Add new voices to OpenAITTSService

examples/foundational/07g-interruptible-openai.py

@@ -59,7 +59,7 @@ async def main():
             prompt="Expect words related to dogs, such as breed names.",
         )
 
-        tts = OpenAITTSService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o-mini-tts-latest")
+        tts = OpenAITTSService(api_key=os.getenv("OPENAI_API_KEY"), voice="ballad")
 
         llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")
 

src/pipecat/services/openai/tts.py

@@ -19,14 +19,20 @@ from pipecat.frames.frames import (
 )
 from pipecat.services.tts_service import TTSService
 
-ValidVoice = Literal["alloy", "echo", "fable", "onyx", "nova", "shimmer"]
+ValidVoice = Literal[
+    "alloy", "ash", "ballad", "coral", "echo", "fable", "onyx", "nova", "sage", "shimmer"
+]
 
 VALID_VOICES: Dict[str, ValidVoice] = {
     "alloy": "alloy",
+    "ash": "ash",
+    "ballad": "ballad",
+    "coral": "coral",
     "echo": "echo",
     "fable": "fable",
     "onyx": "onyx",
     "nova": "nova",
+    "sage": "sage",
     "shimmer": "shimmer",
 }