How to integrate spoken audio into LangChain.js using AssemblyAI

In this tutorial, you will learn how to create an application that answers questions about audio files using LangChain.js and AssemblyAI's integration with LangChain. The tutorial covers setting up a TypeScript Node.js project, configuring environment variables for OpenAI API key and AssemblyAI API key, adding LangChain.js, creating a Q&A chain, loading an audio transcript, and introducing LeMUR, a pre-built solution for performing tasks over large amounts of long audio files using LLMs.

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