PowerPoint Narration Tool

A web application that allows users to upload PowerPoint presentations and audio files to create narrated presentations.

Features

• Upload PowerPoint (.pptx) files
• Upload audio files (.mp3, .m4a, .wav)
• Automatically embed audio files into slides based on filename (e.g., "1.mp3" goes to slide 1)
• Download the narrated PowerPoint file

Deployment on Vercel

This application is configured for deployment on Vercel's serverless platform.

Prerequisites

• Vercel account
• Python 3.11

Deployment Steps

1. Install Vercel CLI:

   npm i -g vercel

2. Deploy to Vercel:

   vercel

3. Follow the prompts to link your project and deploy.

Troubleshooting

If you encounter a "FUNCTION_INVOCATION_FAILED" error:

1. Check the Vercel function logs in the dashboard
2. Ensure all dependencies are listed in requirements.txt
3. Verify the file size limits (max 50MB)
4. Check that the static and templates folders are in the api directory

Local Development

1. Install dependencies:

   pip install -r requirements.txt

2. Run the application:

   python api/app.py

3. Open http://localhost:5000 in your browser

File Structure

├── api/
│   ├── app.py          # Main Flask application
│   ├── templates/      # HTML templates
│   └── static/         # Static files (CSS, images)
├── requirements.txt    # Python dependencies
├── vercel.json        # Vercel configuration
└── README.md          # This file

Usage

1. Upload your PowerPoint presentation
2. Upload audio files named according to slide numbers (e.g., "1.mp3", "2.wav")
3. Click "Submit" to process the files
4. Download your narrated PowerPoint

Notes

• Audio files should be named with the slide number (e.g., "1.mp3" for slide 1)
• Only .pptx, .mp3, .m4a, and .wav files are supported
• Maximum file size is 50MB
• Files are processed in memory for serverless compatibility