submitted 6 months ago by Decipher0771@lemmy.ca to c/privacy@lemmy.ml

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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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[-] refalo@programming.dev 3 points 6 months ago

That diagram is describing the hardware side of the NeTV, which is an FPGA device doing all this. That "mux" is describing a hardware 2:1 mux on the raw video streams, such as https://vlsiverify.com/verilog/verilog-codes/multiplexer/

The "magic" is described here: https://www.bunniestudios.com/blog/2011/implementation-of-mitm-attack-on-hdcp-secured-links/

[-] umami_wasbi@lemmy.ml 2 points 6 months ago* (last edited 6 months ago)

Got it. I can see where the problem is niw and how can the hardware is limiting. Thanks for the great article.

this post was submitted on 05 May 2024

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