Tsvetelina Tsvetkova is associate professor at NATFA, teaching audio post-production, sound design and mixing for film and TV. She holds a PhD degree from NATFA. Tsvetkova’s research interests are mainly focused on surround and immersive sound, and auditory perception. Along with teaching, she is also an actively working sound designer and re- recording mixer with more than 20 years of experience. Over the years she has worked on many films and TV programmes and has a large filmography of documentary, feature and animated films.