Add prompts to video generation and final message in listening audios.

helper/speech_to_text_helper.py

@@ -36,6 +36,15 @@ def text_to_speech(text: str, file_name: str):
             VoiceId=voice
         )
         audio_segments.append(tts_response['AudioStream'].read())
+
+    # Add finish message
+    audio_segments.append(client.synthesize_speech(
+        Engine="neural",
+        Text="This audio recording, for the listening exercise, has finished.",
+        OutputFormat="mp3",
+        VoiceId="Stephen"
+    )['AudioStream'].read())
+
     # Combine the audio segments into a single audio file
     combined_audio = b"".join(audio_segments)
     # Save the combined audio to a single file
@@ -63,6 +72,15 @@ def conversation_text_to_speech(conversation: list, file_name: str):
             VoiceId=segment["voice"]
         )
         audio_segments.append(response['AudioStream'].read())
+
+    # Add finish message
+    audio_segments.append(client.synthesize_speech(
+        Engine="neural",
+        Text="This audio recording, for the listening exercise, has finished.",
+        OutputFormat="mp3",
+        VoiceId="Stephen"
+    )['AudioStream'].read())
+
     # Combine the audio segments into a single audio file
     combined_audio = b"".join(audio_segments)
     # Save the combined audio to a single file