Infoseite // V8/Hi8 on D8: sadness around the edge and strip flimmeriger below s.Rand



Frage von Tobias Claren:


Hello.

Here is a frame:

zum Bild

I have a screenshot (from the player window), and then in the image editing in a previously opened window, set 720x576 and deinterlaced as a level 10 Jpeg saved ..

The thin horizontal stripes which I saw while playing, are not to be seen.
The frequency of the TFT monitor is 75th The material must be 25. That should not strip this show, right? But this is not an image error in the material as it seems.

Are important here but the bottom disturbance, and the picture that the area does not completely fill.
The latter is normal for analog video?
And what caused the trouble may have below?
Transfer Video8 was recording on a Sony D8 camera.

The old cameras (in this case a Sharp Viewcam, anber are synonymous nor SonyHI8 recordings da) are still there, but they were defective. The Hi8 no longer opens the cassette compartment and just beeps.
I therefore wanted to avoid the shots on the old play equipment. To do this I probably would have both analog inputs / outputs of the cameras (using a cable with two 4-pin jack which does not exist) connect, and the old analog start, and the readout PC via D8.

Apart from the non-rewarding financial application in mutilated V8/Hi8-Geräte with the risk that the disorder can be seen as synonymous, it is synonymous the question whether the whole detour Gesammtergebnis not be adversely affected.

If there is no winning solution, that would just kind of Picture aufzuzoomen extent that it is the analog edge grief is gone, and while this disorder.
Would be practically, if a capture-the software itself can be.
Autodetects something or it is once the area. But of course on the plate than 720x576 raised.
Good for the optimizer would be more familiar V8/Hi8-Probleme (I have no idea) or the low quality.

Here is another picture:
zum Bild
As you can see below the fault synonymous, but in her more from the rest image.

Space


Antwort von JMS Productions:

Hello Tobias,

The description of you "flimmrige Strip" is in analog recording is normal. Also, the picture is not completely filled, it is normal for analog recordings (which is so synonymous with me).
You need material s.dem nothing to change So say zoom or crop, because if you all later on DVD and burn it s.deinem Television anschaust, you will notice that both the "flimmrige Strip" (called, believe I, Jitter) and die schwarzen Ränder weg sind. Was ist also passiert: Jeder Television hat einen sogenannten "overscan" area, allowing you s.Television fewer (but only minimally less (!!!)) see, rather than on PC monitors.

The horizontal lines, I can not say much, except that these occur synonymous with me, seems not so unfamiliar phenomenon to be ...

If you have your material exclusively s.PC and you want to consider the jitter and the black edges deart upset, then you can again have a small picture to think about circumcision. For TV viewing, but you can be and makes the material as it is ...

Space


Antwort von mov:

Even my analog recordings, these edges and the bottom strip, no preference of whether VHS, Hi8 or Satelittenreceiver. I do this with Compressor or MPEG Streamclip to garaus.

Space


Antwort von Webspider:

Hi,
I digitize analog synonymous many recordings and tell me if I have trouble doing this, I would like synonymous a convincing result. If hot, with the edges of grief, I would not be satisfied. I make it so that I only with the ADVC 100, DV Avis create. Where I prune the Picture (remove the edges and scale back up to 720x576) with TMPGEnc 4.0 XPress. Possibly. I use depending on the needs yet another filter. Ultimately, I render the whole thing as MPG2.
The result is real supergut. Sure, initially it is a bit more effort, but I will spare me so in the longer term, the frustration, I should something digitized s.Calculator watch, always beknackt these edges to see them. And that picture a little cut was not p. remembers.!
So long,
Klaus

Space


Antwort von Tobias Claren:

No, fortunately, there is no overscan strip.
Since I had some time ago when due to a Samsung HDTV tube complained because there were missing parts of the desktop. Especially the Tastkleiste as a menu and see above the edge of the Media Center.
They had the next to a shortage as unschärkegefühl accepted, and off rumrepariert. The shortage has been the only increase, and the service was not competent enough, the picture tube after two exchanges (! Was the only rip off compared to Samsung would be with the time and expertise to the adjustment would have gone geklappt) to provide sharp. The first device was still s.besten. In any case, there then Samsung, and gifts from a 32 "LCD HDReady.
This one is sold, and by a Amoi 37 "LCD-FullHD replaced.
There is, as with any LCD no "overscan".
A super-TFT monitor what the PC is concerned.
Whether I have the HDMI from your PC or a video player, there is no feeding preference. Overscan does not exist.

