Kodi mungasinthire bwanji ku kanema wawayilesi wa digito ndikukhazikitsa nokha kulandirira tchanelo?

Posachedwapa, pakhala kusintha kwathunthu kwa kanema wawayilesi kupita ku digito, ndipo ntchito yatsopano yawonekera kwa ogwiritsa ntchito TV – kukhazikitsa kulandila kwake kwapamwamba. Mutha kuchita izi mothandizidwa ndi akatswiri komanso nokha.

Ubwino wa Digital TV

Poyerekeza ndi TV ya analogi, ukadaulo wa digito umapindula ndi mndandanda wautali wamaubwino, kupititsa patsogolo luso la wogwiritsa ntchito pa TV. Ubwino waukulu wa kanema wawayilesi wa digito:

• kumveka bwino komanso mawonekedwe azithunzi;
• kukulitsa kuchuluka kwa ma tchanelo omwe ali munjira yofanana;
• luso lojambulira mapulogalamu a pa TV ndi kupanga zolemba zakale;
• palibe kufunika kwa ma transmitter amphamvu;
• kusankha chilankhulo chowulutsa ndi mawu am’munsi;
• kuthekera kowonjezera wailesi ku multiplex;
• kuthekera kolandila ma sign a EPG.

Pali zovuta zochepa kwambiri za kanema wawayilesi wa digito:

• pa mvula yamkuntho komanso nyengo zina zovuta, chizindikirocho chikhoza kufalitsidwa bwino;
• pakakhala kufooka kwa chizindikiro (nthawi zambiri izi zimadalira kusankha kwa mlongoti), zidutswa za chithunzicho kapena chithunzi chonsecho chimaundana pang’ono.

Zomwe mukufunikira kuti mugwirizane ndi televizioni ya digito – zida zofunika

Kuti muwone makanema a digito, muyenera kugula TV yomwe imathandizira DVB-T2 , kapena kugula zida zowonjezera pa chipangizo chokhazikika. Mudzafunika chingwe chapamwamba kwambiri, cholandirira wailesi yakanema ya digito komanso cholumikizira chotha kugwira ntchito mumtundu wa decimeter. Kuyika kwaulere kwa kanema wa digito wa DVB-T2: https://youtu.be/g61v5Vrop9c

Kusankha mlongoti

Mlongoti wapakhomo uliwonse ukhoza kulandira chizindikiro cha digito. Kwa okhala m’nyumba zazitali, njira yabwino ndiyo kukhazikitsa antenna wamba (CETV) yanyumba yonse. Kwa anthu okhala m’mabizinesi, pali njira zotsatirazi:

• satellite dish yolandirira ma sign ndi njira yodalirika yomwe imagwira ntchito mosasamala kanthu za kuyandikira kwa nsanja, malo ndi nyengo;
• mlongoti wamkati – chitsanzo chokhazikika, choyenera ngati nsanja ya televizioni ili pafupi ndi mzake;
• mlongoti wakunja wakunja – ngati chizindikirocho sichili champhamvu kwambiri, nsanja ya TV ili kutali kapena mtunda umapangitsa kuti zikhale zovuta kulandira chizindikiro;
• chingwe TV – kumawonjezera phukusi la njira zomwe zilipo;
• IPTV – imapangitsa kugwiritsa ntchito nthawi imodzi zabwino zonse za kanema wawayilesi wa digito kuphatikiza ndi intaneti.

zida za TV

Mlongoti wokha siwokwanira – muyenera TV kuti muthe kulandira chizindikiro cha digito. Kwa eni zipangizo zamakono zomwe zatulutsidwa zaka 3 zapitazi, palibe chifukwa chogula zipangizo zowonjezera. Opanga apereka mphamvu yolumikizira wailesi yakanema ya digito popanda kugwiritsa ntchito bokosi / wolandila, kotero zitsanzo zamakono zimabwera ndi zida zomangidwa kuti zilandire chizindikiro choterocho.

