diff --git a/hparams.py b/hparams.py
index ff846d66..6e9bdc9b 100644
--- a/hparams.py
+++ b/hparams.py
@@ -52,7 +52,7 @@
 voc_total_steps = 800_000           # Total number of training steps
 voc_test_samples = 50               # How many unseen samples to put aside for testing
 voc_pad = 2                         # this will pad the input so that the resnet can 'see' wider than input length
-voc_pad_val = -10                   # this is the minimum of mel features
+voc_pad_val = -12                   # this is the minimum of mel features
 voc_seq_len = hop_length * 5        # must be a multiple of hop_length
 
 # Generating / Synthesizing
diff --git a/utils/dataset.py b/utils/dataset.py
index bac7fbca..2acd197c 100644
--- a/utils/dataset.py
+++ b/utils/dataset.py
@@ -15,7 +15,7 @@
 
 
 class VocoderDataset(Dataset) :
-    def __init__(self, ids, path, train_gta=False) :
+    def __init__(self, ids, path, train_gta=True) :
         self.metadata = ids
         self.mel_path = f'{path}gta/' if train_gta else f'{path}mel/'
         self.quant_path = f'{path}quant/'
@@ -69,12 +69,14 @@ def collate_vocoder(batch):
     mels = [x[0][:, mel_offsets[i]:mel_offsets[i] + mel_win] for i, x in enumerate(batch)]
     labels = [x[1][sig_offsets[i]:sig_offsets[i] + hp.voc_seq_len + 1] for i, x in enumerate(batch)]
 
+    mels = np.stack(mels)
+    labels = np.stack(labels)
+
     bits = 16 if hp.voc_mode == 'MOL' else hp.bits
     if hp.mu_law :
         labels = encode_mu_law(labels, 2 ** bits)
-
-    mels = np.stack(mels).astype(np.float32)
-    labels = np.stack(labels).astype(np.int64)
+    else:
+        labels = float_2_label(labels, bits)
 
     mels = torch.tensor(mels)
     labels = torch.tensor(labels).long()