Patent ID: 9392358
Filing Date: 2016-07-12
CPC Classification: G10K,H04R

Claim Text:
1. An acoustic waveguide for shaping waves comprising: walls defining a chamber having an input end and an output end with the chamber defined therebetween; an opening at the input end for receiving sound waves from an acoustic transducer; an opening at the output end for outputting sound waves; the chamber opening in a first direction from the input end to the output end, the first direction being transverse to a path from the input end to the output end, the chamber defining a first inner face and a second inner face opposing and facing the first inner face; a plurality of projections provided on the first inner face and projecting outwardly therefrom; and at least two vanes disposed on the first inner face of the chamber, the vanes extending from proximate the opening at the input end and generally toward the output end.