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rein-o
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 11 Sep 2019, 14:43 |
Jedi Master |
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Joined: 03 May 2004, 19:05 Posts: 8119 Location: Dullaware Has thanked: 1228 times Been thanked: 851 times
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jakeheke wrote: Quick noob question. Found a DMR ES15 /ES25 locally cheap. Working but the DVD tray is busted. As long as i have the remote i can make use of it to use it to 3D comb between my LD player and TV correct? I remember reading a post here that some will shut off after a period of time not being used. So if you just use it as a filter it may shut off after 20 minutes?? Only issue you need to worry about?
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audioboyz1973
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 10:30 |
Advanced fan |
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Joined: 16 Jun 2015, 15:40 Posts: 825 Location: Australia Has thanked: 105 times Been thanked: 95 times
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deadlegion wrote: I've got a Panasonic DMR-XW350 here, think I might do some testing using it in between my D750 and my lcd tv. I have hooked up to the tv directly using composite, but the tv is cheap and I suspect I might be able to get better results by using the panny. I might try s-video to the panny and then hdmi to the tv.
I do have a trintron with s-video anyway but I'm looking for a way to run LD on my theatre setup (the crt is for old consoles). I don't expect amazing results. If the purpose is to use the comb filter in the DVD recorder as per the thread title then feeding it s-video is completely pointless.
_________________ Looking for Hi-Vision Discs (MUSE or HDVS).......
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 11:10 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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audioboyz1973 wrote: If the purpose is to use the comb filter in the DVD recorder as per the thread title then feeding it s-video is completely pointless. Ok I shouldn't have posted here at all.
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 13:12 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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audioboyz1973 wrote: Maybe you just want to use/try out it's scaling?
But if your intention was to use it's comb filter then there's no point feeding it s-video; you're then using the one in the LD player. Maybe that's pointing out the obvious for you, but so many people haven't done the research and just don't get how it works... I probably don't get how it works. I see output quality and I'm interested in improving it even just slightly via lcd. Using composite to lcd doesn't look very good and s-video isn't possible on that panel. Scaling, maybe. The s-video out of the D750 isn't great (on trinitron crt) so I was wondering if the XW350 could improve that, think it has some options. Also, I don't necessarily need to use the hdmi out on the XW350 I could use component out and choose whatever res I want up to 1080i. Think it has side cut and zoom too...which I don't think I can get any other way with what I have here (I don't have the D750 manual).
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 15:17 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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audioboyz1973 wrote: If you're outputting from the recorder to LCD go HDMI, component will only result in extra stages of conversion digital>analogue>digital plus interlacing/de-interlacing.
The whole job of the comb filter is to take the composite signal and separate it back out into the Y (luminance/brightness) and C (chrominance/colour) signals. So if you want to use the comb filter in the recorder then feed it composite; if you feed it s-video (Y/C) then the signal's already been separated by the LD player comb filter and the one in the recorder becomes redundant and is bypassed.
Best of all spend some time reading the forums and/or google about scaling and de-interlacing and comb filters etc. - so much information is available to learn. Nothing beats being able to make informed decisions about all this stuff!! Hmmm, ok. So would using the composite output from the D750 be the better option to begin with then? The only units I have to play with are the DMR-XW350 (DVDR/HDD) and JVC HR-XVS20AA (SVHS/DVD). I did try to do some reading about those units but can't find anything about comb filters involved so I guess they're probably crap. Well, the JVC I guess it's crap as it's an older unit and surely someone would have mentioned it somewhere. The XW350 I'm not sure about though, and yeah the fact it has hdmi made me think about improving picture quality on lcd. I'm not looking at buying anything just curious about using what I have to make an improvement even if only slight.
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signofzeta
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 15:57 |
Jedi Knight |
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Joined: 14 Jan 2010, 09:44 Posts: 6010 Location: Ann Arbor Has thanked: 1307 times Been thanked: 1118 times
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deadlegion wrote: audioboyz1973 wrote: If you're outputting from the recorder to LCD go HDMI, component will only result in extra stages of conversion digital>analogue>digital plus interlacing/de-interlacing.
The whole job of the comb filter is to take the composite signal and separate it back out into the Y (luminance/brightness) and C (chrominance/colour) signals. So if you want to use the comb filter in the recorder then feed it composite; if you feed it s-video (Y/C) then the signal's already been separated by the LD player comb filter and the one in the recorder becomes redundant and is bypassed.
Best of all spend some time reading the forums and/or google about scaling and de-interlacing and comb filters etc. - so much information is available to learn. Nothing beats being able to make informed decisions about all this stuff!! Hmmm, ok. So would using the composite output from the D750 be the better option to begin with then? The only units I have to play with are the DMR-XW350 (DVDR/HDD) and JVC HR-XVS20AA (SVHS/DVD). I did try to do some reading about those units but can't find anything about comb filters involved so I guess they're probably crap. Well, the JVC I guess it's crap as it's an older unit and surely someone would have mentioned it somewhere. The XW350 I'm not sure about though, and yeah the fact it has hdmi made me think about improving picture quality on lcd. I'm not looking at buying anything just curious about using what I have to make an improvement even if only slight. Have you calibrated with a test disc? The biggest change you can make LD look way better on crap LCDs is to turn the brightness way way way down. Don’t buy random stuff for “improvements” until the stuff you already have is working at its best.
_________________ All about LD care, inner sleeves, shrink wrap, etc.
https://youtu.be/b3O-vHpHRpM
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 12 Sep 2019, 16:49 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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signofzeta wrote: Have you calibrated with a test disc? The biggest change you can make LD look way better on crap LCDs is to turn the brightness way way way down. Don’t buy random stuff for “improvements” until the stuff you already have is working at its best. I'm not looking to buy stuff, random or otherwise This is crap I already have lying around. If I do get random stuff it was free or virtually free along with some other stuff that I wanted. For LD test disc I have nothing and there's nothing cheap here. Maybe one of the LD's I have has a test chapter on it...maybe? Man I shouldn't have posted at all
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 14 Sep 2019, 16:48 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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gypsy wrote: Many Criterions have test patterns on them. I don't think I have any criterions on any format.
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deadlegion
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Post subject: Re: DVD Recorders with 3D Comb Filters Posted: 14 Sep 2019, 17:22 |
Advanced fan |
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Joined: 02 Aug 2019, 02:29 Posts: 660 Location: Australia Has thanked: 52 times Been thanked: 85 times
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There's a copy of Sony: The Test Disc (1995) [00MW-0009] on ebay atm, Malaysian seller. It isn't cheap so no way I'm buying it. I can see "Muse color" on the back cover and lddb lists the title as hi-vision LD. Does such a disc require a special player? I'm not aware of anything else.
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