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Topic: NTSC

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	What is NTSC? - A Word Definition From the Webopedia Computer Dictionary
		The NTSC is responsible for setting television and video standards in the United States (in Europe and the rest of the world, the dominant television standards are PAL and SECAM).
		The NTSC standard for television defines a composite video signal with a refresh rate of 60 half-frames (interlaced) per second.
		The NTSC standard is incompatible with most computer video standards, which generally use RGB video signals.
	www.webopedia.com /TERM/N/NTSC.html (215 words)

	NTSC - Wikipedia, the free encyclopedia
		NTSC is the analog television system in use in Korea, Japan, United States, Canada and certain other places, mostly in the Americas (see map).
		The NTSC compromised between RCA's desire to keep a 441-line standard (their NBC TV network was already using it) and Philco's desire to increase it to between 605 and 800, settling on a 525-line transmission.
		Because the NTSC frame rate is higher, it is necessary for video conversion equipment converting to NTSC to interpolate the contents of adjacent frames in order to produce new intermediate frames; this introduces artifacts, and a slightly trained eye can quickly spot video that has been converted between formats.
	en.wikipedia.org /wiki/NTSC (2985 words)

	NTSC Basics
		NTSC is the name for the set of standards that all video that is broadcasted in North America must conform to.
		This is important because it means that a still NTSC frame is not actually "still." There is a temporal difference of 1/60th of a second between fields, so in fact half of the frame's scanlines were recorded 1/60th of a second after the other half.
		In case you are curious, the reason NTSC is interlaced in the first place is that when the standard was agreed upon way back in the 50's, the phosphers used on television screens were not good at maintaining their brightness.
	people.csail.mit.edu /tbuehler/video/ntsc.html (791 words)

	NTSC History (Site not responding. Last check: 2007-10-26)
		The first NTSC reviewed in 1940 and 1941 the existing arts of television and brought forth standards which were thereupon promptly adopted by the FCC (Federal Communications Commission) as the basis of the fl-and-white service.
		At the insistence of CBS representatives, NTSC proposed to the FCC that field tests of color systems be encouraged, using the NTSC monochrome standards in all respects except the number of lines and the field and frame frequencies.
		The NTSC field rate of 60 fields per second is clearly the right choice, agreed upon throughout the world as the proper base for future high definition standards.
	www.williamson-labs.com /ntsc-fink.htm (3377 words)

	NTSC Definition
		Administered by the FCC, NTSC broadcasts 60 half frames per second, which is known as 60 "fields" per second in TV jargon (59.94 fields per second to be exact).
		NTSC uses 525 lines of resolution: the first 480 lines in each frame are the image, and the last 45 are the "vertical blanking interval" (VBI), which was designed to give the electron gun time to reposition itself from the bottom of the last frame to the top of the next.
		NTSC is encoded in the YUV color space, which provides a mathematical equivalent of red, green and blue.
	www.pcmag.com /encyclopedia_term/0,2542,t=NTSC&i=48147,00.asp (850 words)

	Reference.com/Encyclopedia/NTSC
		A short sample of this reference signal is included in the NTSC signal as color burst, located on the front porch of each horizontal line, an otherwise unused time between the end of the horizontal synchronization pulse and the actual start of displayed video on each line.
		When NTSC is broadcast over VHF or UHF, a radio frequency carrier is amplitude modulated by the NTSC signal just described, while an audio signal is transmitted by frequency modulating a carrier 4.5 MHz higher.
		NTSC I is the original monochromatic 525/60 signal that first became standard in the US & Canada during the late 1940s to early 1960s.
	www.reference.com /browse/wiki/NTSC (2619 words)

	NTSC and PAL Formats (Site not responding. Last check: 2007-10-26)
		By using the NTSC standard for digital video, there are two areas of concern when dealing with aspect ratios.
		There are various divisions within the NTSC standard which determine what pixel and frame aspect ratios are used.
		The D-1 pixels used in the NTSC format are displayed using a vertical axis.
	www.strata.com /support/3dmanual/ch13/ch13_7.html (462 words)

