I’ve seen lots of clones of the Philips Ambilight system that extend a TV picture out onto the surrounding walls by shining coloured LEDs out from the back of the TV. I wanted to do the same with my TV but all the clones out there seemed to be software based, requiring a PC to be producing the TV picture which they then grab frames from, analyse to get the light colours and drive the lights. My TV picture comes from MythTV, so I already have the PC running permanently, but I was worried that the extra load might cause problems when watching blu ray rips. I also wanted to have a lot of LEDs and I didn’t want the lag that is often seen between the TV picture and the LED output.
So I thought I’d try making a completely hardware based Ambilight clone that directly takes in a 1080p HDMI signal.
Click here to jump to the demo videos.
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