Talk:ATSC
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[edit] Article location
Who had the dumb idea to move ATSC to Advanced Television Systems Committee? Nobody will look it up or link it under that term and the acronym is still unambiguous. The only thing it does are unnecessary redirects and cumbersome links, where one of the key features of wikis is easy linking. Christoph Päper 14:23, 12 Mar 2005 (UTC)
I disagree. Almost all abbreviations have a disambiguation page. For consistency, ATSC should also retain the full name as its key. By the way, is this correct English: "Broadcasters who use ATSC and must retain an analog signal have to broadcast on two separate channels, as the ATSC system requires use of an entire six megahertz channel."User:Treeos 14:52, 30 Dec 2005 (UTC)
[edit] 1080p60?
Any news on the ATSC and a 1080p60 standard? Jack Zhang 01:32, 8 April 2006 (UTC)
- Certainly no plans for it that I've ever heard of, and I imagine it would work quite poorly given the bandwidth constraints and the fact that only mpeg-2 video is allowed. Snacky 04:04, 14 November 2006 (UTC)
[edit] Six channel limit?
Can anyone provide a quote from any standard that limits the number of DTV programs per frequency to 6? While I haven't searched the standards, I believe there is no such limitation, and I gather this was written by the same well-meaning but deluded person who wrote the "1 program per MHz" misinfo. Snacky 06:20, 27 May 2006 (UTC)
- My understanding was a limit of either four or six. But I don't have access, at the moment, to the publications in which I read this—and it was in 1998. President Lethe 15:12, 27 May 2006 (UTC)
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- It's definitely not four. Was this publication an ATSC standard? Snacky 16:10, 27 May 2006 (UTC)
"Six channels" is a pragmatic limit based on the resultant subjective quality. There is no constraint by ATSC beyond that imposed by ISO/IEC 13818-1 (Table 2-18), which uses a 4-bit field in stream_id to identify the video stream number. Thus, sixteen channels are possible. algocu 12:41, 20 September 2006 (UTC)
- It seems like you're right, and thanks for answering. Also, thanks for your recent improvements to the article! All I have to add is that, to be really, really pedantic, the limit of 16 video streams does not limit you to only 16 virtual channels. You can re-use the same streams across virtual channels however you like. This is quite pointless, but I've actually seen it done with audio. Snacky 00:45, 21 September 2006 (UTC)
[edit] PAL signal
Its not clear from the article whether an ATSC tuner can display a PAL signal. Can someone who knows this please update the article with this information. —The preceding unsigned comment was added by Gaashish (talk • contribs) .
- Why would it? PAL's an analog standard. Snacky 04:06, 14 November 2006 (UTC)
Sorry, we're not all experts ;-) I'm certainly not an expert in this area. Therefore please clarify your answer: if I buy a LCD TV in the US, with ATSC/NTSC tuner, can I connect it to the cable in The Netherlands (PAL)? Sorry for my ignorance....
