Home > Podcast > AVRant #157: Sweet Talk

AVRant #157: Sweet Talk

December 3rd, 2009

This week Tom and Dina address the impending Comcast squashing of Hulu (edit – the deal is now official), Tom’s progress on the Denon AVR-4310CI review, and a bit about Audyssey. How to know if your upconverting DVD player is any good without doing the research yourself. Soundbars or a real 5.1 system? A black box that does… nothing. Past the break – Jon’s chart of screen size percentage differences. Thanks for listening and don’t forget to vote for us at Podcast Alley.

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chart

From Jonathan – Here is a table describing the improvement in aggregate screen size from improvements in diagonal size. For small screen size changes, the percentage improvement is approximately 2/diagonal, so that each inch improvement on a 42 inch set adds about 5 percent to screen size.

The formula for screen size on a 16:9 set (assuming picture all the way to the edge) is 0.4273 x diag^2.

This can be derived from the Pythagorean equation (ax)^2 + (16/9 a x)^2 = x^2, where x is diagonal distance. a= .490261

Screensize = ax (16/9ax) = 16/9 a^2 x = 0.4273 x^2

dSize/dx = 0.8546x, and 1/Area dsize/dx = 2/x, as I said above, but it’s accurate only for fairly small screen increases

If only you could eat subwoofers...

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  1. Rob
    December 5th, 2009 at 21:18 | #1

    I, for one, love the small talk and chit chat at the beginning of each podcast! So don’t go thinking that every listener wants it to be all business and hard-hitting news :p Really, when else does Dina get to talk for any length of time? 😉

  2. mr.tivo
    December 8th, 2009 at 15:42 | #2

    Hi Guys,
    Here’s a good website for tv size comparison: displaywars.com

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