【摘要】：空間飛行器內(nèi)空間狹小,存在較大的語音混響現(xiàn)像,飛行器內(nèi)乘員不帶專用耳戴進(jìn)行語音通話時,混響信號影響通話質(zhì)量。利用聲源方位的信號進(jìn)行語音增強(qiáng)的方法可以抑制混響的干擾,獲得較好的通話效果。常用的聲源定位算法由于受混響的影響,很難對乘員的語音進(jìn)行有效地定位。通過研究空間飛行器的語音傳輸特性,提出了基于相關(guān)系數(shù)波束形成算法,該算法利用波形的相似性來抑制混響的干擾。實驗證明:算法具有較好的聲源定位效果,為語音增強(qiáng)提供聲源方位參數(shù)。
[Abstract]:There is a large phenomenon of voice reverberation in the space vehicle, and the reverberation signal affects the quality of the communication when the occupant of the vehicle does not have a special ear to carry on the voice call. The method of speech enhancement based on acoustic source azimuth signal can suppress reverberation interference and obtain better communication effect. Because of the reverberation, the commonly used acoustic source localization algorithms are difficult to locate the occupant's speech effectively. A correlation coefficient based beamforming algorithm is proposed to suppress reverberation interference by studying the speech transmission characteristics of space vehicles. Experimental results show that the algorithm has a good effect of sound source location and provides sound source azimuth parameters for speech enhancement.
【作者單位】： 蘭州空間技術(shù)物理研究所;
【基金】：中國載人航天工程重大專項(RWZY640601) 國家自然科學(xué)基金(61125101)
【分類號】：V443
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本文編號：2153032