Static spectra are very boring to the ear.
Incorporating damping means we use exponentially decaying traveling waves instead of non-decaying waves. As discussed previously, it saves computation to lump the loss factors which implement damping in the waveguide in order to minimize computational cost and round-off error. For simplicity, the length string is rigidly terminated on both ends. Also, let the output be simply the signal passing through a particular delay element rather than the more realistic summation of opposite elements in the bidirectional delay line . The loss factors are embedded between the delay-line elements.