converting_mp3_wav.py

import glob
import pydub
import pandas as pd
import glob

def con_mp3_wav(file):

  sound = pydub.AudioSegment.from_mp3(file) ## reading the file mp3 file
  sound.export(file[:-4]+".wav", format="wav")## exporting the wav fiel to a spesific folder. 
                                              ## file[:-4] removes the .mp3 from the file name. 

  dic['id'].append(int(file[:-4]))
  dic['frame_rate'].append(sound.frame_rate)
  dic['lenght'].append(len(sound))
  
if __name__ == '__main__':
    dic = {'id': [], 'frame_rate':[] , 'lenght':[]} ## making a dictionary for metafiles
    
    files = glob.glob("*.mp3") ## reading all the files name to in to a list
    
    for file in files:
      con_mp3_wav(file)
      
    df = pd.DataFrame.from_dict(dic) ## saveing the file name, frame rate and lenght to a datafrem
    df.to_csv("metadata.csv") ## savign the data frame to a csv file