The Secret Sounds of Music
Musical instruments generate wonderful, inspiring sounds through their vibrations. Polytec vibrometers can help us to discover the secrets behind these sounds, with early work already done on violins, cembalos and dulcimers. Even "secret sounds" can be revealed through testing with this technology. Read on to learn about other recent work on guitars, pipe organs, and steel drums.
Sound Recording of Edison Made Audible after More than 120 Years
Polytec’s TopSens optical surface sensors enabled the successful recovery of the audio from what is believed to be the oldest (123 years) commercial recording in the world, a wax cylinder with a woman’s voice reciting “twinkle, twinkle little star” recorded by an Edison device and integrated into a talking toy doll.