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i use a tv cable extended from the basement all the way to the top floor (2nd floor) that is hooked up to digital cable. along the way from the basement the cable is also connected to another tv in the living room without the digital converter. the tv on the 2nd floor is a new flat screen sony, but on some shades of black the picture doesn't look right, kind of looks like a painting, or low resolution computer graphics. does anyone have any idea what the problem could be? thinking maybe it has something to do with the long cable that i need to use, maybe the signal is not strong enough. can anything be done? the color is set up correctly, and it doesn't happen all the time, more often when the background is darker.
thanks
Follow Ups:
That block pixelation in black areas is normal. There is nothing wrong with your setup. It is most likely due to the heavy compression used on the digital channels. The "digital" aspect of digital cable is used for quantity not quality. They can fit several digital channels in the same space one analog channel takes up. The picture in general is better due to the digital carrier. But the digital transmission is not good with handling blacks or fades. You will see the same heavy pixelation when a scene fades out, or if there is a gray mist.And by the way, don't be concerned about the length of the cable. You will only see degradation of picture quality on analog channels. With digital, it's there or it isn't. If there isn't enough signal, you just won't get a picture. If it's borderline, you'll see constant tiling. With too much signal the picture will look over-saturated.
Welcome to the world of digital video. Doesn't sound like there is anything wrong with your connections. It does sound like your TV needs to have its contrast/brightness or picture adjusted. If this TV is in a room with a window that lets a lot of sun in, it may be impossible to completely satisfy your needs for all occasions.
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