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  1. #1
    Junior, da' cresc Mentor
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    Default HDTV pe receiver?

    Salut!

    Am reusit de curand sa vad HDTV cu SS2 si ma intreb de ce nu se poate vedea si un receiver FTA? Frecventa imi intra ( 1080 de pe Sirius ) dar in loc de imagine am doar niste linii colorate pe ecran. Stiu ca emit tot in MPEG2, ceea ce stie si receiveru. Mai e vreo ghidushie pe care n-o stiu?

    Mersic!
    xyboox. Din Transilvania.

  2. #2
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    Default Pai ar mai fi ....

    Eu zic ca ar mai fi niste ghidusii .... structura imginii digitale in HDTV este total diferita ... numar de pixeli pe linie / numar de linii pe frame ... in cel mai bun caz ai avea nevoie de un convertor HDTV / PAL ca sa poti vedea si tu ceva coerent ... intrebarea-i ce rost ar avea ?

  3. #3
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    Default

    Hi xyboox,

    Cauta pe internet la producatorii germani sau revista Tele-Satellite International de anul trecut si vei gasii receptor special pentru HDTV! satelescu

  4. #4
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  5. #5
    Junior, da' cresc Mentor
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    Default

    mersic fain de raspunsuri.

    desi am inteles ce-mi trebuie sa pot vedea hdtv ( un convertor hd/pal - sau un receiver care stie de-a gata hdtv ), nu inteleg cum vine treaba asta cu mai multe rezolutii pt mpeg2. adica unii transmit mpeg2 in 704x576 iar altii in 1900x1080 si se cheama ca e tot codare mpeg2. pai mpeg2, ca si standard, nu are o rezolutie unica? sau m-am pierdut in prea multe cugete?
    xyboox. Din Transilvania.

  6. #6
    Junior Member Teacher
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    rezolutia mpeg2 e standard dar nu in totdeana e 704x576 .dinratiuni comerciale programele unt nghesuite pe transponder si nu se respecta intotdeauna aceste standarde.
    daca ai ss2 incearca sa faci niste inregistrari si vei vedea diferentele de calitate si rezolutiile adoptate.
    cu cit rezolutia e mai mare cu atit imaginea va fi mai buna, desigur daca si alocarea de mbps va fi alocata corespunzator.

  7. #7
    Junior, da' cresc Mentor
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    rezolutia mpeg2 e standard dar nu in totdeana e 704x576 .dinratiuni comerciale programele unt nghesuite pe transponder si nu se respecta intotdeauna aceste standarde.
    daca ai ss2 incearca sa faci niste inregistrari si vei vedea diferentele de calitate si rezolutiile adoptate.
    cu cit rezolutia e mai mare cu atit imaginea va fi mai buna, desigur daca si alocarea de mbps va fi alocata corespunzator.
    sigur ca am incercat record si am vazut diferenta de calitate. era si de asteptat...calitate super da...si dimensiune la file...de umple hdd-ul in notime..
    xyboox. Din Transilvania.

  8. #8
    Member Mentor
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    Default

    Salut,

    Cam tarziu ne trezim cu HDTV-ul.
    Eu receptionez - mai bine zis 'prind' aceste linii colorate cu un Panasonic
    TU- DSF-31. Imaginea se prezinta ca o pijama orizontala, in anumite momente aveam si sigla de Euro1080 cat ecranul de mare. Practic receprionez sfertul stanga sus a imaginii. Problema e si cu rezolutia - si nu numai, ci si cu bitrate care-i limitat la 15MB/s la receptoare digitale conforme MPEG2 DVB, pe cand HDTV e de la 18-22 MB/s * a nu se incucra
    cu acele careacteristici de MS/s ale transponderului, care nu face probleme nici la 40 MS/s, fiind vorba de intreg pachetul nu numai de un singur stream.
    Pot confirma semnalul de pe Sirius, dar si cea de pe Astra 19.2 E 12.168 MHz
    Mai sunt niste teste Canal+ France HD promo 12.581 V 22000
    Premiere pe 11.914 H 27.500
    Astra HD Promo 12.441 V 27.500
    astea ultime doua nu le receptionez.

    S-a vorbit la un moment dat de un modul CAM care sa permita HDTV /MPEG4 la receptoare actuale prin simpla intropducere in slotul CI.
    Nu mai situ cum a ramas faza - Technisat le 'producea' sau avea intentia de a le produce.

