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녹음파일과 음원을 합성하는 코딩 중입니다..

line 24, in <module>
    v_data = np.array(v_data[0:len(v_data):diffRate])
TypeError: slice indices must be integers or None or have an __index__ method

이러한 오류가 뜨면서 자꾸 실행이 되지 않습니다.. 뭐가 문제인걸까요..?

<전체 코드>

import numpy as np                                        
import matplotlib.pyplot as plt                          
import scipy.io as sio            
from scipy.io.wavfile import write                      
import os

v_samplerate, v_data = sio.wavfile.read('voice.wav')
b_samplerate, b_data = sio.wavfile.read("Invisible_Beauty.wav")

v_times = np.arange(len(v_data))/float(v_samplerate)
b_times = np.arange(len(b_data))/float(b_samplerate)

if (len(v_data.shape) > 1) : 
   v_data = np.array(v_data[:,0])
if (len(b_data.shape) > 1) : 
   b_data = np.array(b_data[:,0])

if (v_samplerate > b_samplerate) :
   diffRate = v_samplerate / b_samplerate
   v_data = np.array(v_data[0:len(v_data):diffRate])
   sr = b_samplerate
elif (v_samplerate < b_samplerate) : 
   diffRate = int(b_samplerate / v_samplerate)
   b_data = np.array(b_data[0:len(b_data):diffRate])
   sr = v_samplerate
else :
   sr = b_samplerate

mix_data = v_data + b_data[sr*10:len(v_data)+sr*10]

b_data[sr*10:len(v_data)+sr*10] = mix_data

scaled = np.int16(b_data/np.max(np.abs(b_data)) * 32767)
write('voice2.wav', sr, scaled)
os.system("start voice2.wav")

녹음파일과 음원을 합성하는 코딩 중입니다.. line 24, in v_data = np.array(v_data[0:len(v_data):diffRate]) TypeError: slice indices must be integers or None or have an index method 이러한 오류가 뜨면서 자꾸 실행이 되지 않습니다.. 뭐가 문제인걸까요..?

<전체 코드>

import numpy as np
import matplotlib.pyplot as plt
import scipy.io as sio
from scipy.io.wavfile import write
import os

v_samplerate, v_data = sio.wavfile.read('voice.wav') b_samplerate, b_data = sio.wavfile.read("Invisible_Beauty.wav")

v_times = np.arange(len(v_data))/float(v_samplerate) b_times = np.arange(len(b_data))/float(b_samplerate)

if (len(v_data.shape) > 1) : v_data = np.array(v_data[:,0]) if (len(b_data.shape) > 1) : b_data = np.array(b_data[:,0])

if (v_samplerate > b_samplerate) : diffRate = v_samplerate / b_samplerate v_data = np.array(v_data[0:len(v_data):diffRate]) sr = b_samplerate elif (v_samplerate < b_samplerate) : diffRate = int(b_samplerate / v_samplerate) b_data = np.array(b_data[0:len(b_data):diffRate]) sr = v_samplerate else : sr = b_samplerate

mix_data = v_data + b_data[sr*10:len(v_data)+sr*10]

b_data[sr*10:len(v_data)+sr*10] = mix_data

scaled = np.int16(b_data/np.max(np.abs(b_data)) * 32767) write('voice2.wav', sr, scaled) os.system("start voice2.wav")