Convert PDF documents to AI podcasts with Google Gemini and text-to-speech
# Convert PDF documents to AI-generated podcasts with Google Gemini and Text-to-Speech
Transform any PDF document into an engaging, natural-sounding podcast using Google's Gemini AI and advanced Text-to-Speech technology. This automated workflow extracts text content, generates conversational scripts, and produces high-quality audio files.
## Who is this for?
This workflow template is perfect for **content creators**, **educators**, **researchers**, and **marketing professionals** who want to repurpose written content into audio format. Ideal for creating podcast episodes, educational content, or making documents more accessible.
## What problem does this solve?
Converting written documents to engaging audio content manually is time-consuming and requires scriptwriting skills. This workflow automates the entire process, turning static PDFs into dynamic, conversational podcasts that sound natural and engaging.
## What this workflow does
1. **Extracts text** from uploaded PDF documents
2. **Generates podcast script** using Google Gemini AI with conversational tone
3. **Converts script to speech** using Google's advanced TTS with customizable voices
4. **Processes audio** into properly formatted WAV files
5. **Saves final podcast** ready for distribution
## Setup
1. **Obtain API credentials:**
- Get Google Gemini API key from [AI Studio](https://aistudio.google.com/)
- Configure credentials in n8n as "Google Gemini(PaLM) Api account"
2. **Configure voice settings:**
- Choose from available voices: Kore (professional), Aoede (conversational), Laomedeia (energetic)
- Customize script generation prompts if needed
3. **Test the workflow:**
- Upload a sample PDF file
- Verify audio output quality
- Adjust voice settings as preferred
## How to customize this workflow
- **Modify script style:** Edit the prompt in the "Generate Podcast Script" node to change tone, length, or format
- **Change voice:** Update the voice name in "Prepare TTS Request" node
- **Add preprocessing:** Insert text cleaning nodes before script generation
- **Integrate with storage:** Connect to Google Drive, Dropbox, or other storage services
- **Add notifications:** Include Slack or email notifications when podcasts are ready
**Note:** This template requires Google Gemini API access and works best with text-based PDF files under 10MB.
