[opendtv] Re: Spectrum is too valuable

  • From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
  • To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
  • Date: Wed, 11 Nov 2015 03:09:52 +0000

Craig Birkmaier wrote:

Stop changing the subject Bert. We are talking about cable STBs. We
are talking about recovering channels that use MPEG-2 TS and MPEG-2
decoder a in the STB.

You are lost, Craig. We are talking about repurposing cable bandwidth from
broadcast streams to 2-way IP service. The codec used for the old broadcast
streams becomes irrelevant. This is why you think I change the subject. Because
you are lost. When using IP, you assume use of H.264, to estimate how many TV
programs you can stream, NOT H.262. Forget about H.262, in this discussion.

Here is a chart from a company that does high quality h.264 encoding
for OTT streaming:

http://www.lighterra.com/papers/videoencodingh264/

The exact bitrates chosen are...

720p 1280x720 4.0 2.56 2496 64
720p HQ 1280x720 5.0 3.20 3072 128

Looks like *exactly* what I said. HD at 5 Mb/s. (Or 1080p at 8 Mb/s, if 720p is
not enough for you.) For someone who insisted for years and years that we only
ever needed 480p, I have no idea why you're going on like this, Craig.

I'm tired of playing this game. I've given you the real numbers.
More than 80 million homes are paying for the higher quality TV
services they get from the legacy system.

But this is just more banalities, Craig. The number is dropping, as these homes
understand and adopt the new technologies. You used to say the same thing about
low def TV, as if HDTV was only ever going to be for the top 1%. Enough
already. Obviously, the old way of doing things takes some time to change over.
Already now, or actually months ago, how many US TV households still watch TV
by appointment, Craig?

Bert



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