diff --git a/autotranscript/audio.py b/autotranscript/audio.py
index 35b6f99..ea11fe8 100644
--- a/autotranscript/audio.py
+++ b/autotranscript/audio.py
@@ -9,13 +9,28 @@ class AudioProcessor:
     Audio Processor using PyTorchaudio instead of PyDub
     """
     
-    def __init__(self, waveform: torch.Tensor, sr : torch.Tensor) -> None:
+    def __init__(self, waveform: torch.Tensor, sr : torch.Tensor,
+                 *args, **kwargs) -> None:
         """
         Initialise audio processor
         :param waveform: waveform
         :param sr: sample rate
+        :param args: additional arguments
+        :param kwargs: additional keyword arguments
+            example:
+                - device: device to use for processing
+                          if cuda is available, cuda is used 
         """
-        self.waveform = waveform
+        
+        if "device" in kwargs:
+            device = kwargs["device"]
+        else:
+            if torch.cuda.is_available():
+                device = "cuda"
+            else:
+                device = "cpu"
+                
+        self.waveform = waveform.to(device)
         self.sr = sr
         
         if not isinstance(self.sr, int):