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publius
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Post subject: Re: Crosstalk  Posted: 06 Feb 2012, 07:42 |
| Hardcore fan |
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Joined: 23 Sep 2003, 18:14 Posts: 1391 Location: United States Has thanked: 39 times Been thanked: 21 times
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elahrairrah wrote: Crosstalk is inherent in the format itself since it is a composite. Each player deals with it differently, some better, some worse. Pretty sure he means "interference between adjacent signal tracks", not "interference between luminance & chrominance signals in composite video". This type of crosstalk is not inevitable, & can be cured with proper alignment of the optical system.
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Guest
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Post subject: Re: Crosstalk  Posted: 09 Feb 2012, 20:45 |
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3M discs are pretty notorious for crosstalk, since 3M chose to replicate their discs using the original CLV standard instead of the later CAA. Many of Animeigo's discs pressed by 3M exhibit the typical herringbone interference.
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dewdude
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Post subject: Re: Crosstalk  Posted: 25 May 2012, 22:57 |
| Serious fan |
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Joined: 24 May 2012, 02:18 Posts: 193 Location: Manassas, VA/Northern Virginia/DC Metro/United States Has thanked: 0 time Been thanked: 2 times
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How difficult is it to align a player? Do you need a special disc? I have a pioneer cld-d505 I picked up about a week ago. I've been enjoying watching it on my 46" LCd as much as one can enjoy watching a standard def format on a high def TV with sub-par up sampling. I had seen what I thought was crosstalk, me discs are worse than others. But I notice a higher degree than at least I think it should be. The digital noise reduction on my TV, for the most part, makes it go away to a large degree. I just a little while ago hooked it up to a 70" Sharp Aquos quattron, which has a whole bunch of high quality video processing. While so far, I've thrown one title in, Death Becomes Her, its all over the picture and not around the edges like I've noticed join some discs. I know I should stick a few other discs in before freaking out, but, I'm totally new to this thing, and want to get the picture looking as god as possible. In fact, every clv disc I've tossed in shows the same amount of crosstalk, except the old ones, they seem to have a little less. Of course keeping my brightness turned down makes the dark scenes look better...I still see it over the entire picture.  It wouldn't surprise me if this player is a little out of alignment. I doing know how well the previous owner transported it, and its been moved a few times since I've gotten it. I assume since its picking up analog signals, misalignment is really going to matter.
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signofzeta
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Post subject: Re: Crosstalk  Posted: 07 Jun 2012, 00:15 |
| Jedi Knight |
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Joined: 14 Jan 2010, 09:44 Posts: 6080 Location: Ann Arbor Has thanked: 1363 times Been thanked: 1177 times
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I have a 603 that shows a thin line (maybe 6-12 lines of resolution) that begins at the bottom of the screen and slowly travels towards the top, at which point it starts again from the bottom.
This only happens on Side B and it only happens (I think) with AC-3 discs, although I'm not sure about that.
I have a new M Holder and gears on the way and I hope they fix this issue. This player has a problem where it skips a few seconds at the begining of side B. Also, side B playback in general is slightly less clear than side A.
This sounds like cross talk, but I'm not really sure what the problems are that you guys are talking about. I know that bad upscalers can minimize certain LD artifacts and maximize others when on an SD TV everything might look uniform. I've see morre effects that used to cover an entire area that only cover certain areas when shown on an HDTV, which just makes it even worse.
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brmanuk
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Post subject: Re: Crosstalk  Posted: 07 Jun 2012, 15:06 |
| Serious fan |
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Joined: 23 Oct 2007, 21:50 Posts: 149 Location: Hong Kong Has thanked: 10 times Been thanked: 6 times
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invenio wrote: Can somebody post a picture of what they're talking about? I use a CLD-97 blown up to a 150" projector screen (1080p) and I don't see any kind of "wavy lines." I have played a huge number of discs and although picture quality is better on some than others, and occasional isolated flicker (dirt or laser rot?) I have never had any other kind of "artifacts" pop up. Or at least none that I was able to discern. I would love to see some examples of this to know what to keep an eye out for if they start popping up. Thanks. My most recent machine is an Onkyo DX-V500 Pioneer clone. It's a karaoke machine with digital field memory and it plays both sides. Unfortunately it displays some awful crosstalk on certain (make that most) discs. The disc is the Hong Kong release of 'The Big Hit' I paused the film and took a photo.  As you can see there are some wavy lines to the right of Marky Mark's shoulder. When the movie is playing the wavy pattern moves a lot and is very obvious.  And again on either side of this gentleman's shoulders.
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