[opendtv] Re: 20040722 Thundering Thursday Thanks (Mark's Monday Memo)
- From: Mark Aitken <maitken@xxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Thu, 22 Jul 2004 16:22:33 -0400
Actually, there is a way to provide 'robust' data that derives less than
a full 150 k. In the *Annex D, Table D5.4/a /*(Normative) of the revised
standard that encompasses E-VSB, we get:
19.3927 - 19.2683 = 0.0542 (useful)
That (to me) is"giving up" 124.4kb/s...
Manfredi, Albert E wrote:
>Mark,
>
>How do you carve out just 150 Kb/s from the 19.3, with the
>E-VSB approach for adding robustness?
>
>Bert
>
>
>
>>I would agree that using E-VSB for video is a brutal trade.
>>But using
>>E-VSB for backup audio would pull less than 150 kbps from the
>>19.3 Mbps
>>(it could probably be made even less) and would allow
>>marginal viewers
>>to continue with programming they'd otherwise have to dump.
>>
>>
>
>
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--
Regards,
Mark A. Aitken Director, Advanced Technology
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