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How to connect an external video output to a computer (computer or laptop only as a monitor)?

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Hello everyone, I often encounter the need to urgently watch a video on a larger screen in real time (from a T2 tuner, camera or DVD). But here's the problem, a TV or monitor is not always at hand, but there is a laptop.
And here is the question:
 How to connect a regular “tulip” (device video output) to a laptop?


There, in the laptop, there are VGA, USB outputs for connecting to the Internet, but there is no HDMA.





How to connect and watch video on a laptop screen using the available sockets (VGA or USB)?
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40 comments
Author 0
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Ivan_Pokhmelev
In it was possible to isolate a photo of a frame from T2 (the same result came out from the camera) resolution of 1024x768 (instead of the former 720x576), but the volume is still the same maximum of 120 kB (in the photo frame from the film "The Servant of the People")
Author 0
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Ivan_Pokhmelev
honestech version 5.0 can’t download the trial version yet, and since the full version costs $ 50, VirtualDub downloaded, but something doesn’t open. I connected the tuner T2 (World Vision T34), it shows clearly on DVD mode (the others are blurred), when capturing a frame, the same photo parameters go out no more than 115 kB, and the screen does not increase (the diagonal was 18 cm)
0
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Your camera can't transmit the signal betterthan PAL 720x576 @ 25fps. Compare what happens on the laptop with the image of the same frame on the TV screen. At the same time, try to play with the size of the image on the laptop screen. If there is a picture on it substantially worse, the bad thing is the poor performance of the ADC in the Easier Cap.
What are the results in the previously recommended programs? Have you tried your honestech version 5.0?
Author 0
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Ivan_Pokhmelev
Olympus C-55, so it seems that it has an output for both USB (computer) and separately for analog (on the TV screen you can see the display, camera menu)
0
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Quote: New Standard
Here’s the camera I have a USB output and a "tulip",

What kind of camera, its full name?
Author 0
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Ivan_Pokhmelev
For PAL: 720x576 @ 25fps (one frame (jpg) will be 30 ... 100 kB), that means everything is correct there)). Right now I’ll explain where did the birch trees come from, I got a little confused, it’s not frames, but a photo. Here the camera I have has a USB output and a “tulip”, I take a photo with the camera, it has a parameter of 1 MB - when transferring it via USB to a computer (the first birch). Further, I transfer the same photo from the camera only through the “tulip” through Easier CAP і from the honestech VHS to DVD 3.0 SE program on the computer I make a copy (there are two options: a copy from the honestech window (48kB), or a copy at start-stop video "(96kB) (second birch). It turns out that the formats (resolutions) are cut off to a size of no more and no less (by the way, the small size of the photo increases to 720x576) 720x576, and when capturing a frame with honestech, the photo does not exceed 50-100 kB This is what I established as a result of the investigation)). But it’s bad that this honestech window is not stretched (it’s small, 18 cm diagonal), it’s not convenient to watch, it’s clear that the program is created, then I’ll check with other programs
0
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Quote: New Standard
PAL: 720x576 @ 25fps
And the resolution obtained after capturing frames? About the same? In this case, one frame (jpg) will be 30 ... 100 kB. Where and how did you take the first photo of the birch, before capture? Even if it was originally a super-duper, then after it was sent to the RCA output, it received analog quality. What are the parameters of the RCA output of the device from which you are looking at the laptop.
Take a look here.
Author 0
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Ivan_Pokhmelev
Here is NTSC: 720x480 @ 30fps; PAL: 720x576 @ 25fps
0
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And what is the resolution of the Easier CAP itself?
Author 0
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Ivan_Pokhmelev
To reveal at USD revealing through VirtualDub? Here is the first photo of the birch in front of the entrance, the second after passing the Easier CAP (on the DVD icon, but for WMV for some reason it’s even smaller, about 20 kB):
0
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Quote: New Standard
, and with other programs may be different results?
They can. Try VirtualDub. And on Honestech, try installing the wmv format, not the DVD. Quality is naturally the best.
Author 0
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Ivan_Pokhmelev
I install the DVD format, I noticed when installing the DVD the original photo has the most - 48 kB, with the input - 985 kB. With Video type: NTSC and with PAL. I don’t know what else to change here, but with other programs there may be different results?
0
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Quote: New Standard
When you run high-quality, focused photos through Easier CAP on a computer screen, the same photo is already fuzzy
What recording format do you install?
Author 0
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pogranec
And so it’s own on the disk (included) is called: honestech VHS to DVD 3.0 SE
+1
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Windows is an operating system. Ivan probably means what application program you work with this equipment.
Author 0
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Korolev
I agree. But in some embassies, when applying for a visa, they are asked to undergo biometrics, there are fingertips (for now). Or corneas - usually upon arrival in some countries.
The next time I ask the embassy employee, what kind of biometrics do you have: Physiological or Behavioral? They will answer, yes all sho have come on, come in handy, if Th))
0
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If to be absolutely exact it is called biometrics

