. It received 184 points and 192 comments.

So they are claiming that ACR is done entirely through audio processing, and no visual data from the screen itself is used?  That...doesn't seem plausible.

This paper from 2024 investigated both Samsung and LG and found that they both…

tech

This link was posted by [datakan](https://news.ycombinator.com/user?id=datakan) 2 days ago on [HN](https://news.ycombinator.com/item?id=49645480). It received 184 points and 192 comments.

[Top comment](https://news.ycombinator.com/item?id=49673942) by [rpdillon](https://news.ycombinator.com/user?id=rpdillon):

> LG's statement:
> 
> > ACR uses audio fingerprinting technology using the TV’s internal audio processor (not a speaker) to identify content and does not collect screenshots, screen recordings, video recordings, voice recordings, or other audio recordings from the TV.
> 
> So they are claiming that ACR is done entirely through audio processing, and no visual data from the screen itself is used?  That...doesn't seem plausible.
> 
> This paper from 2024 investigated both Samsung and LG and found that they both…