Acoustic waveguide and electroacoustic system comprising...

Details Acoustic waveguide and electroacoustic system comprising... Acoustic waveguide and electroacoustic system comprising...

G - Physics

10

K

G10K 11/18 (2006.01) G10K 11/22 (2006.01) G10K 11/26 (2006.01) H04R 1/20 (2006.01)

Patent

CA 2610944

Acoustic waveguide (1) comprising: - an internally hollow primary body (2), provided with an opening (3) for an incoming acoustic radiation and an outlet opening (4) for diffusing said radiation to the outside of said guide (1), the primary body (2) defining an acoustic flared conduit (9) for propagating said acoustic radiation between the inlet opening (3) and the outlet opening (4), - a plurality of acoustic discontinuity elements (L1, ..., L N) provided inside the acoustic conduit (9) between the inlet opening (3) and the outlet opening (4), and which are such as to interfere with said acoustic radiation propagating inside the acoustic conduit (9), characterized in that: said plurality of acoustic discontinuity elements comprises an array of spaced apart pins (5) transversal to the acoustic conduit (9). (Fig. 2)

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