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在免提电话、电视电话会议系统、助听器、人机对话系统等应用中,混响效应是影响语音信号可懂度的重要因素,同时在立体声影院、立体声汽车音响系统等应用中,它也是影响双耳立体声效果的重要因素。可以通过对麦克风阵列输出信号的混响后补偿,或对扬声器阵列播放信号进行混响预补偿,实现去混响。到目前为止,已有多种不同的去混响方法,文中对这些已有方法进行了较为系统的论述。
Reverb effects are an important factor in the intelligibility of voice signals in applications such as speakerphones, videoconferencing systems, hearing aids, and human-machine dialogue systems, and are also influential in applications such as stereo cinema, stereo car audio systems and the like Binaural stereo effect of an important factor. The dereverberation can be achieved by reverberation compensation of the output signal of the microphone array or reverberation pre-compensation of the loudspeaker array playback signal. So far, there have been many different dereverberation methods, and the existing methods have been systematically discussed in this paper.