How to REDUCE NOISE AND GRAIN in DaVinci Resolve Studio
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How to REDUCE NOISE AND GRAIN in DaVinci Resolve Studio - In this video editing tutorial, Alli shows you how to reduce and remove grain and noise from your footage in DaVinci Resolve Studio!
GENERATED CAPTIONS:
In this tutorial, I'm going to show you how to clean up and reduce noise in footage. First, we'll focus on a clip featuring a person. Then, we'll examine an outdoor scene shot at night. Just a heads up, we'll be using DaVinci Resolve Studio. I won't cover the process in the free version of Resolve because, honestly, it's quite complicated. This complexity was one of the reasons I transitioned from the paid version to the studio edition.
For those new here, I'm Ali, and along with Will, I release weekly videos about DaVinci Resolve, videography, and gear reviews. In an upcoming tutorial, I'll dive deep into enhancing skin appearance. So, subscribe to stay tuned for that. Now, let's get started.
Footage might appear noisy due to dim lighting or underexposure. Some level of noise can seem natural, but when it becomes distracting, it's time to reduce it. Okay, we're in Resolve. If we zoom in here, you'll notice the noise in this clip. Let's go to the Color page. In the Effects panel Library tab, type "noise," and you'll find "noise reduction" under Resolve Effects. Drag this onto our node.
In the Noise Reduction settings, begin with temporal noise reduction (NR) before considering spatial NR. Temporal NR is less processor intensive. When dealing with noisy frames, analyze frames on either side. This helps determine detail, movement, and noise. If your clip has significant movement, opt for a lower number. For minimal movement, go higher. Since there's some movement, I'll set it to three.
Change the motion estimation type from "faster" to "better." This consumes more processing power but yields superior results. Adjust the motion range to indicate how much motion Resolve should consider. For this clip, I'll set it to medium. At this point, there won't be visible changes. To make a difference, we need to adjust the temporal threshold.
Fine-tune the Luma (brightness) and Chroma (saturation) sliders. By default, they're linked, affecting brightness and color together. If you wish to adjust them independently, uncheck "Luma Chroma Same Threshold." Increasing both sliders to 100 reduces noise, but extreme settings can make things look unnatural. A balance around 30 tends to work well—noise cleanup without excessive alteration.
Personally, I'm fine with a slight blur to soften skin imperfections, but avoid overdoing it to the point of an unnatural appearance. For motion, I usually keep this at 50 and leave "Blend" at its default setting. Now, let's see the before and after—quite a noticeable improvement.
I'm pleased with these results.
So, in this case, I'm not going to further adjust this clip by altering spatial NR. But in the next example shot, we will be, and you'll see why.
Okay, so here we have this clip shot outside at night of the CN Tower in Toronto, and it's quite noisy. In our Effects Library, let's drag noise reduction onto our node. I have movement in this clip, more so than the last shot we looked at, so I'll make frames on either side two. Again, change this to "better" and keep motion range at medium.
Let's zoom way in here to get a closer look. And of course, keep in mind that zooming way in is going to reduce the quality of the image. But I also want you to be able to see the difference in noise in the before and after. So, okay, first I'm going to increase the temporal threshold Luma-Chroma slider just a bit here. Remember, you want your noise reduction to be subtle. You don't want to push it too far so that things look unnatural. Let's turn the effect off for a sec. See the before. Okay, and here's the after. Okay, so that's done a good job. But I can clean this clip up even more using spatial noise reduction.
For you to see what this is doing, I'm going to add another serial node by right-clicking "Add Node" at serial. Okay, so I'll drag noise reduction onto this new node. Go to spatial noise reduction and change mode to "better." Of course, you could always push it even further by choosing "enhanced." But I gotta say, I find you only really need to use enhanced if you have to push Luma-Chroma far. Otherwise, in most cases, "better" does a great job and uses less processing power. Next, I'll uncheck Luma-Chroma same threshold because I want to work with these separately. And before we do, let's zoom in way more because I want to show you this.
So, the blacks here are supposed to be black, but in some cases, like with this clip, there are some blue, green, and/or red blotches. That's what spatial NR can help reduce and remove. So, I'll adjust the Luma to around 13 and the Chroma to around 27. Let's check out the before and after. You can also really see the difference here in the before and after.
Okay, that's done a good job. Now, because I've added noise reduction to this clip, I'm finding things are looking a bit soft. So, if your image is looking a bit softer as well, you can always sharpen it. Let's add a new node. Go to the blur adjustment icon, click on it, and we can slightly bring down the radius, which brings more sharpness to this image.
On a side note, if you want to learn more about how to sharpen footage or how to sharpen a particular part of your footage like someone's eyes, for example, then check out my "How to Sharpen in DaVinci Resolve" tutorial.
If you like the music in this video or you want to know the gear that we use, check out the description below for lots more DaVinci videos, as well as videography tips and tricks and gear reviews. Subscribe to our channel, and with that, I hope you have a lovely rest of the week. Thanks for checking this video out, and we'll see you in another one.
SUBSCRIBE ON YOUTUBE FOR MORE! (200+ FILMMAKING TUTORIALS):
➜ https://youtube.com/alliandwill
🎵MUSIC & SOUND FX WE USE IN OUR VIDEOS🎵
➜ https://bit.ly/2NPCjd7
👉GET 50% OFF OUR PRODUCTS:
➜ https://alliandwill.com/featuredproducts
👉VISIT OUR AMAZON STOREFRONTS:
➜FOR VIDEO EDITING: https://amzn.to/3XSlIHj
➜FOR FILMING: https://amzn.to/3EB8DuZ
OUR VIDEOS ARE EDITED IN ADOBE PREMIERE PRO. GET IT HERE:
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