To improve the effects of the hearing aids in noisy environments,an algorithm of frequency domain broadband beam-former combined with improved Wiener filter was proposed.The frequency domain broadband minimum variance distortionless response beamformer was used to enhance the speech effect in front of head and suppress the noise in other direction simulta-neously.The improved Wiener filter which can get better intelligibility was utilized to process the enhanced signal.Binaural recording data were used during the simulation.Results show that the improved post-wiener MVDR can achieve better intelligi-bility improvements in noise environment and the enhancement effects are obviously improved.%为改善助听器等设备在嘈杂环境中的使用效果，提出一种基于频率宽带波束形成后置改进维纳滤波的语音增强方法。利用频域宽带最小方差无畸变响应(MVDR)波束形成在对双耳正前方的语音进行增强的同时，抑制其它方位噪声，将增强后信号用改进的维纳滤波算法进一步处理。仿真过程采用实际双耳采集数据，仿真结果表明，该语音增强方法可在多噪声和低信噪比环境下取得良好的可懂度提升，获得相对较好的语音增强效果。
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