VIDEO: Transfer the TV picture to the projector

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Various interfaces are used to transmit video signals. A real jungle of cables and adapters is available and is still needed for older components. Depending on the output of your television and the input of the projector, the following connections are possible to send the TV image to the projector:

  • HDMI - (High Definition Multimedia Interface)
    DVI - (Digital Visual Interface)
    YUV - (Components Video)
    RGB - (red-green-blue)
    SCART - (Euro-AV)
    S-Video - (S-VHS Video)
    FBAS - (Composite Video)

Connect the TV picture to the video projector using an HDMI cable

  • With the HD (High Density) format, a new interface, HDMI, was introduced. The HDMI socket is already standard on the TV, the new LCD flat screen televisions. If your projector has an HDMI input socket, you only need to connect such an HDMI cable to connect the TV to the projector. That gives the best results.
  • If the projector has a DVI input, you can connect the two components using an HDMI to DVI adapter cable. This transmission is of very high quality. The processing of HDCP (High-Banwidth Digital Content Protection) is a mandatory requirement for the DVI-HDMI connection to function. Both components must be able to decrypt this copy protection.

Transfer the TV picture to the projector using the SCART adapter

  • Almost all components that can receive a TV picture have a SCART connection. Both AV receivers and televisions. With this interface, also called Euro-AV, you have several options for connecting the components. There are adapters from Scart to RGB, to S-Video and to Fbas composite signal.
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  • RGB transmits the three main color components separately. In the theory of analog video technology, RGB is the video transmission standard that provides the highest picture quality; H. generates the lowest transmission losses.
    YUV is the usual US counterpart to RGB. However, these two signals are not compatible with each other and each require a separate cable.
  • Composite is the worst quality variant. Here the complete picture is transmitted with only one cinch cable (marked yellow), the sound has 2 cinch sockets for stereo sound.
  • S-Video - (S-VHS-Video) signals offer good to very good picture quality when using a high-quality cable.

Conclusion: With the HDMI interface on televisions and projectors, the data is transmitted digitally. Any loss in the quality of the image can be due to inferior quality cable and, or long distances are caused. In principle, digital transmission of the TV picture to the projector is lossless and therefore the first choice if your components have the HDMI or DVI interface.

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