random_crop.py

import os 
import librosa
import random

for files in os.listdir('./Dataset'):
    count = 21
    for comm in os.listdir('./Dataset/'+str(files)):
        sound = AudioSegment.from_file('./Dataset/'+str(files)+'/'+str(comm))
        halfway_point = len(sound) // 2 
        for _ in range(10):
            val = random.randint(1, halfway_point)
            crop_audio = sound[val:val+halfway_point]
            crop_audio.export('test.wav',format='wav')
            data, sf = librosa.load('test.wav')
            new_crop = np.pad(data,(0,22026),'constant') # Pad data so that the duration matches (2 Sec)
            librosa.output.write_wav('./Dataset/'+str(files)+'/'+str(count)+'.wav',new_crop,sf)
            count += 1

Hey 👋