CPC H04R 1/342 (2013.01) [H04R 1/1091 (2013.01); H04R 2410/07 (2013.01)] | 21 Claims |
1. An acoustic sensor comprising:
a primary waveguide having a port opened to a local area surrounding the acoustic sensor and an additional port opened to the local area surrounding the acoustic sensor, the primary waveguide configured to direct airflow from the port to the additional port; and
a secondary waveguide having a smaller cross-section than the primary waveguide and having a first opening coupled to an internal opening of the primary waveguide and a second opening coupled to a microphone configured to capture audio from the local area, the secondary waveguide configured to direct audio from the local area to the microphone.
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