The function loads and resamples the file to 16KhZ. Then store it to the resampled folder.

Load_Resample_Function.py

#Resampling function
def resample(file, sr): 
    print("\nResampling of " + file + " in progress")
    path = path_converted_audio + file
    audio, sr = librosa.load(path, sr=sr)                           #File load and resampling
    length = librosa.get_duration(audio, sr)                        #File lenght
    print("File " + file + " is",datetime.timedelta(seconds=round(length,0)),"sec. long")
    sf.write(os.path.join(resampled_folder,file), audio, sr)        #(resampled_folder + file, audio, sr)
    resampled_path = os.path.join(resampled_folder,file)            #resampled_folder + file
    print(file + " was resampled to " + str(sr) + "kHz")
    return resampled_path, length