Blend actions to new one?

I have two actions, one being a walk cycle and the other a cough action. Last one should be a complementary for the first one and I can blend them in NLA, but is it possible to “bake” this mix into a new action?

The general way is to select all your strips in the NLA. Hit spacebar and bake action. Results in a new action from the bake.

Yep, I’ll have to do that. But in that case I must be sure that the animations are final 'cause baking them to new one will introduce keyframes every frame instead of mixing existing ones, and that would cause to be a pain in the ass to edit resulting action.