In 2015 Gaydecki co-founded Signal Wizard Systems Ltd, of which the University of Manchester holds a 20% share. It produces real-time DSP products for audio enhancement, with customers including NASA, Disney and numerous other research organizations. He has worked extensively on the real-time emulation of violins and cellos, collaborating with a number of partners within the UK and internationally. Working in partnership with Hans Johannsson, in 2018 Signal Wizard Systems released vsound 2, a consumer device that enhances the sound of an electric violin by convolving its output with the impulse response (IR) of high quality acoustic instruments, including examples by Stradivari and Guarneri. Vsound 2 has numerous professional and amateur customers right across the globe, including the USA, Europe, the UK, Canada, Australia, South America, New Zealand and several countries in Asia.