More information on HDMI splitters at the Speed Demos Archive forum:
https://forum.speeddemosarchive.com/post/how_to_bypass_hdcp_for_use_with_blackmagic_intensity_ps3_owners_read_here.html
Like the Amazon reviews, some are finding models that once worked are not working in later shipments -- indicating different versions with less capabilities. However, someone in the last pages of the thread found that the Sewell splitter does work. It may be another good link ... at this point in time anyway. :)