<br><br><div class="gmail_quote">On Fri, Feb 5, 2010 at 10:28 AM, Jim Morton <span dir="ltr"><<a href="mailto:Jim@morton.hrcoxmail.com">Jim@morton.hrcoxmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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Take OTA for example. The best picture I have ever seen on any TV was from an antenna connected directly into a coax input of an HD TV. Stunning, crystal clear with a visible depth to the picture.<br>
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I guess it is not possible to capture _exactly_ what an antenna delivers (ATSC - RF?) and then send it back out on the coax at a later date... I suppose what I am glossing over is the role that the tuner plays to pick out just one channel and I suppose that also alters the signal such that it can't just be "put back on the wire" later.<br>
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It just seems such a waste to not be able to use the tuner built into the TV.<br>
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Thanks for all the replies. I think I get it now.<br>
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Jim Morton <br></font><div><div></div><br></div></blockquote></div><br>Jim,<br><br>I think you are confusing what the tuner can "magically" do versus the signal quality. By design, ATSC signals over the air are going to be a better picture than over your cable system. It really has nothing to do with the tuner. Cable companies HIGHLY compress their stream because they don't have the bandwidth available on the wire. ATSC OTA signals are mostly at a bitrate of 19Mb/s (which is the highest that ATSC can do IIRC). That's why you get a better picture with less pixelation.<br>
<br>Jim Oltman<br>