If your footage alternates between slow (dialogue) and fast (action), use the "Split" tool. Apply Theia Detail Boost to action scenes (to handle motion blur) and Iris MQ to static faces. Version 2.3.0 makes rendering split clips seamless without re-encoding gaps.
: Version 2.x featured the classic vertical sidebar interface, which many long-time users found more intuitive than the later 3.x and 4.x "Topaz Video AI" designs. System Requirements (Legacy) topaz video enhance ai 2.3.0