Mukamagula TV yatsopano, muyenera kuonetsetsa kuti chitsanzo chomwe mumasankha chikugwirizana ndi miyezo ya digito. Makhalidwe ayenera kukhala ndi chinthu DVB-T2.

Mawu Oyamba

Ngati mumagwiritsa ntchito TV yomwe siyigwirizana ndi DVB-T2, muyenera kugula cholandirira – bokosi lokhazikika lomwe limalumikizana ndi TV ndikukulolani kuti mulandire chizindikiro cha digito. M’magulu osiyanasiyana ogulitsa zida zapa TV pali mabokosi apamwamba omwe amasiyana ndi magwiridwe antchito:

• SMART set-top box – chowonjezera pa TV polandila ma siginecha a digito ndi intaneti. Imakulitsa magwiridwe antchito – TV itha kugwiritsidwanso ntchito ngati kompyuta.
• Mabokosi apamwamba a mbale za satellite – zokhala ndi purosesa yamphamvu, zowonjezera zowonjezera.
• Zolandila za Hybrid – zimakulolani kuti mulandire ma satellite ndi ma chingwe.
• Zolandila zapadziko lapansi – zimagwira ntchito molumikizana ndi tinyanga wamba.
• Mabokosi apamwamba okhala ndi owerengera makhadi omangidwa – ogwiritsira ntchito makadi ogulidwa kuchokera kwa wothandizira.
• Receiver yokhala ndi slot ya CAM . Zida zoterezi zimatha kukonzedwanso mosavuta, kotero palibe chifukwa choopera kuti zidzatha ndipo sizidzatha kulandira chizindikiro.
• Zolandila zophatikiza . Amakhala ndi chowerengera chojambula makhadi, ali ndi kagawo ka CAM ndipo amatha kulandira mayendedwe a FTA. Zida zoterezi zimatha kugwira ntchito ndi ma multiplexes wamba, komanso njira zobisidwa. Ndikokwanira kuyatsa zosintha zokha za makiyi pazosankha kapena kuwalowetsa pamanja pogwiritsa ntchito chowongolera chakutali.
• Olandira omwe ali ndi njira yopezera zovomerezeka . Ichi ndi pulogalamu ya hardware yomwe imagwiritsidwa ntchito kuti ipeze njira zingapo zobisidwa zomwe sizipezeka muzochulukitsa.

Ndikoyenera kulabadira magwiridwe antchito a console ndi zina zowonjezera. Njira yabwino kwambiri imatengedwa kuti ndi SMART wolandila, yomwe idzakulitsa kwambiri kuthekera kwa ngakhale TV yosavuta kwambiri.

Mukamagula cholandila cha digito, muyenera kuwona ndi wogulitsa mwayi wobweza kapena kusinthanitsa katundu mkati mwa masiku 14. Izi ndizofunikira ngakhale chipangizocho chikafufuzidwa m’sitolo ndipo chinakhala chikugwira ntchito mokwanira. N’zotheka kuti mukamagwirizanitsa bokosi lokonzekera kunyumba, silingalandire chizindikiro kuchokera ku antenna bwino – pamenepa, muyenera kusankha chitsanzo choyenera.

Chingwe

Posankha bokosi lapamwamba la TV, muyenera kumvetsera kukhalapo kwa chingwe mu kit. Nthawi zina, mungafunike kugula adaputala ngati simungathe kulumikiza chingwe chophatikizidwa ndi TV yanu.

