Making a world of difference: our impact in the USA Take a look at the impact Lexonik by Sound Training has had in schools in the USA. Watch now Sound Training - Making a World of Difference from Lexonik by Sound Training on Vimeo. Lexonik Link: improving literacy for inmates at Walton County Jail, Florida Inmates at Walton County Jail in Florida, USA are shown skills that will help them to turn their lives around. Watch now Lexonik Link: changing lives for inmates in Walton County Jail, Florida. from Lexonik by Sound Training on Vimeo.