I have the video has played. A DVD player is available in the sense eh not (there are no synonymous DVDs). The (HT) PC Player # 1
Of course you can see the uneven Flimmerstreifen and the black rim.
Overscan is antiquated :-). A stopgap measure was then. Today would very much limit what the function of LCDs is concerned.

"If your material exclusively s.PC and you want to consider the jitter and the black edges deart upset, then you can again have a small picture to think about circumcision. For TV viewing, but you can be and makes the material as it is ... "

Precisely this is too sweeping. That works for 70 years with 70 neighbor-tube in the TV cabinet .....
But LCD TVs with HDMI input, there is virtually no difference to the computer.
And I see this as positive because of the overscan brings me stress.
Known for the TV producers in relation to complaints tubes were problems with the menus of XBox and Co. s.Bildschirmrand. A PC desktop etc. Is there the same problem. And the first LCDs the problem seemed to have synonymous.
And synonymous with TV recording, I have not the problem.
About DVB is probably only the TV-picture is sent, not black edges and Flimmerstreifen etc..

These lines are hotrizontalen gossamer, and act more like a knife cut.
They should really only occur if the frequency of the videos and the TV does not quite fit together.
But 75Hz refresh rate and 25 frames per second actually fit together. Rather 30Bilder at 50Hz would be problematic.

@ Mpov

"Compressor or MPEG Streamclip". Have I found to do so. Which is better, or is a free and the other not?

"Compressor" can not seek, as too general, and MPEG Streamclip seems to Mpeg creation to sin (?).

@ Can use

I think so synonymous that you do not remember. But these Flimmerstreifen and you can see the edges.

What steps exactly with what software are they? "ADVC 100" tells me nothing.
I had been looking for an instructions what steps you ideally with old Video8 and Hi8 in the course of carrying out digitization. Or. whether it is capture software where there are such refurbish it. I want the best possible material for the same cut and repository.

Space


Antwort von tommyb:

"Clare Tobias" wrote: No, fortunately, there is no overscan strip.
Since I had some time ago when due to a Samsung HDTV tube complained because there were missing parts of the desktop.

This is without big problems with the graphics card settings. ATI cards for example, have something extra for an overscan function.

Quote: beside a unschärkegefühl accepted
To blur the edges? This is normal and is simply s.seiner construction.

Many LCD TVs have features that "Vollpixel" (SONY), or "1:1 display called. This allows you to disable overscan area. Only it is still useful if you have old VHS tapes or just watch those Hi8 recordings. Many commercial DVDs are also an edge of sadness.

With old VHS recordings I go below to:

1. Capturing on the PC (with a cheap box of Pinnacle), uncompressed and with VirtualDub
2. With Avisynth deinterlace to 50 frames
3. Mourning off the edges and jitter
4. Noise and other filters
5. Resolutionreduzieren to around 512x384 (with VHS you can hardly notice a difference if it was previously entrauscht)
6. Compress with x264 and Q20 to Q24

Space


Antwort von Tobias Claren:

An adaptation of the desktop via graphics card is "ugh".
This will only worse the picture.

With the feeling of uncertainty was the whole picture meant. It was a tube. They have a "Slimfit". The lower depth (other than 82cm tubes) went to the expense of image quality. In total, and left to right and out stronger (because of the strong curvature of the electron beam).
After the first "repair" it was even worse. Because it was not a repair (two times at the expense of Samsung replace the tube), but a clean setting of the image geometry and convergence.
Was she still at the beginning solala, were after the exchange and the bungling adjustment lines in test images right arches. And the picture was even more blurred than before. So in the test image, the three primary colors in a strip as far apart that they are not even affected.

