Setting the standard deviation to 0 is valid and should be interpreted as directly using the sample value at the coordinates without weighting. This is made explicit in the documentation for the Corruption Detection extension: http://www.webrtc.org/experiments/rtp-hdrext/corruption-detection Also, change stddev to std_dev in halton_frame_sampler files. Bug: webrtc:358039777 Change-Id: Id5aa4110194f7f2b2fe9914c94304c90afd64198 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/363300 Auto-Submit: Fanny Linderborg <linderborg@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43070}