nurws waveguide
TRANSCRIPT
N.U.R.W.S. (Non Uniform Rational Wavefront Shaping)
FINAL MOULD DESIGN
FLANGE DIMENSION
NURWS Pressure progression
Pressure @ 19kHz
NURWS Polar Pattern
Horizontal
Vertical
NURWS Directivity Plots
Simulations Measurement
Horizontal
Vertical
Sound pressure phase on NURWS mouth
Virtual Prototype N.24
Final Virtual Prototype (N. 37)
Phase detected along the red line
Application example
In this simple application (demonstrative system for compact line array module and central or surround monitor in
cinema application) red curve is MLS, 1/3 oct, ambient measurement of NURWS unfiltered, grey curve is the total
response with DSP.
Array in mirror alternating configuration
Front view Rear view
Top view
261.5 mm
125 mm
Suggested acoustic adaptor for
Straight Array
useful for barycentric equilibrium and maximum angle in curved array
Straight Array
Curved Array
20° Max
Array in free end configuration
D. Cinanni, Sept. 2014
261
.5 m
m
Free end
Woofer position
useful for side column solutions and beam steering array