I have a Bachelors in Biology. Then began a career change and graduated from a 2 year trade school for sound design. If you're going to go to a school, I would argue that you'd get a more robust education from a Bachelor's degree program. But if resources are tight, then take a close look at the curriculum offered from the many 2 year programs and see what works best for you. But if you do have the resources and time, then you should dive into a 4 year program.