CPC H04R 1/288 (2013.01) [H04R 1/2892 (2013.01); H04R 1/30 (2013.01); H04R 3/02 (2013.01); H04R 9/06 (2013.01)] | 20 Claims |
1. A system comprising:
a waveguide having an open end for receiving an incoming acoustic wave and wall portions defining a first port and a second port;
a first electroacoustic absorber mounted to the first port and being electrically connected to a shunting circuit; and
a second electroacoustic absorber mounted to the second port and being electrically connected to an open circuit.
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