[opendtv] Re: Kennard and Powell to the rescue
- From: "Bob Miller" <robmxa@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Sun, 11 Jan 2009 19:30:20 -0500
So if all you take away from the main program is 1 Mb/s how much of
that is overhead and how much is for WHAT type of video, MPEG2 or
MPEG4? How many bits for this MPEG2 or MPEG4 low quality program? If
its MPEG4 you will need a new receiver right?
Bob Miller
On Sun, Jan 11, 2009 at 6:44 PM, Manfredi, Albert E
<albert.e.manfredi@xxxxxxxxxx> wrote:
> Cliff Benham wrote:
>
>> No matter what the fault is, what we have is a "replacement"
>> system that does not work as well as analog NTSC in conveying
>> information.
>
> Sometimers that's true, other times it works better than the analog, so
> overall the new service is best characterized as "different," IMO.
>
> To restate the obvious, analog is so variable in quality that what one
> persons deems acceptable another person would never accept. That's one
> problem. And IMO, even in the best of circumstances, even for those one
> or two best stations in the market, NTSC quality was antedeluvian.
>
> And that's not all. I've tried analog reception many times now, with my
> new receive antenna location, mostly to convince myself that the
> stations returning to VHF will still be viewable after 17 Feb. No way
> could I live with this setup if I had to rely on analog TV. So how could
> I agree that ATSC reception is not as good as NTSC? I can't.
>
> And even ultimate robustness is no longer the sole province of NTSC. Now
> that we have the M/H candidate standard, it would be feasible to
> recreate that feature also for DTV. Low quality image reception, but
> reception nonetheless, when conditions deteriorate badly. Take away as
> little as 1 Mb/s of the main channel, hardly noticeable to regular
> viewers, and supply a robust stream of the main program channel. Useful
> for mobile users and POTENTIALLY, if CE types do what's right, also for
> home users.
>
> Bert
>
>
> ----------------------------------------------------------------------
> You can UNSUBSCRIBE from the OpenDTV list in two ways:
>
> - Using the UNSUBSCRIBE command in your user configuration settings at
> FreeLists.org
>
> - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
> unsubscribe in the subject line.
>
>
----------------------------------------------------------------------
You can UNSUBSCRIBE from the OpenDTV list in two ways:
- Using the UNSUBSCRIBE command in your user configuration settings at
FreeLists.org
- By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
unsubscribe in the subject line.
Other related posts:
