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You can enable the PureVideo/CUDA hardware acceleration when video signals from IP devices are decompressed. In this case, the GPU of the video card can perform decompression, which reduces the load on the Server server CPU.

Limitations of using the PureVideo/CUDA hardware acceleration

1. You use Use Windows 10 and later, which supports operates with NVIDIA GPUs, as well as related libraries and drivers, such as the CUDA Toolkit and NVIDIA Video Codec SDK.
2. Video card with NVDEC hardware decoding support is installed.
   

   Note
   title Attention!
   CUDA is compatible with generations of computers on architectures: Kepler (partially), Maxwell, Pascal, Volta, Turing, Ampere, and Ada Lovelace (partially) (see CUDA). You can check the version of your GPU Compute Capability on the manufacturer's website. When you use NVIDIA GPU, we recommend installing the latest driver version from the official website.

3. It You can use it only be used for one video card.
4. It can only be used You can use it for decompression of live video on the Clientclient.
5. It You can be used use it for decompression of video signals with H.264 and H.265 compression formats.
6. It You can be used use it for decompression at any resolution of the camera.

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To enable the PureVideo/CUDA hardware acceleration in the settings of the Camera object, do the following:

1. Shutdown Axxon PSIM if if it was run is running on the computer.
2. Set the 1 value for the EnableCodecSettings registry key (see Registry keys reference guide. For more information on working with the registry, see Working with Windows OS registry). The key opens the Decompressor and Compressor parameters settings for editing.
3. Go to the Advanced settings tab on the settings panel of the Camera object.
   
   
4. From the Decompressor drop-down list, select the Nvidia decoder value.
5. Click the Apply button.
6. Restart Axxon PSIM.

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