readme update

README.md

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 # batch-speech-utils
 Non-realtime speech-to-text utilities for transcribing calls after they have completed
+
+
+
+## Audio Processing Library
+
+This library provides tools for audio transcription, redaction, and analysis, utilizing the Deepgram API. It's designed to handle sensitive information in audio files by redacting it appropriately before any further processing or analysis.
+
+### Prerequisites
+
+- **Node.js**: Ensure Node.js is installed on your machine.
+- **Deepgram API Key**: You need a valid API key from Deepgram.
+
+### Installation
+
+Clone the repository and install the dependencies:
+
+```bash
+git clone [your-repo-url]
+cd [your-repo-directory]
+npm install
+```
+### Configuration
+Create a .env file in the project root and define the following variables:
+
+```bash
+DEEPGRAM_API_KEY=your_deepgram_api_key_here
+AUDIO_DIR=path_to_your_audio_files
+```
+
+