"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. Where ACR is available and enabled, ACR-related information may be used for audience segmentation and viewing or audience trend analysis. Interest-based advertising and cross-device advertising require separate user consent through the applicable advertising-related agreements."

... and later ...

"ACR uses audio fingerprinting technology to identify content. Rather than collecting screenshots, screen recordings, or visual content from the TV screen, ACR extracts a digital fingerprint of the TV content being viewed using the TV’s internal audio processor (not a speaker). ACR does not collect or store voice recordings, other audio recordings, screenshots, screen images, or video recordings from the TV."

From here: https://www.lg.com/global/newsroom/news/statements/statement...