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自适应语音盲分离

于 2023-08-15 发布 文件大小:1.93 MB
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代码说明:

当a和b同时对着传声器A,B说话且传声器靠得很近时,传声器A,B会同时接受到a和b的声音,即a和b产生了混叠干扰,此时通过自适应语音盲分离系统可以将a,b的声音分离开,使得一个信道只有一个人的声音。 具体过程是,利用自适应系统和nlms算法,A和B的误差信号分别互为参考信号,通过各自的自适应滤波器,得到的信号与混叠声做差,得到误差信号,通过误差信号最小的约束条件,可以每次改变滤波器系数,最后得到的误差信号即分别为分离出的语音信号

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