TFMethods.py 文件源码

def hz2bark(self, f):
        """ Method to compute Bark from Hz.
        Args     :
            f    : (ndarray)    Array containing frequencies in Hz.
        Returns  :
            Brk  : (ndarray)    Array containing Bark scaled values.
        """
        Brk = 6. * np.arcsinh(f/600.) # Method from RASTA model and computable inverse function.
        #Brk = 13. * np.arctan(0.76*f/1000.) + 3.5 * np.arctan(f / (1000 * 7.5)) ** 2.

        return Brk