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GedLee Nathan

Click on links for full set of plots.

Horizontal directivity plots

GedLee Nathan H Front Contour Plot

Frontal horizontal contour plot

Vertical directivity plots

GedLee Nathan V Front Contour Plot

Frontal vertical contour plot

Directivity index plots

GedLee Nathan Front Hemisphere DI Plot

Frontal hemisphere directivity index plot

Constant directivity metrics plots

GedLee Nathan Front Horizontal Polar XCorr Plot

Front horizontal polar X-Corr. plot

Measurement notes:

  1. Date performed: 14 September 2010
  2. Nominal measurement distance: not available
  3. Transducer type: waveguide; dynamic
  4. Exponential sine sweep settings:
    • Frequency range: 1 Hz to 48 kHz
    • Duration: 5 seconds
  5. Impulse response window settings:
    • Type: Tukey (cosine fade-in, flat, cosine fade-out)
    • Duration: (0.5, 3, 0.5) msec
  6. Frequency resolution: 250 Hz
  7. Spectral smoothing: 1/24th octave
  8. Directivity index averaging range: 500 Hz to 20 kHz
  9. Alignment: Information not available.