FIGURE 7.

Amplitude spectra (in dB, normalized to its maximum) of the particle velocity (computed by a post-processing step combining experimentally and numerically derived data) at the glottis $v_g^{\mathit{sound}}$ (blue color), the experimentally determined EGG-spectrum (orange color), and their spectral slopes based on short-time averaged wideband spectra exemplarily shown for Belting /aː/ (A♭3). The abscissa shows the log₂-transformed and the normalized frequency (normalized to the individual fundamental frequency f _o ) in octaves (zero corresponds to the fundamental frequency and the first octave to the first harmonics, respectively).