From: Mark Aitken <maitken@xxxxxxxxxx>
Sent: Nov 9, 2006 8:02 AM
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] Re: Mediaflo Technology
In-line response.
Craig Birkmaier wrote:
14 live streaming national interest
5 live streaming local interest
50 national and 15 local services that will deliver ~20 minutes of
content per day to receiver cache.
What does local mean?
Really? The effective resolution of NTSC is 320 x 240 at 60 fields per
second. With good de-interlacing, I would suggest that these streams
will come close to equaling NTSC quality, however, that is irrelevant
since we are talking about displays in handsets. Apple started the
iTunes video service at this resolution, and the stuff looks fine when
output to an interlaced TV. But the LPTV guys could deliver something
like 640 x 480 @ 60P which would be significantly higher quality than
NTSC, perhaps with a 320 x 240 base layer.
NTSC is 'effectively' 320 x 240? Really?
This argument must be tempered with reality. People are consuming vast
amounts of video content via the Internet, most of which is less than
NTSC quality. It is all driven by applications and competition. Mobile
Tv does not need to equal the family room viewing experience.
Very true...
Regards
Craig
Similarly...
<> ><> ><> ><> ><> ><> ><>
Regards,
Mark A. Aitken
Director, Advanced Technology
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