Update app.py

app.py

@@ -56,7 +56,7 @@ async def init_tts():
     logger.info(f"[{_ts()}] [STARTUP] Initializing TTS...")
     t0 = _time.time()
     try:
-        import tts as tts_module
+        import orpheus_tts as tts_module
         logger.info(f"[{_ts()}] [STARTUP] TTS module imported OK")
         tts_module.initialize()
         logger.info(f"[{_ts()}] [STARTUP] ✓ TTS ready in {_time.time()-t0:.2f}s")
@@ -74,7 +74,7 @@ async def generate_greeting():
     t0 = _time.time()
 
     try:
-        from tts import generate_audio
+        from orpheus_tts import generate_audio
         t_tts = _time.time()
         audio_path = generate_audio(greeting_text)
         t_tts_done = _time.time()
@@ -186,7 +186,7 @@ async def download_videos():
     try:
         api = HfApi()
         files = api.list_repo_files(repo_id=REPO_ID, repo_type="space")
-        vids = [f for f in files if f.startswith("app/p2/") and f.endswith((".mp4",".webm",".mkv",".mov"))]
+        vids = [f for f in files if f.startswith("app/videos/") and f.endswith((".mp4",".webm",".mkv",".mov"))]
         logger.info(f"Found {len(vids)} video files")
         for vf in vids:
             dest = VIDEOS_DIR / Path(vf).name
@@ -242,8 +242,9 @@ def split_sentences(text):
     parts = re.split(r'(?<=[.!?])\s+', text)
     parts = [s.strip() for s in parts if s.strip()]
 
-    # Merge short sentences together (minimum ~8 words per chunk)
-    MIN_WORDS = 8
+    # Merge sentences into longer chunks (minimum ~25 words per chunk)
+    # Voice cloning works much better with longer text context
+    MIN_WORDS = 25
     merged = []
     buffer = ""
     for p in parts:
@@ -377,7 +378,7 @@ def _generate_chunk(sentence, idx, total):
     # Both TTS (Orpheus) and FLOAT use GPU — serialize with lock
     with _gpu_lock:
         # 1. TTS (local Orpheus - GPU)
-        from tts import generate_audio
+        from orpheus_tts import generate_audio
         t_tts_start = _time.time()
         audio_path = generate_audio(sentence)
         t_tts_end = _time.time()