I’m getting tired of the extremely loud ads on that don’t seem to be subject to the old TV broadcasting laws that prevent them from being blasted 10db louder than the actual content. Wondering if there’s stuff out there that would let me take the hdmi stream from my Apple TV or other streaming source, and do ad detection like the olden days so that it could just mute or do volume leveling at least.
I suppose something very basic might just be an hdmi splitter to a rpi with hdmi that’ll detect ads via the black screens or “this ad will over over in 30s” overlays, then send a mute signal over CEC or something to a receiver or TV….but would be nice if it could modify the hdmi signal directly.
Thoughts on what to search for to do something like this?
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You could try an hdmi audio extractor and pipe that into a raspberry pi with the appropriate hat and run a real-time volume normalization dsp then run from the pi to your sound system or BACK into some hdmi encoder.
Probably run into major issues with delayed audio though.
https://thepihut.com/collections/raspberry-pi-audio-hats