You are editing 480i DV footage from a 2002 camcorder. Your editing software’s "scale to frame size" looks terrible. You export a lossless intermediate file, then use a free scaler like Waifu2x (an AI upscaler for video frames) to process it overnight. It takes eight hours, but the result is a 1080p video that looks like it was shot on a modern CCD sensor. You have bypassed $300 professional plugins.
Available for free within the NVIDIA Control Panel or GeForce Experience, allowing for spatial upscaling across all games. Key Performance Tips lossless scaling gratis
Some specific papers you might find interesting: You are editing 480i DV footage from a 2002 camcorder