HowToAV takes a '101 in Audio System Design' with audio expert and AVIXA Senior Staff Instructor - Chuck Espinoza. We take a look at the differences in technology, layout, output levels and equipment requires when designing a professional audio system. Chuck explains that 'one size does not fit all' in the wide range of audio applications, from live performance and stadium concert sound to public address, voice evacuation, induction loops, sound masking and everything in between.