update groq tts models, voices, and defaults (#4422)

Author: tinalenguyen

livekit-plugins/livekit-plugins-groq/livekit/plugins/groq/models.py

@@ -24,34 +24,21 @@
 ]
 
 TTSModels = Literal[
-    "playai-tts",
-    "playai-tts-arabic",
+    "canopylabs/orpheus-v1-english",
+    "canopylabs/orpheus-arabic-saudi",
 ]
 
 TTSVoices = Literal[
     # english voices
-    "Arista-PlayAI",
-    "Atlas-PlayAI",
-    "Basil-PlayAI",
-    "Briggs-PlayAI",
-    "Calum-PlayAI",
-    "Celeste-PlayAI",
-    "Cheyenne-PlayAI",
-    "Chip-PlayAI",
-    "Cillian-PlayAI",
-    "Deedee-PlayAI",
-    "Fritz-PlayAI",
-    "Gail-PlayAI",
-    "Indigo-PlayAI",
-    "Mamaw-PlayAI",
-    "Mason-PlayAI",
-    "Mikail-PlayAI",
-    "Mitch-PlayAI",
-    "Quinn-PlayAI",
-    "Thunder-PlayAI",
+    "autumn",
+    "diana",
+    "hannah",
+    "austin",
+    "daniel",
+    "troy",
     # arabic voices
-    "Nasser-PlayAI",
-    "Khalid-PlayAI",
-    "Amira-PlayAI",
-    "Ahmad-PlayAI",
+    "fahad",
+    "sultan",
+    "lulwa",
+    "noura",
 ]

livekit-plugins/livekit-plugins-groq/livekit/plugins/groq/tts.py

@@ -56,8 +56,8 @@ def __init__(
         self,
         *,
         base_url: NotGivenOr[str] = NOT_GIVEN,
-        model: TTSModels | str = "playai-tts",
-        voice: TTSVoices | str = "Arista-PlayAI",
+        model: TTSModels | str = "canopylabs/orpheus-v1-english",
+        voice: TTSVoices | str = "autumn",
         api_key: NotGivenOr[str] = NOT_GIVEN,
         http_session: aiohttp.ClientSession | None = None,
     ) -> None:
@@ -68,8 +68,8 @@ def __init__(
         environmental variable.
 
         Args:
-            model (SpeechModels | str, optional): Model to use. Default is "playai-tts".
-            voice (SpeechVoices | str, optional): Voice to use. Default is "Autumn-PlayAI".
+            model (SpeechModels | str, optional): Model to use. Default is "canopylabs/orpheus-v1-english".
+            voice (SpeechVoices | str, optional): Voice to use. Default is "autumn".
             api_key (str | None, optional): API key to use. Default is None.
         """