Update app.py

app.py

@@ -290,7 +290,8 @@ Requirements:
 - Natural conversation style
 - The podcast should be long.
 - Do not use names for the speakers.
-- The podcast should be professional, in-depth, interesting, lively, and engaging, and hook the listener from the start.
+- The Podcast starts with : welcome to our todays podcast ! 
+- The podcast should be professional, in-depth, interesting, lively, witty and engaging, and hook the listener from the start.
 - The input text might be disorganized or unformatted, originating from sources like PDFs or text files. Ignore any formatting inconsistencies or irrelevant details; your task is to distill the essential points, identify key definitions, and highlight intriguing facts that would be suitable for discussion in a podcast.
 - The script must be in JSON format.
 - {language_instruction}
@@ -366,7 +367,7 @@ Example JSON structure:
             add_log(f"🔍 Traceback: {traceback.format_exc()}")
             
             # Return robust fallback
-            return self.create_fallback_podcast(prompt or "General Discussion")
+            return self.create_fallback_podcast("Welcome to our podcas")
 
     async def tts_generate(self, text: str, speaker: int, speaker1: str, speaker2: str) -> str:
         """Improved TTS generation with better error handling - CRITICAL FIX #7"""
@@ -428,7 +429,7 @@ Example JSON structure:
         
         try:
             combined_audio = AudioSegment.empty()
-            silence_padding = AudioSegment.silent(duration=800)  # 800ms silence
+            silence_padding = AudioSegment.silent(duration=400)  # 800ms silence
             
             for i, audio_file in enumerate(audio_files):
                 try: