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Hi, I'm using an Arnold area light with an HDRI softbox image mapped to the colour. The scene has a lot of metallic textures in overlapping strands. The lighting looks really nice but it's extreeeeeemly noisy. I have tried all the usual adjustments with diffuse/specular samples (and light samples on the light itself). I've tried the clamp values/ rays etc too. They don't make much difference except for slowing the renders down hugely. I just wondered if I am doing something wrong here, or if there is something i've missed? Perhaps there is a way to clamp the values of the hdri somehow and still retain the nice look on the reflections?
Weird... I replied yesterday and my answer didn't show up. Anyway thanks for the swift response Lee. I discovered one of the main textures had transmission left on, I had thought it was off. So hadn't been checking for transmission noise. That's what it was. Thanks for the link- it nudged me to check!
