Patent ID: 6788791
Filing Date: 2004-09-07
Classification: H04R

Abstract:
An acoustical system for processing at least one transmitted acoustical signal that propagates through an acoustical medium, wherein one of the at least one transmitted acoustical signals is a desired transmitted acoustical signal, the acoustical system comprising:an acoustical port array comprising a plurality of port sub-arrays, wherein the desired transmitted acoustical signal is generated by an acoustical source that is located at a horizontal angle with respect to the acoustical port array; a first port sub-array that is associated with the acoustical port array, the first port sub-array comprising a first port and a second port that are spatially separated by a first horizontal distance from each other, the first port receiving a first received signal and the second port receiving a second received signal; a second port sub-array that is associated with the acoustical port array, the second port sub-array comprising a third port and a fourth port that are spatially separated by a second horizontal distance from each other, the third port receiving a third received signal and the fourth port receiving a fourth received signal; a first capsule comprising a first transducer; a second capsule comprising a second transducer; a first acoustical pathway configuration comprising a first acoustical pathway that couples the first received signal to the first transducer and a second acoustical pathway that couples the second received signal to the first transducer, wherein the first transducer generates a first electrical signal comprising a first signal component corresponding to the desired transmitted acoustical signal over a first frequency range; and a second acoustical pathway configuration comprising a third acoustical pathway that couples the third received signal to the second transducer and a fourth acoustical pathway that couples the fourth received signal to the second transducer, wherein the second transducer generates a second electrical signal comprising a second signal component corresponding to the desired transmitted acoustical signal over a second frequency range.