added random cut logic

utils.py

@@ -142,6 +142,13 @@ def random_cut_length(audio_data, max_length, sample_rate):
     else:
       return audio_data, max_length
 
+        
+    length_picked = random.choice(options)
+    start_point = np.random.randint(0, max_length - length_picked)
+    end_point = start_point + length_picked
+    audio_data_cut = audio_data[start_point*sample_rate : end_point*sample_rate]
+    return audio_data_cut, length_picked
+
 
 def generate_songs(state, randomized = True):
     idx= pick_and_remove_one()