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when i execute this program on pycharm than found about error , what
changing required in my code , anyone please help me. How can i modift it TypeError: ufunc
'add' did not contain a loop with signature matching.

#!usr/bin/python

import pandas as pd

import numpy

import numpy.matlib

import scipy

from scipy.fftpack.realtransforms import dct

from SIDEKIT.sidekit.frontend.vad import pre_emphasis

from sidekit.frontend.io import *

from sidekit.frontend.normfeat import *

from sidekit.frontend.features import *

import scipy.io.wavfile as wav

import numpy as np

from six.moves import input as raw_input



def readWavFile(wav):

        #given a path from the keyboard to read a .wav file

        #wav = raw_input('Give me the path of the .wav file you want to read: ')

        inputWav = 'C:/Users/KALEEM/PycharmProjects/kaleem_wavprocessing/12-Speech_Signal_Processing_and_Classification-master/feature_extraction_techniques'+wav

        return inputWav

#reading the .wav file (signal file) and extract the information we need

def initialize(inputWav):

        rate , signal  = wav.read(readWavFile(inputWav)) # returns a wave_read object , rate: sampling frequency

        sig = wave.open(readWavFile(inputWav))

        # signal is the numpy 2D array with the date of the .wav file

        # len(signal) number of samples

        sampwidth = sig.getsampwidth()

        print ('The sample rate of the audio is: ',rate)

        print ('Sampwidth: ',sampwidth)

        return signal ,  rate

def PLP():

        folder = raw_input('Give the name of the folder that you want to read data: ')

        amount = raw_input('Give the number of samples in the specific folder: ')

        for x in range(1,int(amount)+1):

                wav = '/'+folder+'/'+str(x)+'.wav'

                print (wav)

                #inputWav = readWavFile(wav)

                signal,rate = initialize(wav)

                #returns PLP coefficients for every frame

                plp_features = 'plp(signal,rasta=True)'

                meanFeatures(plp_features[0])

#compute the mean features for one .wav file (take the features for every frame and make a mean for the sample)

def meanFeatures(plp_features):

        #make a numpy array with length the number of plp features

        mean_features=np.zeros(len(plp_features[0]))

        #for one input take the sum of all frames in a specific feature and divide them with the number of frames

        for x in range(len(plp_features)):

                for y in range(len(plp_features[x])):

                        mean_features[y]+=plp_features[x][y]

        mean_features = (mean_features / len(plp_features))

        print (mean_features)



#def main():

PLP()

#main()

Give the name of the folder that you want to read data: samples Give
the number of samples in the specific folder: 5 Traceback (most recent
call last): File
"C:/Users/KALEEM/PycharmProjects/kaleem_wavprocessing/12-Speech_Signal_Processing_and_Classification-master/feature_extraction_techniques/plp.py",
line 53, in
PLP() File "C:/Users/KALEEM/PycharmProjects/kaleem_wavprocessing/12-Speech_Signal_Processing_and_Classification-master/feature_extraction_techniques/plp.py",
line 40, in PLP
meanFeatures(plp_features[0]) File "C:/Users/KALEEM/PycharmProjects/kaleem_wavprocessing/12-Speech_Signal_Processing_and_Classification-master/feature_extraction_techniques/plp.py",
line 48, in meanFeatures
mean_features[y]+=plp_features[x][y] TypeError: ufunc 'add' did not contain a loop with signature matching types dtype('

Process finished with exit code 1