Abstract
This paper presents a microphone array with delay and sums beamforming(DASB) while using an adaptive noise canceller(ANC) with reference microphone array to suppress coherent as well as incoherent noise in disturbed speech signals.The algorithm does not rely on any signal model and dispenses with assumption of statistical properties of noise.It can be seasoned with changes of background and used for target speech recognition.The algorithm is of good real-time performance and robustness.The simulation results demonstrate that the proposed method works well in the environment with different noise.
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