This may have nothing to do with Autism or Asperger’s, but bear with me while I explain why I sent this to you.
Sign language is very unique and how it communicates. The same could be said for anyone on the spectrum, because we communicate differently as well. Reading this article might actually help you interpret how to talk, and how to change your voice based on who you are talking to and their personal preferences. That is a valuable lesson for anyone to learn, including those on the spectrum.