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  1. #1
    Junior Member Teacher
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    Default Can anybody explain what is HDTV


    Dear Friends,

    What is HDTV system ?
    Technosat, Humax, Starsat, Metabox, Kaon, Dreambox, Nokia, and echolink all i have in one room.

  2. #2
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    An HDTV capable Plasma tv

    A standard of digital television that is getting a lot of popularty right now. It is called high-definition television, or HDTV. HDTV is high-resolution digital television (DTV) combined with Dolby Digital surround sound (AC-3). HDTV is the highest DigitalTV resolution in the new set of standards. This combination creates a stunning image with stunning sound. HDTV requires new production and transmission equipment at the HDTV stations, as well as new equipment for reception by the consumer. The higher resolution picture is the main selling point for HDTV. Imagine 720 or 1080 lines of resolution compared to the 525 lines people are used to in the United States (or the 625 lines in Europe) -- it's a huge difference!

    The resolutions formats used in HDTV are:

    * 720p - 1280x720 pixels progressive
    * 1080i - 1920x1080 pixels interlaced
    * 1080p - 1920x1080 pixels progressive

    "Interlaced" or "progressive" refers to the scanning system. In an interlaced format, the screen shows every odd line at one scan of the screen, and then follows that up with the even lines in a second scan. Since there are 30 frames shown per second, the screen shows one half of the frame every sixtieth of a second. For smaller screens, this is less noticeable. As screens get larger, the problem with interlacing is flicker.

    Source: http://tlogic.co.nr

  3. #3
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    Default

    the above mentioned resolutions 720p, 1080p are also used in PC video files and thus refer to as HDTV resolution video format. A lots of new movies are availabloe in HDTV video format also and a few DVB tv channels are also broadcasting in HDTV video format allready.

    here are some sources where you can download free HDTV video samples for your try in your PC

    DIVX encoded HDTV Video samples
    Microsoft HDTV Showcase
    HDTV Video clips in Apple QuickTime format

  4. #4
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    Minimum Configuration
    (to play 720p video)
    # Windows XP
    # Windows Media Player 9 Series
    # 2.4 GHz processor or equivalent
    # 384 MB of RAM
    # 64 MB video card
    # 1024 x 768 screen resolution
    # 16-bit sound card
    # Speakers

    optimum Configuration
    (to play 1080p video with 5.1 surround sound)
    # Windows XP
    # Windows Media Player 10
    # DirectX 9.0
    # 3.0 GHz processor or equivalent
    # 512 MB of RAM
    # 128 MB video card
    # 1920 x 1440 screen resolution
    # 24-bit 96 kHz multichannel sound card
    # 5.1 surround sound speaker system

  5. #5
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    Default

    a clip from korean HDTV satellite channel (MBC TV Korea)


  6. #6
    Junior Member Teacher
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    Default

    Thanks
    Technosat, Humax, Starsat, Metabox, Kaon, Dreambox, Nokia, and echolink all i have in one room.

  7. #7
    Member Mentor
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    Default

    should we need different hard wares to watch HD transmission rather than we use currently.
    and also saed you have provided super informations to the above post.well done
    Abdur-Rehman Dawar.

  8. #8
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    Default

    @dewar098
    thanks for yoru appreciattion, as i have mentions above the PC requirement to watch HDTV videos, you can refer to it. Not all tv, satellite receivers, pc monitors are capable of handling the high resolution of HDTV video format.

  9. #9
    az30094
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    RDI - Board Default Avatar

    Default

    A marvelous piece of information, worthy of filing into personal encyclopedia. Thanks a lot to Saed for this. Such posts gives more reasons to visit this forum repeatedly.

  10. #10
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    you are welcome az30094, and thanks for your compliments about this forum.

 

 

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