The blur was there with a tube HDTV. When there is an LCD which is not.
The pixels sit firmly where they are. The 37 "FullHD TV for 500 euro has a great picture via HDMI.
Even if one is looking for a monitor. 1920x1080 and 37 "where you get as a monitor for 500 Euro?

I do not know the LCD "Vollpixel" next "Pfui" mode with overscan support. The TV here here can only 1:1.
And when old analog recordings like this as above, I want to anyway before archiving or further "correct".
Just as the images directly as a DV of the Camera were recorded. Since there is not.
The old stuff will not reach the quality of the image (where should come synonymous), but I want it at least as well as the DV images without borders and stripes flutter have. And if it is meaningful refurbish may then synonymous not hurt. Then again as DV compression. For further Recalculations DV should not be problematic. Much less than the initial compression in DV.

1. Is it better than with the D8-camera?

2. Why at 50 frames? At deinterlacer synonymous course I thought so, but the D8 recordings are so synonymous still interlaced before. That is so synonymous nor when it was time for BlueRay or DVD in Mpeg2 or Mpeg4 exported or equal burns.

3. That is what I ask here. "Jitter" is probably the "Stripes flutter. What and how does it because s.besten before? It is important that this s.besten to many clips at once goes. So that once it is executed. Otherwise it would be up to hundreds of thousands of clips horror work. Scenalizer is sooo known, but that would be something where the programmer functions to remove these two problems could be fitted.

4. Noise and "other" would be the other things that I do not know. And where I do not know what and wiebzw. what makes sense or what the programs do well. And again note: hundreds to thousands of clips after capturing a pair of bands on the plate

5. Why lower Resolutionals 720x576?

6??

This would be a useful tutorial. A report on the digitizer of V8/Hi8-Aufnahmen old. Incl .- naming of the best methods / software and its handling. Only the essential analog recording what is important.
Or just a piece of software is aimed specializes.

I found a magazine on the net, which years ago had such a report, but it was not available online.

Space


Antwort von JMS Productions:

"Clare Tobias" wrote:
There is, as with any LCD no "overscan".
Overscan is antiquated :-). A stopgap measure was then.


This I do not think so ... Each LCD, which I already seen or used, it has (te) an overscan area. The mark (s) it is sometimes to the latest Full HD-Ready devices. This assertion can I tell you with 100% certainty the affirmative, because I had a lot of my self-created DVDs / Blue Rays for a second / third time burn, because I problems with the DVD menu or got written up. What s.PC monitor still fits really nicely in Picture was s.den LCD devices (s.meinem incidentally synonymous) are truncated. And the LCD screens were not in the "zoom mode", etc.

What Wikipedia says about the whole:

"... When screens with active pixels (eg LCD or plasma), the picture displayed in theory pixel accuracy, so that actually no overscan area is necessary. But synonymous such display devices use an overscan. For example, some flatscreens enlarge the incoming Picture by about 6%, then the margin of 6% to cut. This means a loss s.Resolution, the film or video material, however, is hardly perceive. In delicate elements such as fonts or fine lines, more or less strong Skalierungsartefarkte occur ...

Well, that coincides with it pretty much to what I have done and s.Erfahrung with "tommyb 's statement.

"Clare Tobias" wrote:
"If your material exclusively s.PC and you want to consider the jitter and the black edges deart upset, then you can again have a small picture to think about circumcision. For TV viewing, but you can be and makes the material as it is ... "

... But in LCD TVs with HDMI input, there is virtually no difference to the computer ...


See above ...

"Clare Tobias" wrote:
And I see this as positive because of the overscan brings me stress.


Well, if you know how to use the overscan can be prevented by using, for example while cutting a control television monitor is used, problems arise with truncated elements do not. You would not think you synonymous due to jitter or more edges, because the disappearing (oh wonder) on the monitor as synonymous afterwards on the right TV.