	NTSC definition - isp.webopedia.com - The Glossary for Internet Service Providers
		The NTSC is responsible for setting television and video standards in the United States (in Europe and the rest of the world, the dominant television standards are PAL and SECAM).
		The NTSC standard for television defines a composite video signal with a refresh rate of 60 half-frames (interlaced) per second.
		The NTSC standard is incompatible with most computer video standards, which generally use RGB video signals.
	isp.webopedia.com /TERM/N/NTSC.html (195 words)

	Section 1: Color Television Fundamentals (NTSC)
		Prior to NTSC standard and the first RCA model that used that standard, there were a small number of other manufacturers that developed color television designs, some of which were produced in tiny quantities, with one design selling only one receiver.
		The NTSC system is scheduled to be withdrawn from broadcast use in the United States as early as the end of 2006 (although deployment percentages must be met for the plan to go into effect), to be replaced with a digitally-encoded broadcast system.
		In the analog NTSC color television receiver, a lot of complexity is there just to receive the I and Q signals from the broadcast signal, and that circuitry has a critical need to maintain a tight synchronization to the timing of the transmitted color signals.
	nemesis.lonestar.org /reference/internet/web/color/ntsc_primer.html (2584 words)

	Extron Electronics
		When the subject of decoding NTSC comes up in conversation, I think of the task as the single greatest gift of challenge man has given himself.
		The history predating the FCC's adoption of the NTSC color television system is certainly 'colorful', but beyond the scope of this column.
		Even though the industry is about to embark into DTV, consider that NTSC is a monumental legacy that will be with us for years to come.
	www.extron.com /technology/archive.asp?id=ntscdb1 (252 words)

	Conventional Analog Television - An Introduction (Site not responding. Last check: 2007-10-26)
		When NTSC television standards were introduced, the frame rate was set at 30 Hz (1/2 the 60 Hz line frequency).
		For this reason, sometimes the I signal is bandlimited to 0.5 MHz on both sidebands (thus reducing the spatial resolution of the "orange-cyan" signal[22].
		NTSC frame rates are slightly less than 1/2 the 60 Hz power line frequency, while PAL and SECAM frame rates are exactly 1/2 the 50 Hz power line frequency.
	www.ee.washington.edu /conselec/CE/kuhn/ntsc/95x4.htm (3782 words)

	NTSC Editorial @ OurLocalColor.com (Our Local Color) (Site not responding. Last check: 2007-10-26)
		Synchronization of the refresh rate to the power cycle also helped kinescope cameras record early live television broadcasts, as it was very simple to synchronize a film camera to capture one frame of video on each film frame by using the alternating current frequency as a shutter trigger.
		The original 60 Hz field rate was adjusted down by the factor of 1000/1001, to 59.94059...
		The actual VIR signal contains three sections, the first having 70 percent luminance and the same chrominance as the color burst signal, and the other two having 50 percent and 7.5 percent luminance respectively.
	www.ourlocalcolor.com /encyclopedia/NTSC (2307 words)

	National Television System Committee (NTSC)
		It took the efforts of the NTSC to recognize that this was a form of a subcarrier modulation process.
		On February 2, 1953 the second NTSC color standard was published: CPA was abandoned because of edge flicker effects, the color subcarrier was lowered to 3.579545 MHz, the pedestal on the reference burst was dropped, and the wideband orange-cyan I axis, and narrow-band Q axis modulation scheme suggested by RCA was adopted.
		The NTSC forwarded this standard to the FCC in a petition on July 22, 1953.
	www.novia.net /~ereitan/NTSC_overview.html (747 words)

