I see, you are pretty good at this, keep training and on some point you will be able to use all your five senses. Maybe if you deepen it a little and let more of the visual to be created from your subconscious, things can become more interesting. (But maybe you must do it on the bed instead of chair, because of lethal reasons)As for "Audiolization", you can think of it as a dream in which you can't see anything and only can hear, so the voices will belong to the DCs. Once a voice wanted to show me something and told me to catch his invisible hand, the moment I did that, I was transported to absolutely amazing and solid dreamscape, it is like somebody teleported me