diff --git a/tabs/inference/inference.py b/tabs/inference/inference.py
index e048d780..3969b799 100644
--- a/tabs/inference/inference.py
+++ b/tabs/inference/inference.py
@@ -39,7 +39,10 @@
     os.path.join(root, file)
     for root, _, files in os.walk(model_root, topdown=False)
     for file in files
-    if file.endswith((".pth", ".onnx"))
+    if (
+        file.endswith((".pth", ".onnx"))
+        and not (file.startswith("G_") or file.startswith("D_"))
+    )
 ]
 
 indexes_list = [
@@ -73,7 +76,10 @@ def change_choices():
         os.path.join(root, file)
         for root, _, files in os.walk(model_root, topdown=False)
         for file in files
-        if file.endswith((".pth", ".onnx"))
+        if (
+            file.endswith((".pth", ".onnx"))
+            and not (file.startswith("G_") or file.startswith("D_"))
+        )
     ]
 
     indexes_list = [
@@ -262,7 +268,14 @@ def inference_tab():
                     value=False,
                     interactive=True,
                 )
-                pitch = gr.Slider(-12, 12, 0, label=i18n("Pitch"))
+                pitch = gr.Slider(
+                    minimum=-12,
+                    maximum=12,
+                    step=1,
+                    label=i18n("Pitch"),
+                    value=0,
+                    interactive=True,
+                )
                 filter_radius = gr.Slider(
                     minimum=0,
                     maximum=7,
diff --git a/tabs/tts/tts.py b/tabs/tts/tts.py
index 7c70fecd..749e488e 100644
--- a/tabs/tts/tts.py
+++ b/tabs/tts/tts.py
@@ -39,7 +39,10 @@
     os.path.join(root, file)
     for root, _, files in os.walk(model_root, topdown=False)
     for file in files
-    if file.endswith((".pth", ".onnx"))
+    if (
+        file.endswith((".pth", ".onnx"))
+        and not (file.startswith("G_") or file.startswith("D_"))
+    )
 ]
 
 indexes_list = [
@@ -64,7 +67,10 @@ def change_choices():
         os.path.join(root, file)
         for root, _, files in os.walk(model_root, topdown=False)
         for file in files
-        if file.endswith((".pth", ".onnx"))
+        if (
+            file.endswith((".pth", ".onnx"))
+            and not (file.startswith("G_") or file.startswith("D_"))
+        )
     ]
 
     indexes_list = [
@@ -251,7 +257,14 @@ def tts_tab():
                 interactive=True,
             )
 
-            pitch = gr.Slider(-12, 12, 0, label=i18n("Pitch"))
+            pitch = gr.Slider(
+                minimum=-12,
+                maximum=12,
+                step=1,
+                label=i18n("Pitch"),
+                value=0,
+                interactive=True,
+            )
             filter_radius = gr.Slider(
                 minimum=0,
                 maximum=7,