make the first inference after a restart run much faster

app.py

@@ -62,6 +62,8 @@ class TTS_Interface:
             "Portuguese Speaker's Voice": "reference_audios/portuguese.flac",
             "Italian Speaker's Voice"   : "reference_audios/italian.flac",
             }
+        self.model.set_utterance_embedding(self.speaker_path_lookup[self.current_speaker])
+
 
     def read(self, prompt, language, accent, speaker):
         language = language.split()[0]