diff --git a/dac/model/dac.py b/dac/model/dac.py
index eb754b2..5d2084e 100644
--- a/dac/model/dac.py
+++ b/dac/model/dac.py
@@ -102,6 +102,7 @@ def __init__(self, input_dim: int = 16, output_dim: int = 8, stride: int = 1):
                 kernel_size=2 * stride,
                 stride=stride,
                 padding=math.ceil(stride / 2),
+                output_padding=0 if stride % 2 == 0 else 1
             ),
             ResidualUnit(output_dim, dilation=1),
             ResidualUnit(output_dim, dilation=3),
@@ -195,10 +196,9 @@ def __init__(
 
         self.delay = self.get_delay()
 
-    def preprocess(self, audio_data, sample_rate):
-        if sample_rate is None:
-            sample_rate = self.sample_rate
-        assert sample_rate == self.sample_rate
+    def preprocess(self, audio_data, sample_rate=None):
+        if sample_rate:
+            assert sample_rate == self.sample_rate, f'Expected sample rate is {self.sample_rate}'
 
         length = audio_data.shape[-1]
         right_pad = math.ceil(length / self.hop_length) * self.hop_length - length
diff --git a/setup.py b/setup.py
index b681d97..9b4fa0f 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name="descript-audio-codec",
-    version="1.0.0",
+    version="1.0.1",
     classifiers=[
         "Intended Audience :: Developers",
         "Natural Language :: English",