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Car PC Hacks by Damien Stolarz

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Hack #35. Customize Each Passenger's Video

Imagine a peaceful cross-country road trip in which you never need to endure someone else's choice of music or movies, because everyone has a personalized entertainment center.

If you carry around many passengers on a regular basis, or if you just want to make sure that everyone is amused on a long road trip, provide your passengers with adequate facilities to enjoy themselves.

The number of video devices you can have in a vehicle is limited only by your budget and cargo space. I personally would not find it unreasonable to have one of each current video gaming console, a DVD player, and one or two computers in a vehicle. I even have a 12V VCR for showing old movies, and the very bored can always check out the action from the rearview camera [Hack #33] .

Enabling all of these devices doesn't require you to have a switchboard operator climbing around in the trunk and trying to route video hookups between devices and screens. Instead, you need a video switcher.

There are several kinds of switchers to choose from.

Built-in Switchers

Many of the better headrest screens can switch between two or three video sources via a button on the front of the monitor, and/or a handheld remote control. These units do not switch the audio, but if your goal is to tune into a head-to-head video game or a DVD movie, where the audio is already being piped into wireless headphones, then this solution does work.

For the scenario shown in Figure 3-19, you need one video ...

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