Talk:ATSC tuner

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Contents 1 "Tuner" is correct, not "receiver" 2 DTV Question 3 Merge w/ tuner 4 Redirect from "HD tuner"? 5 DTV Tuner = HD Only TVs? 6 Define the acronyms NTSC and ATSC 7 Problems with the new section on "How an ATSC Tuner Works"

[edit] "Tuner" is correct, not "receiver"

I question the "Technical discussion" claim that perhaps "receiver" is more accurate. As used in the U.S. since the All Channels Act (more commonly called the "All Channel Receiver Act") in the 1960's, if not before, the term "receiver" means a full-blown TV set which both selects ('tunes') the channel and displays ('receives') the picture. A "tuner" is the channel-selecting component of a receiver or other device (such as a VCR or digital-to-analog converter).--RBBrittain 03:02, 27 December 2006 (UTC)

The receiver is receiving the VHF/UHF EM wave, processing it, and outputting an audio/video signal. The tuner is just one component in the box. Your perspective seems to be oriented towards what is the common lingo. And I am not disagreeing with what you said. What I am suggesting is what the common lingo should be. If you take a common stereo AV receiver and strip out many of its components but leave the tuner, then you have what is commonly called a tuner. Daniel.Cardenas 05:15, 27 December 2006 (UTC)

There are three parts to a TV set as I understand it: the tuner (in the RF sense) which receives an RF signal from an antenna and demodulates it down to baseband, the decoder which converts a demodulated NTSC or ATSC signal to component or RGB video, and the monitor which displays the image. Can you cite a part of the All Channels Act that states the definitions used by federal regulation? --Damian Yerrick (☎) 03:49, 24 January 2007 (UTC)

[edit] DTV Question

So, according to this article, I would be able to buy a portable TV, or any TV, with complete digital reception as early as March of 2007? --HG707 21:40, 23 January 2007 (UTC)

It's more likely that no traditional portable TVs will be sold at all as of March 2007. The closest thing I could find was this page on about, which claims that mobile phones will replace portable TVs, offering a cable-like programming package. --Damian Yerrick (☎) 03:54, 24 January 2007 (UTC)

[edit] Merge w/ tuner

There is little rationale for this subject to be separated from that of digital tuner. At best, the facts discussed here apply equally to DVB-T and ISDB-T tuners, and all would be better covered in a combined article. algocu 17:31, 30 March 2007 (UTC)

>There is little rationale for this subject to be separated from that of digital tuner.

What makes you say that? I see little or no duplication of content. Perhaps digital tuner should be merged with analog tuner, since most tuners are becoming digital.

>At best, the facts discussed here apply equally to DVB-T and ISDB-T tuners, and all would be better covered in a combined article.

Please feel free to create such an article. Daniel.Cardenas 18:59, 30 March 2007 (UTC)

Don't Merge: Keep this a separate article from digital tuners, this is a specific type of tuner/receiver/thing-a-ma-jig.Abebenjoe 16:03, 18 May 2007 (UTC)

[edit] Redirect from "HD tuner"?

I went to the non-existent "HD tuner" article and got redirected here. My understanding is that having an ATSC tuner does not necessarily mean that your TV can accept an HD signal--that you need an "HDTV tuner." True? 205.157.110.11 21:48, 3 April 2007 (UTC)

An ATSC signal can be HD, depending upon what is being broadcast. An ATSC tuner must accept an HD signal, although it may output a standard definition video as current ATSC DVD recorders do. What your TV can accept is independent of the tuner and dependent on the TV. Current standalone ATSC tuners do output an HD signal. Daniel.Cardenas 22:21, 3 April 2007 (UTC)

[edit] DTV Tuner = HD Only TVs?

If I bought a new TV, would I only be able to buy EDTV/HDTVs, or are there SDTVs being sold with DTV tuners inside? (I couldn't tell for certain from the above thread) - MSTCrow 21:00, 25 April 2007 (UTC)

Yes, I believe all the small TVs with digital tuners are SDTV. For example a 20 inch TV. This forum discussion might be helpful: http://www.avsforum.com/avs-vb/showthread.php?t=813288&highlight=smallest Daniel.Cardenas 22:14, 25 April 2007 (UTC)

Also found two Sanyo TVs, 27" and 32" flats, that are listed as SDTV (and have both NSTC and ATSC tuners). Sad that my 20" Sanyo from 1992 is considered small now. - MSTCrow 23:46, 25 April 2007 (UTC)

[edit] Define the acronyms NTSC and ATSC

A basic encyclopedia entry would start by telling us what the acronyms stand for, no? Bobbyrae 12:16, 12 May 2007 (UTC)

If you click on ATSC or NTSC in the article, you go those articles you get the acronym spelled out. If you feel it should be spelled out here also, then go ahead and edit the article. Daniel.Cardenas 16:14, 12 May 2007 (UTC)

Never The Same Color Twice (NTSC). Abebenjoe 16:06, 18 May 2007 (UTC)

[edit] Problems with the new section on "How an ATSC Tuner Works"

There are some serious problems with this new section, first it does not explain how a tuner works, second the definitions that it attempts to give are range from poor to wrong. For example the definition of Analog to Digital Conversion:

Analog to digital conversion, sometimes called ADC or A to D refers to a technology in which an analog signal is converted into a digital signal. In the context of an ATSC tuner, an analog TV broadcast that is broadcasted over the air is received by the ATSC tuner and converted from its original analog signal to a new digital signal that can be viewed on a digital TV set.

This is actually a poor attempt at explaining demodulation (which is also incorrectly defined separately in the article). I think we should remove this section unless someone is willing to fix it. --Ray andrew 17:28, 16 October 2007 (UTC)

So, does this device convert the digital signals over the analog? I was reading this under the impression this is the type of tuner to buy for when they switch the analog TV signals off, and have digital takeover. This article references the shutdown a few times, but always talks about converting FROM analog TO digital.... shouldn't it be the other way around? Taking digital signals from the air, and converting them to an analog signal an older TV can understand? —Preceding unsigned comment added by 67.72.98.88 (talk) 01:12, 13 January 2008 (UTC)