I had my second speech therapy session today, via a video link. I've been working on pitch for months on my own, NEVER speaking out of character (and obviously bugging my ex in those legal meetings) and am hitting my therapist's targets pretty easily.
I have some breathing exercises to improve my projection that i have been doing, and after a few days I can see the difference already. I chaired a meeting tonight and it went very well. I don't think I dipped into a male range at all, while before after 10 minutes or so my voice drifted downward significantly.
I've been working through a few simple sentences to develop more pitch variation and prosody in particular, and she was happily with the results. She's having me move onto doing character dialogs now, where I am to try and act out the voice variations to support a narrative. This is getting pretty interesting.
It's definitely work, but also definitely fun, and I can tell my voice is improving.