The Musician's Bowing Hand as a Bowing Parameter and Related Sound
* Presenting author
This work uses an existing precise bowing pendulum to measure the impact of the musician's bowing hand during sustained tones in the Helmholtz regime. Current models of the bowed string usually employ the three playing parameters normal bow force, bow velocity and relative distance to the bridge, but do not account for varying states of tension in the players bowing hand. In order to emulate a relaxed bowing hand, the bow is mounted to the bowing pendulum with the help of soft foam, alternative to a more rigid leather-cladded mounting. The alternative mounting audibly influences the sound produced on a cello's open G string. In particular, the spectral centroid is shifted to lower or higher frequencies, depending on the three playing parameters. This is a step towards understanding the playability of bowed instruments, which is of interest to string and bow makers, luthiers and players/teachers alike.