Talk:ATSC-M/H

Chapter Technology
The idea was to give a short overview. At the end we have now some details to Signaling like SMT. Also this additional detailed information concerning DVB-H. I will move this inofrmation to chapter "Signaling". --Gueni (talk) 10:42, 22 March 2010 (UTC)

rkeidar: I decided to remove the sentence mentioned below since the ATSC-M/H is fairly simple to implement especially compared to DVB-H, so I agree that it is in appropriate claim, with the single hesitation wether the equalizer could work effectively. I also remove some irrelevant comments that where made to promote one's technology over another based on one's politics point of view. Let's keep the page clean of politics and focus on the technology being described

I believe the comments regarding "burdens of ATSC M/H being greater are not fair at this point and it is unlikely that any reasonably decisive and unviased data exists at this point to support this comment or conclusion. Since ATSC M/H has not been commercially launched and initial products are still being finalized it's not fair to make broad comments trying to it's performance characteristics to other commercial systems when no real data exists.

Put some more details in the "Introduction"

 * ATSC-M/H is mobile TV extension of available wireless TV standard ATSC


 * Change to A/53 and A/153


 * ATSC is optimized for fixed reception in typical North-American environment

before it was declared as "problem". I think this new wording is more neutral
 * ATSC is not robust enough against multipath radio interference in mobile environment

Gueni (talk) 15:46, 6 January 2009 (UTC)

Put some structuring points into
The remaining available text is still under the point "Principle" Gueni (talk) 16:14, 12 January 2009 (UTC)Gueni
 * Evolution of mobile TV Standard

Structure of Standard
Gueni (talk) 13:50, 13 January 2009 (UTC)
 * information I get from ATSC organisation, nearly unchanged

Signaling
More Information about different layers used in the system. Some remaining information in section "Principle" is already moved into section Proposals Gueni (talk) 14:30, 14 January 2009 (UTC)

Comparision to DVB-H
I think it is very helpful to explain differences and similar aspect between standards. But I think it is not so helpful to benchmark this with such a strong evaluation.

"ATSC-M/H improves many of the ill design errors of DVB-H"

I propose here:

"ATSC-M/H improves design by detailed analyse of experience with DVB-H"

Please let us improve. Gueni (talk) 10:22, 3 March 2009 (UTC)

AAC outside M/H
Has there ever been discussion of AAC in ATSC outside M/H (e.g. during the addition of AVC in 2008)? —Wulf (talk) 04:34, 25 March 2009 (UTC)

interoperability with ATSC
Exactly how will it be broadcast? will it be a subchannel of a main signal and take up bandwidth, like 4.4? or will it broadcast on a designated "mobile" channel? what will its relation to normal ATSC channels be? RingtailedFox • Talk • Contribs 02:59, 25 November 2009 (UTC)
 * This is the same question I had when I came to the article. No answer? Is this simply not yet known? Otherwise how can this very detailed article fail to answer its most basic question? Ariel. (talk)
 * From what I can tell, ATSC-M/H frames are just another type of payload that can exist within a 19.4Mbps 8VSB datastream. You can have all legacy ATSC frames, all ATSC-M/H frames, or a mix of the two competing for that 19.4Mbps of bandwidth.  For legacy ATSC tuners, ATSC-M/H frames are flagged with an unknown frame ID and will simply be ignored.  If you're only using ATSC-M/H frames, then your subchannels would start at .1 and go up.  If you're using mixed frames, you'll probably have legacy ATSC audio-video (AV) streams with lower subchannels and ATSC-M/H AV streams with higher ones.
 * What I can't tell from the article is if ATSC-M/H phase frames and checksum frames only correct ATSC-M/H frames (and the AV streams contained within them) or the entire 8VSB datastream (including legacy ATSC AV streams). Dinjiin (talk)  —Preceding undated comment added 08:09, 2 January 2012 (UTC).

External links modified
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 * Added archive https://web.archive.org/web/20120403205237/http://www.atsc.org/cms/standards/a153/a_153-Part-1-2011.pdf to http://www.atsc.org/cms/standards/a153/a_153-Part-1-2011.pdf
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-1-2011.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-2-2011.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-4-2009.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-5-2009.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-6-2011.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-7-2009.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-8-2009.pdf''Part
 * Added tag to http://www.atsc.org/cms/standards/a153/a_153-Part-9-2011.pdf''Part

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