I ran across the Altair player during a search for flash players on my web site. I tested your examples using the NVDA screen reader.

The bad news is that once the player has been selected, as I tab through the player, all I hear is "button, button, button... ."

The good news is I don't get trapped in the player - I can escape and move on (many players trap screen readers).

There are ways of making Flash accessible (examples are the ccPlayer and JW Player). Do you have plans for adding accessibility to your player?