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README.md

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-# 🎤 Real-time Microphone Streaming Server (Python/Gradio)
-
-A robust Python backend using Gradio for real-time audio streaming from Android devices, designed for Hugging Face Spaces deployment.
-
-## 🚀 Features
-
-- **Gradio Web Interface**: Beautiful, real-time dashboard showing connected devices
-- **WebSocket Support**: Stable WebSocket connections for Android devices
-- **Device Management**: Real-time device registration, monitoring, and control
-- **Hugging Face Ready**: Optimized for Hugging Face Spaces deployment
-- **Audio Processing**: Handles PCM audio data with base64 encoding
-- **Auto-refresh**: Live updates of device status and streaming data
-
-## 📁 Files
-
-- `app.py` - Main Gradio application with WebSocket server
-- `audio_utils.py` - Audio processing utilities and device management
-- `requirements.txt` - Python dependencies
-- `README.md` - This file
-
-## 🏗️ Deployment on Hugging Face Spaces
-
-### Step 1: Create a New Space
-
-1. Go to [Hugging Face Spaces](https://huggingface.co/spaces)
-2. Click "Create new Space"
-3. Choose **Gradio** as the SDK
-4. Set your space name (e.g., `realtime-mic-streaming`)
-5. Make it **Public** or **Private** as needed
-
-### Step 2: Upload Files
-
-Upload these files to your Hugging Face Space:
-- `app.py`
-- `audio_utils.py` 
-- `requirements.txt`
-- `README.md`
-
-### Step 3: Configure Android App
-
-Update your Android app to connect to:
-```
-wss://YOUR-USERNAME-SPACE-NAME.hf.space:7861
-```
-
-For example: `wss://johndoe-realtime-mic-streaming.hf.space:7861`
-
-## 🔧 Local Development
-
-To run locally:
-
-```bash
-pip install -r requirements.txt
-python app.py
-```
-
-- Gradio interface: `http://localhost:7860`
-- WebSocket server: `ws://localhost:7861`
-
-## 📱 Android App Configuration
-
-Your Android app should connect to the WebSocket URL and send messages in this format:
-
-### Device Registration
-```json
-{
-  "type": "register_device",
-  "device_id": "unique-device-id",
-  "device_name": "My Android Phone",
-  "device_model": "Samsung Galaxy S21"
-}
-```
-
-### Audio Streaming
-```json
-{
-  "type": "audio_chunk",
-  "timestamp": 1640995200000,
-  "data": {
-    "audio_data": "base64-encoded-pcm-audio-data",
-    "sample_rate": 16000,
-    "channels": 1,
-    "format": "pcm_16"
-  }
-}
-```
-
-### Heartbeat
-```json
-{
-  "type": "ping"
-}
-```
-
-## 🎛️ Web Interface
-
-The Gradio interface provides:
-
-- **Real-time Statistics**: Connected devices, streaming devices, data usage
-- **Device List**: Table showing all connected devices with status
-- **Stream Control**: Start/stop streaming buttons for individual devices
-- **Audio Monitor**: Recent audio chunk activity
-- **Connection Info**: WebSocket URL for Android app configuration
-
-## 🔒 Security Notes
-
-- This is designed for development/demo use
-- For production, add authentication and SSL/TLS
-- Consider rate limiting for WebSocket connections
-- Validate all incoming audio data
-
-## 🐛 Troubleshooting
-
-### WebSocket Connection Issues
-- Check firewall settings
-- Ensure port 7861 is accessible
-- Verify WebSocket URL format
-
-### Audio Data Issues
-- Ensure base64 encoding is correct
-- Check audio format (PCM 16-bit)
-- Verify sample rate matches expectations
-
-### Hugging Face Deployment Issues
-- Check logs in the Space's "App" tab
-- Verify all dependencies are in requirements.txt
-- Ensure app.py is the main entry point