noisereduce:使用频谱门控(语音,生物声学,时域信号)降低p​​ython的噪声-源码

上传者: 42129113 | 上传时间: 2021-09-27 11:09:55 | 文件大小: 5.41MB | 文件类型: ZIP
使用频谱门控降低python中的噪声 该算法基于的一种降噪效果(但并非完全再现)() 该算法有两个输入: 包含音频剪辑的典型的噪声的噪声的音频剪辑(可选) 包含要删除的信号和噪声的信号音频片段 算法步骤 在噪声音频片段上计算FFT 统计信息是通过噪声的FFT计算得出的(频率) 基于噪声的统计信息(和算法的期望灵敏度)计算阈值 通过信号计算FFT 通过将信号FFT与阈值进行比较来确定掩码 使用滤镜在频率和时间上对蒙版进行平滑处理 掩码被叠加到信号的FFT中,并被反转 安装 pip install noisereduce noisereduce可以选择使用Tensorflow作为后端来加快FFT和高斯卷积。 它未在requirements.txt中列出,因为(1)它是可选的,并且(2)tensorflow-gpu和tensorflow(cpu)都与此软件包兼容。 该软件包需要所有

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