"Clare Tobias" wrote:
What steps exactly with what software are they? "ADVC 100" tells me nothing.


In the ADVC 100 "is one (of many) Analog-to-digital converters of the firm Canopus. (Analog Digital Video Converter). More info can be found under www.digitalschnitt.de. There you have the opportunity synonymous yourself one of these converters to buy or weekly basis to lend.

"Clare Tobias" wrote:
I had been looking for an instructions what steps you ideally with old Video8 and Hi8 in the course of carrying out digitization. Or. whether it is capture software where there are such refurbish it. I want the best possible material for the same cut and repository.


Then you will be an A / D converter (such as the ADVC-100 or ADVC-300) does not get round. The cheap-Dazzle USB Grabber parts you can all forget. Possible disadvantage of ADVCs: As the ADVC analog material into a digital converter and everything happens right in the device, not only softwäremäßig on the PC, but fall on the PC to transfer large files, because in the DV-AVI format. If, however, greater emphasis on quality than on disk is laid (which actually should be), then this aspect is irrelevant.

"Clare Tobias" wrote:
Or. whether it is capture software where Solc

Space


Antwort von tommyb:

2. I play my videos on the same HTPC s.and it makes no sense to me when playing the video to deinterlace because only poor quality and fast algorithms can be used (eg ffdshow).

50 fps is because the material is so synonymous 50 frames (fields) has.

3. Trimming with Avisynth. For many thousands of clips all clips easily to a large clip join. Or should the thousand clips remain?

5. The lower Resolutionist simply for the reason, for example, because the VHS has no eh 720x576 but most are half (or quarter).

I have such a wonderful synonymous Samsung had with its HD-tube. It has a wonderful synonymous Picture rausgegeben, even with SD material. The picture was just great. Only made the convergence problems - like what you've already said is s.seiner construction.

Quote: An adaptation of the desktop via graphics card is "ugh".
This will only worse the picture.

Let all times to:

My ATI HD2600 offers me the Overscan slider bar between -15% and 0%.

I put this at 0%, the Resolutiondie they s.DVI rausgibt exactly 1920x1080.

I slide the slider to -15%, the picture in the graphics card runterskaliert and added a black border around the overscan (if you have the HTPC s.einen CRT TV connected) to compensate.

Today's graphics cards are perfectly able to scale well. Do not forget that the VHS recorder synonymous only somewhere around 320x240 pixels and it is playing is hochskaliert (Pfui. ..). And the Super Nintendo was synonymous has done nothing else. And your current Funai makes nix synonymous with the other DVDs and the normal TV.

Space



Space


Antwort von Gast 0815:

Hello Tobias,

if you have the disturbing image areas want to remove, halt, there are only 3 possibilities: s.Overscan on, b) framework / "Grief edge ', c) cut / enlarge.
If I understand you, do you prefer option c.

Feasible is something of course, how much s.Bildqualität is lost then you have to judge for themselves.
Whether that is on the fly, during capture, is possible, in turn, depends of your hardware. Theoretically, the Virtualdub with, provided a suitable capture driver here is addressable (via cropping, followed by application of the Resize filter with Zieauflösung 720x576 and then as a DV AVI file). But the danger that these frames are lost, increases with each processing step during the capture, it would be too risky to me personally. Furthermore, metadata such as time code, etc. is probably lost (and the synonymous but you wanted to change / use?). And other possible (computationally intensive) as Denoiser corrections, color, etc. then you have to anyway in another editing pass to make.
So my path would be: raw capture, timecode extract in Virtualdub cropping, picture / color correction settings, etc., and then resize a DV Avi save Timcodes add. Automation (for many files), this could be built on the script function where appropriate, be synonymous.

Alternatively, you could use for your purposes synonymous use Avisynth, which most users, however, because of the lack of graphical interface is not so.

Greetings from Marburg

Space





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