A powerful automation tool for replacing video audio with high-quality AI voiceovers while maintaining precise subtitle timing.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install video-audio-replace
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install video-audio-replace using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Video Audio Replace?
Video Audio Replace is a specialized skill designed for developers and content creators needing seamless video dubbing. It leverages industry-leading technologies like Whisper for transcription and ElevenLabs or Edge TTS for speech synthesis. By analyzing SRT files, it aligns AI-generated voices to the original video timing, ensuring that the dialogue matches the on-screen action perfectly. This Openclaw Skills utility handles the complex logic of speed adjustment and silence padding, making professional-grade video localization accessible via a simple CLI interface.
Video Audio Replace Use Cases
- Localizing content by dubbing videos into multiple languages using AI voices.
- Automating voiceovers for accessibility or training videos from subtitle files.
- Updating outdated audio tracks in videos without re-recording human talent.
- Generating synchronized audio descriptions for visually impaired audiences using Openclaw Skills.
How Video Audio Replace Works
- The skill extracts the original audio and analyzes the provided SRT file for timing data.
- It optionally uses Whisper to generate subtitles if none are provided to the Openclaw Skills workflow.
- The tool calls the selected TTS engine (ElevenLabs or Edge TTS) for each subtitle segment.
- It automatically adjusts the speech rate within a 0.85x to 1.15x range to fit the segment duration.
- Silence padding is inserted to maintain the exact timing gaps from the original video.
- The processed audio segments are merged into a single high-quality track.
- The final track is muxed back into the video, replacing the original audio source.
Video Audio Replace Setup
To begin using this skill within the Openclaw Skills ecosystem, ensure you have ffmpeg installed on your system. Install dependencies and configure your environment:
# Install faster-whisper and srt for subtitle generation
pip install faster-whisper srt
# Set ElevenLabs API Key (if using ElevenLabs)
export ELEVENLABS_API_KEY='your_api_key_here'
Basic command execution for AI dubbing:
video-audio-replace --video input.mp4 --srt subtitles.srt --output output.mp4 --voice "Liam"
Video Audio Replace Data Schema & Taxonomy
The skill manages various data types to ensure high-fidelity audio replacement. This Openclaw Skills component organizes data as follows:
| Data Component | Format | Description |
|---|---|---|
| Input Video | .mp4 | Source file containing the visual track and original audio. |
| Subtitles | .srt | Time-stamped text used to align TTS segments. |
| Intermediate Audio | .wav | Temporary audio segments generated per subtitle line. |
| Voice Metadata | JSON/String | Configuration for voice ID, engine selection, and speed ranges. |
| Output Video | .mp4 | The final product with merged AI-generated audio. |
Video Audio Replace Advanced Features
- Support for multiple TTS engines including ElevenLabs for premium quality and Edge TTS for free usage.
- Dynamic speed adjustment (0.85-1.15x) to ensure natural-sounding voice synchronization within Openclaw Skills.
- Automated subtitle generation using faster-whisper for local, privacy-focused transcription.
- Customizable silence gap insertion to preserve the rhythm and pacing of the original content.
- Flexible CLI options for voice selection, engine switching, and output path configuration.
SKILL.md
Loading
Related Openclaw Skills
Kaspa Wallet
A high-performance CLI tool for interacting with the Kaspa blockchain to manage KAS transactions, balances, and network connectivity.
OpenSETI Distributed Scanner
OpenSETI is a distributed computing skill that allows users to scan real radio telescope data for extraterrestrial signals and earn token rewards.
CLAW99 SDK
The CLAW99 SDK connects your AI agents to a decentralized marketplace on Base to compete for crypto bounties in categories like DeFi, coding, and security.
TokenRanger
TokenRanger is a local context compression plugin for Openclaw Skills that slashes cloud LLM token costs by up to 80% using local SLMs.
Nova Wallet CLI
A secure CLI-based interface for managing multi-chain crypto assets, authentication, and financial transactions via an AI agent.
Skill Auditor
A multi-layered security scanner designed to detect malicious code, obfuscated payloads, and social engineering threats within Openclaw Skills.
Featured*
