Finally got the memory thing under contril, I'm pretty sure.

src/tts_engine.py

@@ -59,7 +59,8 @@ class TtsEngine:
 
         # Safety: Limit text size to prevent excessive memory usage
         # ~10,000 chars = ~10-15 minutes of audio at normal reading speed
-        MAX_TEXT_LENGTH = 10000
+        # Reduced to 5000 to lower memory usage per paragraph
+        MAX_TEXT_LENGTH = 5000
         if len(text) > MAX_TEXT_LENGTH:
             print(f"Warning: Paragraph too long ({len(text)} chars), truncating to {MAX_TEXT_LENGTH}")
             text = text[:MAX_TEXT_LENGTH] + "..."