I'm a saxophone player who recently signed up for a community concert band at a local college, but it's been about 7-8 months since I played with any regularity, and that wasn't much more than once a week. The band I've signed up for meets once a week for 3 hours, and I'm concerned about my ability to last through the entire time with an intact embouchure (I tended to lose my chops 90-100 minutes into the 2 hour rehearsals with my last group.)
Obviously, the best way to improve my strength and endurance in this respect is to practice regularly. However, I live in an apartment building and I'm hesitant to practice in my place for fear of getting noise complaints. I should find a means of practicing with some regularity anyway, but in the meantime: does anyone know of any good exercises to improve embouchure strength that don't involve making as much noise as regular practice?