If to be absolutely exact, the concept of biometrics is somewhat wider.
Biometric data can be divided into two main classes:
Physiological - refers to the shape of the body. Examples include fingerprints, face recognition, DNA, palm of the hand, retina, smell, voice.
Behavioral - associated with human behavior. For example, gait and speech. Sometimes the term English is used for this class of biometrics. behaviometrics.
Author 0
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Korolev
If to be absolutely accurate, this is called biometrics, although for greater accuracy (once), you can add the biometrics of the whole eye (with eyelashes) and not just the iris))
Author 0
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Ivan_Pokhmelev
Software on the computer? - Windows7. The Easier CAP manual says: USB 2.0, for PAL: 720x576 @ 25fps, NTSC: 720x480 @ 30fps. Here the window opens but it does not stretch out to the entire screen, neither by the bear, nor by other tools. When you run high-quality, focused photos through Easier CAP on a computer screen, the same photo is already fuzzy
0
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Quote: New Standard
Easier CAP is working fine, but minus - the image quality is not very high
Probably a modification or fake EasyCap. EasyCap does not reduce the quality of the VHS signal during digitization.
0
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Quote: New Standard
image quality is not very high,
What software do you use? Maybe VirtualDub or NanDub will help?
Author +1
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Ivan_Pokhmelev
I bought myself today Easier cap it works fine, but minus - the image quality is not very high, it costs about 6.5 Euros. And plus - there you can edit photos and videos, do special effects, if the infection is working for a long time, then I will pick it up, I'll see what's inside)) Thanks for the consultation!
0
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spending a lot of time

And with unpredictable results!
+1
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New Standard,
I thought the fingerprints will have to be taken for a passport sometime

Scanning irises and imprint eyes are slightly different things.
0
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Quote: New Standard
As far as I understand, transcoding a digit into an analog is a completely different process than transcoding an analog into a digit, that is, cannot you do this with the same decoder?

You again answered yourself.)))
Quote: New Standard
Here it is still interesting, but to solder by the scheme itself (if found) EasyCap is generally real, have there been precedents?
As for precedents, I have no idea. There are at least four or even more circuit options for EasyCap. Trying to solder independently what the Chinese cost 300 ... 400 rubles, spending a lot of time searching for a circuit and components, for wiring and manufacturing a board, for manufacturing is completely absurd.
Author 0
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Korolev
Yes, eye prints sounds like words to a song. Friends told me when they went to the UAE (Emirates) there they take photos of the cornea of ​​the eye at the border, it turns out that it is different for fingerprints of all people and it is harder to fake than fingers, and I thought the fingerprints would have to be taken for a passport sometime. So far, everyone is alive and the laptop and camera, I think I will agree with them))
Author 0
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Ivan_Pokhmelev
As far as I understand, transcoding a digit into an analog is a completely different process than transcoding an analog into a digit, that is, cannot you do this with the same decoder?
Here it is still interesting, but to solder by the scheme itself (if found) EasyCap is generally real, have there been precedents?
0
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Quote: New Standard
Some digital cameras have an analog output,

You yourself answered: "exit". And you need entrance!!
+1
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Ivan Pokhmelev gave you an exhaustive answer, otherwise, nothing! I have a request for you, please, unsubscribe, please, according to the results of experiments, I wonder what will die earlier, a laptop or a camera? smile
eye prints
About 40 years ago I would have adopted it in communication with the girls!
0
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I had a TV tuner on my old computer. Here it was possible to connect through it. But of course you cannot shove it on a laptop.
Author 0
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Ivan_Pokhmelev
In short, you need to digitize, but I saw that the webcam is also digital and not analog, well, thanks. Some digital cameras have an analog output, do they already have a built-in digital decoder? I’ll experiment with the connection anyway))
0
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Quote: New Standard
But what if the webcam is disassembled and a video is launched instead of it?

To start, read how the webcam works.))
0
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Quote: New Standard
the EasyCapture program is there, it’s not like that, instead of the camera, the video will not work (by opening the computer)?

What, is it really that, in Yandex banned ?! Enter EasyCap - and that’s it: a scattering of tails with boxes! This is what you need, it won’t work without hardware, VGA on the laptop is an output, RCA signal cannot be received via USB in principle: the first is digital, the second is analog. Everything is chewed, or buy EasyCap (or its analogue), or forget about viewing, there is no third.
Author 0
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Ivan_Pokhmelev
Yes, HDMI, a typo, or along the way I came up with HDMA. Petitions - officials came up with the idea that the people would decide for them what issues to solve first of all, while they rest in the Maldives, and they are not binding, only for consideration with a large number of votes)).
I have a program in it, the one that checks the fingerprints, when I enter, the EasyCapture program is there, is that not the case, instead of the camera, the video will not work (by opening the computer)?
-1
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interesting thought, but xs, what’s the signal
Author 0
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Dmitrij
Once I saw an adapter being sold, with a video “tulip” on a VGA with a box (circuit), there you still need to connect power, it cost 10 Euro, the seller said that to watch the video on your computer, it probably was. But what if you disassemble the webcam and start the video instead, does it have video capture there?
+1
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If directly, then, of course, nothing. Through EasyCAP (a simple video capture module, the price is 500 rubles) RCA is converted to USB, the quality is acceptable.
-1
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No, there should be an entrance, not an exit. On the laptop. Need a video capture card. If there is no input.
0
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I’ll ask the traditional question: "Again in Google with Yandex banned?". Or is a freebie so sweet? It would be difficult, but no, EasyCAP is searched for in 2 minutes. Instead, a huge petition is drawn up asking what much more time has been spent.
0
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What kind of beast is this HDMA?

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