As all the best performers and public speaking know, confidence is as much about appearance as it is about feeling it. So where better to start honing your confidence than in your voice, one of the most important tools you have to give others a favorable impression?

As psychologist and author Larina Kase says: “True confidence is not thinking that you’ll get a great result. It’s knowing that you can handle any result.” Read on to learn the 10 secrets of sounding confident. These expert tips will prepare you for success in any professional or public-speaking situation.