Momwe mungakhazikitsire malandidwe a kanema wawayilesi ndikulumikiza mayendedwe ku digito

Zida zonse zikagulidwa, mutha kuyamba kukhazikitsa. Ngati mutsatira malangizo, mukhoza kukhazikitsa ndi kukhazikitsa digito TV phwando nokha. Momwe mungalumikizire kanema wawayilesi wa digito ndikukhazikitsa mayendedwe apadziko lapansi: https://youtu.be/ScvZ6-GZ5Qk

Kulumikiza DVB-T2 pa TV ndi DVB-T2 thandizo: sitepe ndi sitepe malangizo

Mukhoza kukhazikitsa digito TV phwando pa TV ndi anamanga-DVB-T2 thandizo motere:

1. Lumikizani TV ndi netiweki.
2. Pezani cholowera cholumikizira kanema wawayilesi wa digito ndikulumikiza mlongoti pamenepo.
3. Yatsani TV ndikupeza zoikamo gawo.
4. Sankhani mawonekedwe a TV.
5. Mu menyu amene amatsegula, muyenera kupeza DVB-T2 kapena chochunira mode, onani mabokosi awa ndi kusunga zoikamo.
6. Tchulani dziko, ndi kuyatsanso njira yofufuzira tchanelo.
7. Sankhani DTV kuti mulandire njira zonse zapadziko lapansi za digito.

Ndikothekanso kusintha zokha malinga ndi algorithm iyi:

1. Lumikizani chipangizo ku mlongoti ndi maukonde.
2. Pezani DVB khwekhwe batani pa gulu ulamuliro TV.
3. Sankhani unsembe basi mu zoikamo.
4. Yembekezerani kukhazikitsidwa ndi kasinthidwe ka mayendedwe.

Kukhazikitsa kwachidziwitso kwa digito kumatenga mphindi 10, pambuyo pake mutha kuyamba kuwona njira zonse zomwe zilipo.

Ma aligorivimu pokhazikitsa kulandila kwa mayendedwe a digito amatha kusiyana kutengera wopanga ndi mtundu wa TV. Ngati chipangizocho sichingakonzedwe pogwiritsa ntchito ukadaulo wofotokozedwa, muyenera kuwerenga malangizo ake.

Momwe mungalumikizire TV ya digito popanda bokosi lokhazikika: https://youtu.be/eTme430os6g

Kulandila siginecha yapa TV ya digito pogwiritsa ntchito bokosi lapamwamba pa ma TV a analogi ndi digito

Ngati TV siligwirizana DVB-T2, muyenera choyamba kulumikiza wolandila, ndiyeno chitani ndi khwekhwe. Langizo la tsatane-tsatane munkhaniyi likuwoneka motere:

1. Chotsani wolandira kuchokera kumapangidwe oyambirira ndipo onetsetsani kuti muchotsa filimu yotetezera kuti chipangizocho chisatenthe.
2. Pogwiritsa ntchito chingwe cha RCA kapena HDMI, lumikizani bokosi lapamwamba ku TV yanu.
3. Lumikizani mlongoti kwa wolandira.
4. Yatsani TV ndikupita ku gawo la zoikamo.
5. Sankhani dziko.
6. Sankhani muyezo chizindikiro: DVB-T2 (digito) m’malo DVB-T (analogue).
7. Pamndandanda womwe umatsegulidwa, sankhani zosintha zokha ndikudikirira kuti ntchitoyi ithe.
8. Sungani zokonda.

Kwa ma TV akale omwe amangolowetsa mlongoti, olandila okhala ndi RF modulator angagwiritsidwe ntchito. Mabokosi apamwamba otere amalumikizidwa mwachindunji ndi kulowetsa kwa mlongoti, pomwe amatha kugwira ntchito mumtundu wa decimeter.

Ngati musankha DVB-T ndi DVB-T2 panthawi yokonzekera, TV idzalandira njira zonse zapadziko lapansi ndi digito panthawi imodzi.

