Convert documents to podcast audio with GPT-4o & OpenAI TTS

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. What it does This n8n workflow delivers a comprehensive, automated solution for transforming written content into dynamic, multi-speaker podcast audio. It automatically detects new documents in Google Drive, leverages advanced AI to craft a detailed podcast script, generates individual audio segments for each speaker, uploads these segments to a dedicated file storage, seamlessly concatenates them into a full episode, and finally, saves the completed audio back into Google Drive. This end-to-end pipeline significantly streamlines your content-to-audio production process. How it works The work

Help me set up the n8n workflow "Convert documents to podcast audio with GPT-4o & OpenAI TTS" (https://n8n.io/workflows/6138). It uses: HTTP Request, Google Drive, Basic LLM Chain, OpenAI Chat Model, Structured Output Parser, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.