[opendtv] Re: Zoran, Thomson team on digital TV reference design

  • From: Mark Schubin <tvmark@xxxxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Mon, 28 Nov 2005 22:03:25 -0500

Richard Hollandsworth wrote:

> <>Have you read A/74??? It's a bunch of Guidelines....with few real 
> "spec" requirements. It is more of a test description, rather than 
> PASS/FAIL test criteria.
>
> It "suggests" some multipath performance profiles for static pre-echo 
> and post-echo with varying Desired to Echo ratio. The text only 
> "suggests" a "typical" performance range of -10 to + 40 usec


That's not far from what used to be called "2nd generation."  First 
generation was -3 to +10.  Second was -10 to +30.  So were third & 
fourth.  Fifth is -50 to +50.

TTFN,
Mark

 
 
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