Edwin Pfanzagl-Cardone is head-of-sound at the acoustics department of the "Salzburg Festival" of classical music in Austria. After completing his degree in Electronics Engineering and Information Technology at TGM, he graduated from the "University of Music and Performing Arts" in Vienna in 1991, and received a Tonmeister (Sound Master) degree. In 2000, he completed his M.A. in Audio Production at the University of Westminster, London. In 2011, he received his PhD in Musical Acoustics and Psychoacoustics from KUG - University of Music and Performing Arts, Graz, Austria. Since the early 1990s, he has been working as a sound engineer for music recording and live sound reinforcement, and for film and TV, mainly in Europe, but also in Japan and the United States. As an arranger and composer, he has released recordings with BMG and SONY in the field of pop music, and has provided content for international production-music labels, and for radio and TV commercials. Author of AES and VDT-convention preprints, Dr. Pfanzagl-Cardone has published more than 60 articles in magazines for sound engineers, such as Pro Sound News Europe, Studio Sound, Sound-On-Sound, and Production Partner. From 2010 to 2021 he has been teaching Sound Reinforcement Technology at the Faculty of Design, Media and Arts at the University of Applied Sciences in Salzburg. As a composer he has released four international CDs. In addition to several hundred archival recordings for the Salzburg Festival, his discography as a sound engineer consists of about thirty CDs and three LPs with music labels such as Deutsche Grammophon and Orfeo. He is the inventor of three microphone techniques: the AB-Polycardioid Centerfill (AB-PC), the ORTF-Triple (ORTF-T) and the Blumlein-Pfanzagl-Triple (BPT), and holds a patent in surround microphone technology.