String Excitation

In §2.4 and §6.10 we looked at the basic architecture of a digital waveguide string excited by some external disturbance. We now consider the specific cases of string excitation by a hammer (mass) and plectrum (spring).

• Ideal String Struck by a Mass
  • Mass Termination Model
  • Mass Reflectance from Either String
  • Simplified Impedance Analysis
  • Mass Transmittance from String to String
  • Force Wave Mass-String Model
  • Summary of Mass-String Scattering Junction
  • One-Multiply Form for the Mass-String Scattering Junction
  • Digital Waveguide Mass-String Model
  • Displacement-Wave Simulation
  
  
• Piano Hammer Modeling
  • Nonlinear Spring Model
  • Including Hysteresis
  • Piano Hammer Mass
  
  
• Pluck Modeling
  • Digital Waveguide Plucked-String Model
  • Incorporating Control Motion
  • Successive Pluck Collision Detection
  • Plectrum Damping
  • Digitization of the Damped-Spring Plectrum
  • Feathering