Onani malangizo olumikizira TV ya digito pogwiritsa ntchito cholandila muvidiyoyi: https://www.youtube.com/watch?v=iZEDvnWyJgA

Kulandila kwa TV ya digito pakompyuta

Ndizotheka kulumikiza digito TV pa PC kapena laputopu, koma pa izi muyenera kugula zida zowonjezera – chochunira cha digito cha USB. Malangizo olumikizirana ndi kukhazikitsa:

1. Lumikizani chochunira cha digito chomwe mwasankha kudzera pa USB.
2. Yambitsani pulogalamu yatsopano yozindikira zida.
3. Ikani mapulogalamu kuti agwire bwino ntchito yolandila.
4. Yembekezerani kuti machanelo ajambule ndikuyamba kuwonera.

Kulumikiza matchanelo a digito kuti muwonere pakompyuta kuyenera kuchitika kokha ngati chipangizocho chikukwaniritsa zofunikira za opanga zolandila za USB.

Zolakwika ndi zovuta polumikiza kanema wawayilesi wa digito

Tekinoloje ya digito ili ndi chipangizo chovuta kwambiri, kotero sizingatheke kulumikiza nthawi yoyamba ndikupanga zonse. Pali zolakwika zingapo zomwe mungachite mukakhazikitsa malandidwe a digito pa TV.

firmware yachikale yolandila

Wolandira sangagwire ntchito popanda pulogalamu yoyenera. Ngati firmware ndi yachikale kapena idayikidwa molakwika, zovuta zotsatirazi zitha kuchitika:

• cholakwika chokhazikitsa kanema wawayilesi wa digito;
• njira zina sizigwira ntchito ;
• TV sichilandira chizindikiro bwino;
• mawonekedwe osawoneka bwino.

Kuwunikira wolandila, sikoyenera kunyamula chipangizocho kupita ku malo othandizira. Ngati disk yoyika ndi mapulogalamu idaphatikizidwa ndi bokosi lokhazikitsira pamwamba, muyenera kulumikiza kudzera pa chingwe cha USB ndikuyamba kukhazikitsa firmware. Ngati palibe disk yoyika mu kit, vutoli lingathenso kuthetsedwa. Pokhala ndi luso lofunikira pakugwira ntchito ndiukadaulo, mutha kuyikanso pulogalamuyo mwaokha pogwiritsa ntchito algorithm iyi.

1. Pezani tsamba lovomerezeka la wopanga lomwe linatulutsa mawu oyamba.
2. Mu gawo la mapulogalamu, pezani dzina lachitsanzo cholandirira kuti liwunikire.
3. Tsitsani zakale ndi pulogalamuyo ku kompyuta yanu ndikuzimasula mufoda ina.
4. Tumizani chikwatu chomwe chili pagalimoto yochotseka ya USB.
5. Patsamba la wopanga, pezani malangizo a pang’onopang’ono pakuyika pulogalamu yachitsanzo chomwe mwasankha.
6. Lumikizani atolankhani ku seti-pamwamba bokosi ndi kuchita unsembe.

Opanga amapereka kutsitsa firmware kwaulere. Ngati kulembetsa, kulipira, kapena SMS pakufunika, ndiye kuti ndi tsamba lachinyengo.

Mavuto a antenna

Ngati mlongoti salandira chizindikiro kuchokera ku mgwirizano woyamba, simuyenera kuthamanga mwamsanga ku sitolo ndikupempha kuti musinthe. Ndikoyenera kuyang’ana mfundo zotsatirazi:

• kulumikizana koyenera;
• pafupipafupi pamapu olumikizana a CETV;
• serviceability wa chingwe ndi kulankhula.

Ngati palibe zovuta zomwe zapezeka, mtundu wolakwika wa mlongoti ukhoza kusankhidwa. Ngati mlongoti ulibe mphamvu zokwanira kulandila ma siginecha apamwamba kwambiri, kugula ndikuyika chokulitsa kungathandize . Mukhozanso kuyang’ana mtundu woyenera kwambiri wa chipangizo cholandirira.

Ngati vutoli silingathetsedwe nokha, muyenera kulankhulana ndi katswiri. Mwina vuto liri mu zida, zomwe zimangofunika kusinthidwa kapena kukonzedwa pansi pa chitsimikizo.

