added various files

app.py

@@ -39,7 +39,7 @@ async def on_chat_start():
         if cl.user_session.get("transcription_counter") is None:
             cl.user_session.set("transcription_counter", 0)
         
-        # Display welcome message
+        # Full welcome message
         welcome_message = """
 ## Welcome to the **ATC Transcription Assistant**
 
@@ -51,6 +51,24 @@ This tool transcribes **Air Traffic Control (ATC)** audio using OpenAI’s **Whi
 
 ---
 
+### Performance
+
+- **Fine-tuned Whisper medium.en WER**: 15.08%
+- **Non fine-tuned Whisper medium.en WER**: 94.59%
+- **Relative improvement**: 84.06%
+
+While the fine-tuned model performs much better, **we cannot guarantee the accuracy of the transcriptions**. For more details on the fine-tuning process, see the [blog post](https://jacktol.net/posts/fine-tuning_whisper_on_atc_data), or check out the [project repository](https://github.com/jack-tol/fine-tuning-whisper-on-atc-data). Feel free to contact me at [[email protected]](mailto:[email protected]).
+
+---
+
+### How to Use
+
+1. **Upload an ATC audio file**: Upload an audio file in **MP3** or **WAV** format containing ATC communications.
+2. **View the transcription**: The tool will transcribe the audio and display the text on the screen.
+3. **Transcribe another audio**: Click **New Chat** in the top-right to start a new transcription.
+
+---
+
 To get started, upload the audio below.
 """
         await cl.Message(content=welcome_message).send()