DVB-H vs DMB-Nokia vs Samsung

[pete21]

To DVB-H einai mia texnologia pou exei anaptuksei h Nokia gia live interactive tv se teleia poiothta kai hxo.Me rythmo metadoshsi 11mbps.

To DMB einai h texnologia ths Samsung me mikrotero rythmo metadoshs 1,5Mbps

alla basizetai sto psifiako radiowfono kai xrhsimopoiei oles tis teleutaies texnologies kwdikopoihshs(px H.264)

Kapoies etairies tha xrhsimopoiohsoun to DVB-H opws px h Sony

kai kapoies alles opws h LG electronics to DMB.

Ap'oti gnwrizw sthn Eurwph tha kathierwthei to DVB-H (hdh h Nokia anakoinwse to prwto kinhto).

Den kserw poia texnologia tha epikrathsei telika, alla makari na erxotane kai to DMB sthn Eyrwph..gia na mporousame na sugkrinoume.

Elpizw kai t'antistoixa kinhta na fthasoun sthn Ellada, kai oxi opws ginetai me thn Sharp pou erxontai liga kommatia logo Vodafone

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[therock]

Nai kati akousa gia to Nokia n92 pou tha ipostirizei dvb-h alla pos tha vlepoume doriforika kanalia apo to kinito???Tha exei ensomatomeno doriforiko dekti?Tha ipostirizei kai kartoules apokriptografiseis kanalion?

 

TO DMB einai mono gia radiofono?

[pete21]

Nai,to Noklia n92 tha uposthrizei dvb-h!

To kinhto den tha exei nswmatomeno doruforiko dekth.Alla tha sthrizetai sthn epigeia pshfiakh metadosh. Opws sumbainei kai stis thleoraseis...dhladh uparxei to DVB-C kalwdiakh thleorash, to DVB-S doruforikh thleorash (doruforikos dekths) kai to DVB-T epigeia pshfiakh thleorash (mia aplh keraia lhpshs)

To DVB-H einai mia ekseliksh tou DVB-T gia kinhtous dektes.

Tha mporoume na blepoume diaforetika kanalia apo to kinhto! Kai ayto einai to pleonekthmata tou!Bebaia prepei na brethoun kai oi providers....

To DMB oxi den einai mono gia radiwfwno, alla genika yphresisa pshfiakhs metadoshs polumeswn.Dhladh kai video,hxo kai eikona. Aplws opws to DVB-H sthrizetai sto DVB-T, etsi kai to DMB sthrizetai sto DAB(pshfiako radiwfwno).

[therock]

Hmm endiaferon,se eyxarito gia tin enimerosi.Tora apo times na doume ti tha pezei.Gia to dvb-h as poume apo pou tha perneis sindromi?Apo etairies kinitis tilefonias?Diladi mazi me to logariasmo tha sou exoun kai prosfora gia tin sindromi,i ksexorista tha tin perneis tin sindromi ayti?

[pete21]

To pou tha pairneis sundromh oso afora thn Ellada den to gnwrizw.Fantazomai tha ginei to idio opws paei na ginei sthn Filandia, apo tous mobile operators.Oi broadcasters tha kerdizoun lefta apo to periexomeno to opoio tha promhtheuon stous mobile operators.

Gia na ginei to DVB-H prepei na mporun oi katallhles keraies fusika, enw to DMB san ekseliksh pshfiakou radiwfwnoy exei etoimo to diktyo...

[therock]

Ti enoeis kairaies?Oi mobile providers na topothetisoun kairees gia tin lipsi?

 

Tora oso gia tin xreosi,elpizo na einai kana miniaio pagio kai oxi kammia apotiximeno xronoxreos deyterolepton!!!!

[pete21]

Prepei na uparxei antistoixo diktyo.Gia na katalabeis..

To DVB-H einai h ekseliskh toy DVB-T. To DVB-T sthn Ellada sen uparxei, exoume mono doryforikh thleorash (h gnwsth platforma) kai oxi kalwdiakh kai oxi epigeia.

Ta kanalia sthn Ellada ekpempoun analogika, kapoia stigmh tha ginei kai h allagh se pshfiaka(mallon se polla xronia..)

Gia ekpomph pshfiakh xreiazetai kai o antoistixos pompos (keraia), to antistixo fasma kai genika to antistoixo diktyo.Gia lipsh den xreiazetai na topethethtoun kainouries keraies, autes pou einai hdh.Dhladh apla me to kinhto sou tha lambaneis shma pshfiakhs thleorashs. Oi Broadcasters tha prepei na topethethsoun keraies ekpomphs.

Enw me to DMB pou basizetai sto pshfiako radiwfwno, to pshfiako radiwfwno exei etoimo diktuo,leitoyrgei sthn Ellada..px mesw doryfwrwn.

Oso gia thn xrewsh Elpizw kai gw mhnaio pagio, giati aliws tha mas ksefragkiasoun.. ;-Q