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Help recording while Windows 10 locked, LED off and low quality

Hi Experts

I have been trying to setup my Dell laptop Cam to record,

while Windows 10 screen is lock and
have the led turned off while recording and
make it use low quality (like 480p) to save disk space

I have found a link disable the Led via registry but didn’t work:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\AccessPage\Camera

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I have found the apps OBS Studio (https://obsproject.com/) and

works while lock screen :)
but cannot turn off camera led
Cannot get it to record low quality to have disk space (note, I did get to configure the video to resolution to 320x240 / FPS = 30, but it still saves the video as if high resolution 720p taking 21mb - i have tested Windows Camera and 480 takes around 8mb of a minute recording)

If any Experts knows OBS and how to turn off led while recording and have record low quality, would be great - or if any of the Experts know of a tool I can use to record with these feature, don't have to be OBS, would be great also.

nobus

is covering the led with tape an option?

David Johnson, CD

disabling the web cam recording led is something that bad guys use regularly the ability to do this is considered a security weakness so this ability has been almost eliminated

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ste5an

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jana

ASKER

is covering the led with tape an option?

that is what I have been am doing now :)

You need to set a constant bit rate in the first place (CRF) and use the x264 encoder.

Seems to work, couldn't find exactly verbatim what u indicated, but did the closest (see pix below) - it works super, 6 hrs of recording = 620MB (if I need something else let me know)