datasource.py 文件源码

def get_noise_value(self):
        """ Generate random value for all channels. """

        new_left = uniform(self.min, self.max)
        new_right = uniform(self.min, self.max)
        new_mono = self.get_mono(new_left, new_right)

        left = self.get_channel(self.previous_left, new_left)
        right = self.get_channel(self.previous_right, new_right)
        mono = self.get_channel(self.previous_mono, new_mono)

        self.previous_left = new_left
        self.previous_right = new_right
        self.previous_mono = new_mono

        return (left, right, mono)