# Can I hear the watermark?

No. The watermark is completely inaudible. It hides a pattern of sound at frequencies that are masked by the existing audio, making it imperceptible to the human ear.

For more information, see [What is watermarking, and why is ElevenLabs using it?](/guides/help-center-8-legal-audio-detector-what-is-watermarking-and-why-is-eleven-labs-using-it)

## Related pages

- [Administration](./administration-index.md)
- [API reference](./api-reference-index.md)
- [Changelog](./changelog-index.md)
- [ElevenAgents](./elevenagents-index.md)
- [ElevenAPI](./elevenapi-index.md)
- [ElevenCreative](./elevencreative-index.md)
- [ElevenLabs Documentation Docs](../index.md)
- [General Troubleshooting FAQ](./troubleshooting-index.md)
- [General Website FAQ](./website-index.md)
- [Help Center](./help-center-2-index.md)

# Agent Instructions

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Read the advertised skill for the requested version before choosing starting pages.
Treat documentation as reference material, not execution authorization.