	PAL vs. NTSC
		The NTSC (National Television Standards Committee) was responsible for developing, in 1953, a set of standard protocols for television (TV) broadcast transmission and reception in the United States.
		The NTSC standards have not changed significantly since their inception, except for the addition of new parameters for color signals.
		NTSC signals are not directly compatible with computer systems.
	home.cfl.rr.com /duplicator/general/pal_vs_ntsc.htm (417 words)

	NTSC Overheat - Safe Colors
		NTSC Overheat demystifies the NTSC color situation and has educational value as well.
		Since NTSC allows for 20% excursion, the best values are about 15%, the color doesn't change as much as with 0%, but it is still within in the safe 20% area with 5% reserve.
		In the US version of NTSC the fl is set as 7.5 IRE (shown on graph), while in Japanese NTSC the fl is set to 0 IRE (shown as "blank").
	www.mediachance.com /dvdlab/Help/ntsc.htm (930 words)

	Never Twice the Same Color: Time to get rid of NTSC
		To make sure that fl-and-white sets would be able to show color, the NTSC system displays the worst possible picture on both kinds of TVs.
		I realized from looking at their screens that HDTV will be a blessed event for thousands of American, Canadian and Japanese videophiles -- not necessarily for what it will bring, but for what it will do away with.
		Punsters quickly changed the name of the NTSC system to Never Twice the Same Color, and engineers fumed.
	aroundcny.com /technofile/texts/bye2ntsc89.html (600 words)

	What is NTSC, PAL and SECAM
		NTSC (National Television Standards Committee) is a standard used in North America and Japan.
		Half of Brazil uses NTSC while the other half uses PAL-M. Argentina, Uruguay and Paraguay use PAL-N. The rest of the world uses mainly PAL.
		North America uses NTSC, Europe uses PAL and SECAM, and South America uses PAL-M, PAL-N, PAL and NTSC.
	www.110220volts.com /FAG/WhatisNTSC.htm (371 words)

	Buy TV Video System Converter (NTSC -> PAL) - Available at Lik-Sang.com! (Site not responding. Last check: 2007-10-26)
		I bought the converter a few days ago and it brings color when i connect my ntsc digital camcorder to my pal tv but when i try to copy it onto the vcr it still records in fl and white.
		NTSC is 525 lines with a colour frequency of 3.58Mhz.
		This ntsc to pal converter doesn't change the frequency from 60 Hz to 50 Hz as required for true PAL signals.
	www.lik-sang.com /faq.php?browse=1&products_id=1686&categories_id=80& (6344 words)

	VideoHelp.com :: View topic - SatStorm 's Advices: A 12 step NTSC to PAL conversion guide
		Step 1: You load your original NTSC file to Virtualdub (or Virtualdub mpeg2 if it is a mpeg 2 or a DVB transmission).
		When someone wish to convert PAL to NTSC, the first step is to run Telecine, so to convert 25 to 24 fps (2:2 pull down removal) and then patch to 23.97fps with avifrate...
		Jerky playback that way (like force a DVD standalone convert realtime NTSC to PAL), but there is no other way to do it that easy without using avisynth scripts.
	forum.videohelp.com /viewtopic.php?t=209166 (3587 words)

	[ Nostalghia.com \| The Topics :: PAL to NTSC Conversion (DVD) ]
		They are available in NTSC versions (e.g., directly from RusCiCo or, in the case of Stalker, through Image Entertainment in the USA) and PAL versions (e.g., from Artificial Eye in the UK).
		But so does the NTSC version, indicating that the NTSC version has (regrettably) been produced based on a PAL video source, preserving the unfortunate PAL speedup straight through to the NTSC stage (PAL masters can be inexpensively made in Moscow, proper NTSC masters would have to be made abroad at a fairly high price...
		Watching on a standard interlaced TV-set, one cannot see any noticeable difference between the two while the DVDs are playing, but in still frame mode it becomes evident that the RusCiCo conversion is done by periodically inserting frame interpolation ("double exposures") of varying proportions.
	www.ucalgary.ca /~tstronds/nostalghia.com/TheTopics/pal2ntsc (1066 words)

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