acr

东北大学的研究发现，三星 Tizen、Vizio 和 Roku 的智能电视在用户关闭追踪后仍会向自动内容识别（ACR）端点发送数据，引发潜在隐私违规担忧。研究覆盖了美国约 95% 的智能电视操作系统。

The article exposes how all TV companies, like LG, use technologies such as Automatic Content Recognition to track user viewing habits, often with buried consent agreements, leading to widespread privacy concerns.

LG Smart TVs are found to have invasive surveillance capabilities, using Automatic Content Recognition (ACR) to collect detailed data on viewing habits and local network devices, raising serious privacy and security concerns.