#thomaszloi

I'm reuploading one guide on making VHS effect more authentic I guess( I'm not gonna pretend I'm a specialist it's just when I was searching and studying it I noticed some people just apply channel effects or noises and overall pictures look like they're too fresh to be old looking) So first we need to understand how VHS works( I found this through videos on vhs and how nintendo 64 ported resident evil 2) VHS holders needed to save and hold a lot of information using metals that can't handle high resolution. In order to compress images VHS divides them into 2 groups: Tone(Black and White relation) and Chroma(color apply without tone channel type). These two channels are compressed to 1:16 of original resolution then changed into same size as original(by crop) but with less resolution. 1) Create new file in photoshop. Call it whatever you want just 'canvas1' can suffies. Sizes are: 640 px width 374(or any you want just in relation to classic 4:3 or 16:9) height AND printing resolution to 72 ppi. Create 3 other files with same application(canvas2 and canvas3 and canvas4) 2) In canvas2 we add screenshot(I used one I made in Hollow knight) now we're going to extract tone by using ctrl+U and change saturation to 0. Now we need to change image size and divide your width into 2 ( if we divide 640 into 2 we get 320 pixels width) height needs to stay the same so turn off button with proportional changes. After we compressed this file we call it 'tone' and save as jpg image. Now we need to add tone to canvas1 and transform it's width according to file size(don't change image size) this is layer1 now. 3) In canvas 3 we have same original screenshot but we need to apply different color profile in edit window(LAB colors) LAB colors consists of channels Light(this is our tone) and a b(these two makes chroma). We now need to open channel window and turn off Light(L) channel and we can see now e have pretty colors. I didn't find how to extract color from this profile so I made new screenshot of this file and add to canvas4(transformed it according to file size). 4)We can close canvas2 and canvas3. In canvas4 we need to change image size. We need to divide 640 into 16 we get = 40 pixels. Width are 40 pixels, height doesn't need to change. We can see now that this image looks squeeshed and that's right. This file we call 'chroma' and save as jpg. Then we need to add this image into canvas1 and transform it according to gile size without changing image size. This is layer2 now. 5)Change layer2 application from normal to color. If you want you can change oppacity to 65-75 %. Now we basically have broken vhs/low fidelity effect.(if you want you can add horro effect by changing layer mode to any instead of color)

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