# RealtimeSTT Low-Latency Speech-to-Text Python Library

> RealtimeSTT is a Python library for real-time speech-to-text with advanced voice activity detection, wake word activation, and instant transcription. It combines WebRTC VAD, Silero VAD, and Faster Whisper for production-grade voice input in agent applications.

- Skill: `agentskillexchange/realtimestt-low-latency-speech-to-text-python-library` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/realtimestt-low-latency-speech-to-text-python-library`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/realtimestt-low-latency-speech-to-text-python-library/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/realtimestt-low-latency-speech-to-text-python-library

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# RealtimeSTT Low-Latency Speech-to-Text Python Library

RealtimeSTT is a Python library for real-time speech-to-text with advanced voice activity detection, wake word activation, and instant transcription. It combines WebRTC VAD, Silero VAD, and Faster Whisper for production-grade voice input in agent applications.

## Installation

Use the upstream install or setup path that matches your environment:
- pip install "RealtimeSTT[faster-whisper]"
- brew install portaudio
- python -m pip install -r example_fastapi_server/requirements.txt

Requirements and caveats from upstream:
- RealtimeSTT is a Python speech-to-text library for applications that need
- python
- python example_fastapi_server/server.py --host 0.0.0.0 --port 8010

Basic usage or getting-started notes:
- bash
- On Linux, install PortAudio headers before installing the package:
- sudo apt-get update

- Source: https://github.com/KoljaB/RealtimeSTT
- Extracted from upstream docs: https://raw.githubusercontent.com/KoljaB/RealtimeSTT/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/realtimestt-low-latency-speech-to-text-python/)