In the case you get an error message when using CPU about OpenCL ICDs, it means Maxwell cannot find valid OpenCL drivers installed on your machine usually, those drivers are included with your graphics card drivers, so I would try updating the drivers to the latest. Maxwell, by default, will activate some extra channels that help the Denoiser distinguish the objects' shapes and textures so it preserves as many details and features of the image as possible.Īfter launching the render, you will notice the Denoiser channel is active, as well as the Normals, Position and Reflectance channels (the Reflectance channel won’t show if you are using the GPU engine to render the image). In order to use the Denoiser, you only have to activate it before launching the render. This will detect and reduce the spread of high energy pixels (very bright pixels that usually come from SSS materials or caustics). Again, low values mean more feature preservation, but also constrains the information available for the calculation High values mean more smoothing. It can change the overall look of the smoothing and how the noise is handled. Low values mean more feature preservation High values mean more smoothing.ĭefines the area around the pixel taken into account when calculating its color. Low values mean more feature preservation High values mean more smoothing.Ĭontrols the influence of the final pass that affects color differences. Low values mean more feature preservation High values mean more smoothing.Ĭontrols the influence of the extra passes (Normals, Position, Reflectance and Shadows). Low values mean more feature preservation High values mean more smoothing.Ĭontrols how much mid-frequency detail of the render pass will be retained this affects how color information is handled. This option allows to additionally denoise the shadow channel (it’s only available with "Auto configure" set to "Accurate", as it requires the Shadow channel to be active).Ĭontrols how much high-frequency detail of the render pass will be retained this affects how the edges are handled. This option sets all the required channels and options automatically so the denoiser can work it comes in two flavours: Fast and Accurate (explained in its section below). Check its section below for more details. The Size spinner lets you choose the maximum tile size that will be used. This feature makes Maxwell calculate the denoised image by tiles or pieces instead of trying to calculate it all in one go this reduces memory requirements a lot. Check its section below for more information. If on, the denoised image will be calculated using the GPU (much faster usually), if not it will use CPU. In this drop-down menu you can choose to calculate the denoised image at each SL step starting with the one set in the spinbox (8 by default) or only at the end of the render. The further you move the slider to the left, the 'stronger' the filter will be, and the more sounds it will filter out.Activates or deactivates denoiser calculation for the next render. If Method is set to Speex, specifies the level of suppression. NVIDIA Noise Removal requires the Broadcast SDK, linked above. RNNoise is higher quality but at the cost of greater CPU usage Speex is configurable. Specifies the method used for noise compression. Once installed, the NVIDIA Noise Removal option will appear as part of the "Noise Suppression" filter, alongside RNNoise and Speex. The NVIDIA Broadcast SDK redistributable is required for the NVIDIA Noise Removal filter. in a loud room) it can be quite effective at reducing things like PC fan noise or other environmental noises. While this is generally not effective at large amounts of background noise (i.e.
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The Noise Suppression filter can be used to remove mild background noise or white noise that may be in any of your audio sources.