (Real Time Streaming Protocol).

The codecs ugu badan loo isticmaalo ee IPTV-ciyaaryahan u VoD, waa MPEG-2, MPEG-4 iyo VC-1. In isku day ah in ay ka fogaadaan content VoD burcad badeeda content waxaa sida caadiga ah lagu kala qaado foomka lo. Inkastoo sirta ah ee satellite iyo television cable baahinta - dhaqanka jir ah, bixitaanka IPTV-technology waxa loo arki karaa nooc ka mid ah maamulka xuquuqda digital. Filimku wuxuu, kaas oo la soo xulay, tusaale ahaan, waxaa la ciyaari karaa 24 saacadood ka dib markii lacag bixinta, ka dib markii taas video mar dambe waa la heli karo gudahood.

IPTV Salaysan isugu Services

Waxa kale oo faa'iido waa ku macquul ah oo is-dhexgalka iyo wada. Waxaa la wanaajiyey marka la isticmaalayo xal ku salaysan IMS. adeegyada isugu yimaadeen ay tilmaamaysaa is dhexgalka adeegyada hadda jira si ay u abuuraan waxyaabaha cusub qiimo-daray.