logoalt Hacker News

dcan06/15/20251 replyview on HN

Terminating HDCP is difficult, you’d have to downgrade it to HDCP 1.4 and then have a 1.4 ‘compliant’ (see: device on the end for it to be a dummy monitor. If you need anything newer than HDCP 1.4, it’s likely not possible.


Replies

tverbeure06/15/2025

I did a tear down of this Monoprice dongle: https://tomverbeure.github.io/2023/11/26/Monoprice-Blackbird....

It terminates as an HDCP 2.0 endpoint and converts to HDCP 1.4. You’d still need an HDCP 1.4 sink to make it work though.

show 3 replies