S-Video inputs gone from HDTVs? - AVS Forum
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post #1 of 9 Old 12-22-2012, 11:49 AM - Thread Starter
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I noticed that virtually none of the new HDTVs have S-Video inputs.

I guess this isnt too big of a loss if the comb filters in the HDTVs are good. Right?

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post #2 of 9 Old 12-22-2012, 12:06 PM
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Regardless of the comb filter I almost always see a better picture using S-video. Sure things like component(also a dying format being left off of modern HDTVs mad.gif) look better than S-video but S-video was still a noticeable improvement over composite and generally S-video is the best line input for our DVDRs.
I can see a time when HDMI will be the only input(other than RF) for cheaper HDTVs. I'm glad my older HDTV not only has a couple component inputs but also a couple composite and 2 S-video inputs(along with 4 HDMI inputs). They don't make em' like that anymore cool.gif
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post #3 of 9 Old 12-22-2012, 12:25 PM - Thread Starter
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I thought it was well established by the Laser Disc crowd, that often using late 90s 3D comb filters in CRT television sets by using the Composite output produced a better picture....than using earlier 2D comb filters inside some units and outputing over S-Video cable to the CRT TV sets. Am I wrong?

The key was to try it both ways and see which had the better comb filter, and use that comb filter.

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post #4 of 9 Old 12-22-2012, 03:46 PM
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Quote:
Originally Posted by EscapeVelocity View Post

I thought it was well established by the Laser Disc crowd, that often using late 90s 3D comb filters in CRT television sets by using the Composite output produced a better picture....than using earlier 2D comb filters inside some units and outputing over S-Video cable to the CRT TV sets. Am I wrong?
The key was to try it both ways and see which had the better comb filter, and use that comb filter.

LaserDisc is a composite format meaning the chrominance and luminance signals are mixed prior to recording the signal. So most folks recommend a composite output to a modern TV from a LD player because modern TVs have a better comb filter ( to separate the Y/C) than old-technology LaserDisc players do in their S-Video outputs. (Y/C separation is added to LD players prior to outputting via S-Video.)

SVHS and even VHS records the chrominance and luminance separately (colour under recording) but with plain VHS the separation isn’t nearly as important as with SVHS because with VHS the separation frequency is so close together that it hardly matters. But with S-VHS it makes a pretty big diference.

As for DVD-Video and digital TV – these formats use three separate channels. With Y/C formats like SVHS the blue and red channels are mixed together (ch1 Y, ch2 C) but with DVD-Video and digital TV the blue and red signals are carried via separate channels making three channels of video. (ch1 Y, ch2 B-y, ch3 R-y)
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post #5 of 9 Old 12-22-2012, 04:16 PM - Thread Starter
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I see. Thanks Super Eye.

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post #6 of 9 Old 12-22-2012, 05:15 PM
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If you want/need s-video input the only option i have found besides really cheap TV's usually not in your everyday electronics stores these days is to get a prosumer/professional type monitor. Some are still made with s-video inputs either with the mini DIN socket or 2 x BNC sockets. There are not many around that are 16 x 9 and full 1080p HD though but if all you need is native s-video input for monitoring video processing results from LD or VHS then that wont matter.
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post #7 of 9 Old 12-22-2012, 07:27 PM
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Quote:
Originally Posted by EscapeVelocity View Post

I noticed that virtually none of the new HDTVs have S-Video inputs.
I guess this isnt too big of a loss . . .
For better or for worse, the video electronics world is going all digital. Component will be the next to go. Composite will be kept around as a legacy input but you probably won't see more than one on an HDTV.

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post #8 of 9 Old 12-23-2012, 06:35 AM
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Quote:
Originally Posted by EscapeVelocity View Post

I noticed that virtually none of the new HDTVs have S-Video inputs.
I guess this isnt too big of a loss if the comb filters in the HDTVs are good. Right?

Just wait for the next year Apple TVs... they won't have any inputs at all. biggrin.gif
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post #9 of 9 Old 12-23-2012, 01:53 PM
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