    Numai bine si spor la pijamale orizontale ....

    Alf

  9. #9
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    Cu permisiunea voastra, cateva date :


    The earliest work on analog HDTV started in Japan in the late 1960s, and development continued through the 1970s and 1980s. In 1987, US broadcasters petitioned the Federal Communications Commission (FCC) to reserve spectrum for HDTV broadcasting. The FCC formed an industry wide advisory committee to select a standard, and many different analog approaches were considered. In 1991 four competing groups proposed revolutionary digital HDTV approaches, which were extensively tested. In 1993 the FCC encouraged the competing proponents to join forces and develop a "best-of-the-best" digital system. The resulting "Grand Alliance" system was developed, documented as the ATSC (Advanced Television Systems Committee) standard, tested, and recommended to the FCC by the end of 1995. The FCC approved the digital television standard on December 24, 1996. The first HDTV receivers were introduced in 1998, and HDTV broadcasts have been steadily increasing since that time.

    Sursa NBC

    FAbian23

  10. #10
    ER' MEJO Moderator - Expert
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    Default

    Quote Originally Posted by fabian23
    Cu permisiunea voastra, cateva date :


    The earliest work on analog HDTV started in Japan in the late 1960s, and development continued through the 1970s and 1980s. In 1987, US broadcasters petitioned the Federal Communications Commission (FCC) to reserve spectrum for HDTV broadcasting. The FCC formed an industry wide advisory committee to select a standard, and many different analog approaches were considered. In 1991 four competing groups proposed revolutionary digital HDTV approaches, which were extensively tested. In 1993 the FCC encouraged the competing proponents to join forces and develop a "best-of-the-best" digital system. The resulting "Grand Alliance" system was developed, documented as the ATSC (Advanced Television Systems Committee) standard, tested, and recommended to the FCC by the end of 1995. The FCC approved the digital television standard on December 24, 1996. The first HDTV receivers were introduced in 1998, and HDTV broadcasts have been steadily increasing since that time.

    Sursa NBC

    FAbian23

    in japonia america si australia hdtv edte deja de 10 ani.

    alte receptoare mai eftine pt hdtv sunt si fortecstar,nu stiu bine care
    modele.

  11. #11
    Junior Member Friend
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    Default Re: HDTV pe receiver?

    As vrea si eu sa vad HDTV cu SS2...dar stiu ca nu se poate discuta pe forum...Te rog, daca vrei sa ne scriem pe e-mail. Adresa mea este: [email protected]. Multumesc anticipat pentru ajutor. Numai bine.

    Se poate discuta linistit .
    Quote Originally Posted by xyboox
    Salut!

    Am reusit de curand sa vad HDTV cu SS2 si ma intreb de ce nu se poate vedea si un receiver FTA? Frecventa imi intra ( 1080 de pe Sirius ) dar in loc de imagine am doar niste linii colorate pe ecran. Stiu ca emit tot in MPEG2, ceea ce stie si receiveru. Mai e vreo ghidushie pe care n-o stiu?

    Mersic!

  12. #12
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    Default Re: HDTV pe receiver?

    Quote Originally Posted by sg
    As vrea si eu sa vad HDTV cu SS2...dar stiu ca nu se poate discuta pe forum...
    nu se poate discuta pe forum

    citeste aici:

    http://www.********.com/f2/viewtopic.php?t=25299&start=0

  13. #13
    Junior, da' cresc Mentor
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    Default

    exista un thread pe ********, la linkul de mai sus, dat de "bbox". eu am reusit sa vad hdtv pe ss2 pornind de acolo.
    problema mea era ca nu pot vedea HD cu receiverul clasic. Da'...m-am lamurit de, multumita replay-urilor din acest topic.
    xyboox. Din Transilvania.

  14. #14
    dibaci Expert
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    Default

    La ora asta ma uit la DJ Tiesto in concert la Disneyland pe
    Euro 1080(HD 1).Imagine buna,sunet prost.
    [SIGPIC][/SIGPIC]

  15. #15
    Junior, da' cresc Mentor
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    Default

    La ora asta ma uit la DJ Tiesto in concert la Disneyland pe
    Euro 1080(HD 1).Imagine buna,sunet prost.
    ...ca doar n-ai reusit sa-l "desfaci"
    cuuum
    xyboox. Din Transilvania.

 

 

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