A powerful AI skill that transforms raw audio files into fully captioned, high-definition videos using server-side GPU rendering.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install subtitle-generator-from-audio
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 subtitle-generator-from-audio 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 Subtitle Generator From Audio?
Subtitle Generator From Audio is an advanced integration for Openclaw Skills designed to eliminate the complexity of manual video editing and transcription. By leveraging remote GPU nodes, this skill allows users to upload audio files in formats like MP3, WAV, or M4A and receive professionally captioned MP4 videos in under a minute. It is specifically engineered for creators who need rapid, accurate results without installing heavy software.
The skill handles the entire lifecycle of video production, from initial speech-to-text processing to final compositing and H.264 compression. It utilizes a cloud-based render pipeline that ensures high-quality 1080p output while maintaining a lightweight footprint on the user's local machine.
Subtitle Generator From Audio Use Cases
- Podcasters creating social media snippets with high-accuracy captions.
- Educators transforming lecture audio into accessible, captioned video content.
- Content creators requiring rapid AI subtitle generation for short-form video platforms.
- Non-technical users needing to convert voice memos into professional 1080p MP4 presentations.
How Subtitle Generator From Audio Works
- Authentication: The skill automatically checks for a NEMO_TOKEN or generates an anonymous session token to begin the workflow.
- Session Initialization: A unique project session is created via the cloud API to track tracks, segments, and metadata.
- Media Upload: Users provide audio files (up to 500MB) which are sent to the cloud processing backend.
- Instruction Processing: The AI interprets natural language prompts to perform AI subtitle generation and timeline adjustments.
- Cloud Rendering: The system composites video layers and text overlays on remote GPU nodes.
- Export and Delivery: The final captioned video is rendered as an MP4 and delivered via a secure download URL.
Subtitle Generator From Audio Setup
To start using this skill with Openclaw Skills, ensure your environment is configured:
# The skill will automatically attempt to generate a token if NEMO_TOKEN is missing.
# To manually set your environment variable:
export NEMO_TOKEN="your_token_here"
# Supported formats include:
# mp3, wav, m4a, aac, mp4, mov, avi, webm
Subtitle Generator From Audio Data Schema & Taxonomy
The skill manages data through a structured session state including draft timelines and generated media metadata:
| Key | Description | Type |
|---|---|---|
task_id |
Unique identifier for the current project | String |
session_id |
Active session tracker for timeline persistence | UUID |
draft |
JSON object containing tracks (t) and track types (tt) | Object |
tt: 7 |
Metadata classification for text/subtitle tracks | Integer |
d |
Duration of segments in milliseconds | Integer |
Subtitle Generator From Audio Advanced Features
- Multi-file batch processing within a single persistent session.
- Iterative timeline editing where users can refine subtitles before the final export.
- Automated GUI instruction mapping that translates visual commands like 'drag' or 'click' into API actions.
- Real-time status monitoring via Server-Sent Events (SSE) for long-running render jobs.
- Support for custom aspect ratios and high-quality H.264 video compression.
SKILL.md
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