Mavuto pa TV siteshoni

Mu 80% ya milandu, mavuto omwe amalandila ma TV a digito amayamba chifukwa cha kusokonekera kwa zida za wogwiritsa ntchito kapena zolakwika zomwe zimachitika pakukhazikitsa. Koma pali zochitika zomwe sizingakhale zomveka kuyang’ana zowonongeka kapena zolakwika pamakonzedwe. Popeza kusintha kwathunthu ku kanema wawayilesi wa digito sikunachitikebe m’magawo onse, zolephera zimachitika mwachindunji pawailesi. Kupewa kumachitidwanso nthawi ndi nthawi, munthawi ngati izi njira zama digito sizipezekanso. Ngati pali vuto ndi chithunzi kapena mwayi wopeza mapaketi a digito, koma zida zonse ndi zoikamo zili m’dongosolo, muyenera kuyimbira telefoni ya operekera. Makampani omwe amapereka ntchito zolumikizirana ndi kanema wawayilesi amadziwitsa nthawi zonse zakukonzekera zodzitetezera kapena zolephera zina,

Mafunso ndi mayankho

Pakuyika zida ndikukhazikitsa kanema wawayilesi wa digito, nkhani zosiyanasiyana zitha kubuka zomwe sizinatchulidwe mu malangizo kapena memo ya olembetsa.

Ndi ma tchanelo angati a digito omwe adzakhalepo?

Zonse zimadalira phukusi ndi dziko lolumikizana. Ku Russia, ma multiplex akupezeka – 20 njira zoyambira. Ku Ukraine ndi 32 njira. Ngati mungalumikizane ndi wothandizira, njira za phukusi zidzapezeka – kuchokera pa 50 kapena kuposerapo, koma ndalama zolembetsa pamwezi zidzafunika.

Chifukwa chiyani meseji “palibe chizindikiro” idawonekera pazenera?

Ngati zonse zidachitika kale, pangakhale zifukwa ziwiri – pulagi ya chingwe yosweka kapena chizindikiro choyipa chifukwa cha ntchito yokonza pawailesi yakanema.

Chifukwa chiyani matchanelo onse sakuwonetsedwa?

Phukusi lokhazikika la kanema wawayilesi wapadziko lonse lapansi lili ndi ma tchanelo ochepa. Ngati njira yomwe ili gawo la ma multiplex olumikizidwa sikuwonetsedwa, muyenera kuyang’ana mulingo wazizindikiro – pangakhale mavuto ndi mlongoti.

Kodi ndingalandire tchanelo ndi ma digito nthawi imodzi?

Inde, ndizotheka, koma izi zidzafuna kugwiritsa ntchito kowonjezera kwa cholumikizira ma siginecha a TV. Zowonjeza zoterezi nthawi zambiri zimagulitsidwa m’masitolo a zida za kanema wawayilesi. https://youtu.be/0opTiq5EQWU

Chifukwa chiyani ma channel akulendewera?

Ngati panthawi yowonera chithunzi pawindo chikuyamba kuzizira kapena kuwola kukhala ma pixel, pali chifukwa chimodzi chokha – kuwonongeka kwa chizindikiro chifukwa cha kuwonongeka kwa mlongoti kapena nyengo yoipa. Mukagula mbale ya satana, simungadalire nyengo.
Podziwa zidziwitso zoyambira pakulumikiza ndikukhazikitsa malandilidwe a kanema wawayilesi, mutha kusintha pawokha kuchokera kuukadaulo wa analogi. Ngati, pazifukwa zina, simungathe kukhazikitsa pulogalamuyo kapena kukhazikitsa mayendedwe, ndikwabwino kulumikizana ndi malo ogwirira ntchito ndikuyika ntchito yosinthira kuukadaulo wamakanema a digito.