Update README.md

README.md

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+---
+title: AI Voice Assistant
+emoji: 🎙️
+colorFrom: purple
+colorTo: pink
+sdk: gradio
+sdk_version: "3.35.2"  # Replace this with your installed Gradio version
+app_file: app.py
+pinned: false
+---
+
 # AI Voice Assistant
 
 This project implements an AI-powered voice assistant using Gradio, Hugging Face models, and other machine learning libraries. The assistant can transcribe audio, generate conversational responses, and respond via text and speech.
 
 ## Features
-- Speech-to-Text (STT) using Whisper
-- Natural Language Understanding (NLU) with Hugging Face Transformers
-- Text-to-Speech (TTS) using gTTS
+- **Speech-to-Text (STT):** Converts speech input into text using Whisper.
+- **Natural Language Understanding (NLU):** Processes text input and generates responses using a conversational AI model.
+- **Text-to-Speech (TTS):** Converts text responses into voice output using gTTS.
 
 ## Setup Instructions
 1. Clone the repository: