Mastering sound, a Swiss heritage

Switzerland is famous for its chocolates and watches. There's another, perhaps lesser-known field in which Switzerland excels: the mastery of sound. Swiss techniques for capturing and broadcasting audio have conquered the world, from Nagra or Revox recorders to Thorens turntables. How did Switzerland establish itself as a major player in the field of sound? And what about today, in the age of all-digital technology?