Add device method to BiCodecTokenizer

sparktts/models/audio_tokenizer.py

@@ -53,6 +53,11 @@ class BiCodecTokenizer:
             f"{self.model_dir}/wav2vec2-large-xlsr-53"
         ).to(self.device)
         self.feature_extractor.config.output_hidden_states = True
+        
+    def to(self, device: torch.device):
+        self.device = device
+        self.model.to(self.device)
+        self.feature_extractor.to(self.device)
 
     def get_ref_clip(self, wav: np.ndarray) -> np.ndarray:
         """Get reference audio clip for speaker embedding."""