Quantum Physics Offers Insight into Music Expressivity

Scientists at Queen Mary University of London are closer to understanding music by studying vibrato. Vibrato is the up-down oscillation in pitch. Well-timed vibrato can greatly enhance the quality of the music being listened to. Using a system called Filter Diagonalisation Method, processes musical signal and analyze these signals with greater accuracy than before, with less information required before. Due to the rapid changes in vibrato, the techniques that are traditionally used require a larger window, have had a difficult time measuring this information.

Written By Frank DiMarco

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