diff --git a/src/diffusers/pipelines/pipeline_grad_tts.py b/src/diffusers/pipelines/pipeline_grad_tts.py
index 2d8f6946..c32d77e7 100644
--- a/src/diffusers/pipelines/pipeline_grad_tts.py
+++ b/src/diffusers/pipelines/pipeline_grad_tts.py
@@ -7,6 +7,9 @@ from torch import nn
 
 from diffusers.configuration_utils import ConfigMixin
 from diffusers.modeling_utils import ModelMixin
+from diffusers import DiffusionPipeline
+
+from .grad_tts_utils import text_to_sequence
 
 
 def sequence_mask(length, max_length=None):
@@ -383,3 +386,18 @@ class TextEncoder(ModelMixin, ConfigMixin):
         logw = self.proj_w(x_dp, x_mask)
 
         return mu, logw, x_mask
+
+
+class GradTTS(DiffusionPipeline):
+    def __init__(self, unet, noise_scheduler):
+        super().__init__()
+        noise_scheduler = noise_scheduler.set_format("pt")
+        self.register_modules(diffwave=unet, noise_scheduler=noise_scheduler)
+    
+    @torch.no_grad()
+    def __call__(self, text, speaker_id, num_inference_steps, generator, torch_device=None):
+        if torch_device is None:
+            torch_device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
+        pass
+        
+        
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