SpeechEasy is a highly advanced stuttering aid that has been developed based on a well-documented phenomenon called the Choral Effect. The "choral effect" occurs when people who stutter speak or sing in unison with others and their stutter is dramatically reduced or even eliminated. This "choral effect" has been well documented for decades; however it is only recently that scientists have been able to re-create it in a small, wearable device that can used in everyday life. What has resulted are known as SpeechEasy fluency devices, based on the SpeechEasy technology that has proven to be very effective on fluency improvement.