Microphone system and method of operating the same

摘要

A microphone system is provided, wherein the microphone system comprises a microphone array comprising a plurality of microphone units each adapted to generate a primary signal indicative of an acoustic wave received from the respective microphone unit, a first echo cancellation unit, an integrator unit, and a combination unit, wherein the microphone system is adapted to generate a first dipole response and a monopole response from the primary signals, wherein the integrator unit is adapted to generate a first integrated dipole response by integrating the first dipole response, wherein the first echo cancellation unit is adapted to generate a first echo cancelled integrated dipole response from the first integrated dipole response, and wherein the combination unit is adapted to combine the monopole response and the first echo cancelled integrated dipole response.

主权项

1. A microphone system, the microphone system comprising:
a microphone array having:
a plurality of microphone units each configured to generate a primary signal indicative of an acoustic wave received from the respective microphone unit,a first echo cancellation unit,a second echo cancellation unit,an integrator unit, anda combination unit, wherein the microphone system is configured to generate a first dipole response and a monopole response from the primary signals, the integrator unit is configured to generate a first integrated dipole response by integrating the first dipole response, the first echo cancellation unit is configured to generate a first echo canceled integrated dipole response from the first integrated dipole response, the second echo cancellation unit is configured to generate an echo canceled monopole response, and the combination unit is configured to combine the echo canceled monopole response and the first echo canceled integrated dipole response.