HDTV Question?
Answer:
HDTV is a digital transmission system.
PAL (or NTSC) is an analog transmission system for color images.
So, images transmitted in HDTV are neither PAL nor NTSC, but a standalone HDTV decoder will output PAL or NTSC (standalone HDTV decoders are designed so older analog TVs can watch HDTV programming).
Thus, you should not need to worry about PAL or NTSC because that won't be an issue to you.
What you need to worry about is the HDTV transmission format. There is more than one digital transmission format in an HDTV (ATSC, DVB-T, ISDB-T), so you must check what format is used in your home country and buy a compatible TV.
HD and HDTV is terminology to refer to having a high quality video.
NTSC and PAL are what will change. You'd have to get a converter 400-600$ is what I am seeing online.
HDTV is just another (newer) format. It's all digital which eliminates a lot of the problems found in analog transmissions. NTSC and PAL are the older formats. They're analog. Look for a unit that will do all three. They're out there, you just have to look for them.
HDTV is a “high definition” subset of the various broader Digital Terrestrial Television Broadcasting standards such as the ATSC DTV Standard. Broadcasters in the United States may choose from approximately 30 digital compression formats from which to broadcast, of which only 7 are High Definition. Broadcasters are NOT mandated to broadcast High Definition DTV; the only mandate is that they broadcast in digital using one of the specified DTV broadcast formats [1].
With the advent of the digital television era two major governing (standards) bodies have emerged: in North America it is the Advanced Television Systems Committee (ATSC) [2] and in Europe it is the Digital Video Broadcasting (DVB) Project [3]. Along with Japan’s NHK, the ATSC and the DVB Project, in conjunction with other standards organizations, will be responsible for governing the standards for almost all of the world's future digital broadcasting.
The ATSC Standard will supersede the NTSC Standard, the DVB Standard supersedes the PAL and SECAM Standards, and NHK's ISDB Standard has superseded the MUSE Standard.
Terrestrial Digital TV Transmission Systems:
• ATSC (8-VSB) – United States, Canada, Mexico, South Korea, Honduras (and perhaps Argentina)
• DVB (COFDM) – (far too many countries to list here see [4])
• ISDB (BST-COFDM) – Japan and Brazil
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