Update librechat.yaml

librechat.yaml

@@ -118,6 +118,11 @@ endpoints:
           - accounts/fireworks/models/deepseek-r1
 
 speech:
+  speechTab:
+    speechToText:
+      engineSTT: "external"
+    textToSpeech:
+      engineTTS: "external"
   stt:
     openai:
       url: "https://api.groq.com/openai/v1/audio/transcriptions"
@@ -128,4 +133,4 @@ speech:
       url: "https://guru-25-piper.hf.space/v1/audio/speech"
       apiKey: "${TTS_API_KEY}"
       model: "tts-1"
-      voices: ["alloy", "echo", "fable", "onyx", "nova", "shimmer"]
+      voices: ["nova"]