CompatibilityOnly available on Node.js.
This covers how to load document objects from an audio file using the Open AI Whisper API.

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Setup

To run this loader you will need to create an account on the Open AI and obtain an auth key from the https://platform.openai.com/account page.

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Usage

Once auth key is configured, you can use the loader to create transcriptions and then convert them into a Document. 
import { OpenAIWhisperAudio } from "@langchain/community/document_loaders/fs/openai_whisper_audio";

const filePath = "./src/document_loaders/example_data/test.mp3";

const loader = new OpenAIWhisperAudio(filePath, {
  transcriptionCreateParams: {
    language: "en",
  },
});

const docs = await loader.load();

console.log(docs);