This is a homepage of Audio Watermarking Tools (AWT) — robust sound watermarking and steganography software solutions based on a proprietary patented* technology. The tools come in a form of file-to-file console (CLI) applications with intuitive GUI front-end as well as in SDK form. The tools are cross-platform, easy to use on workstations and are quickly deployable in server environments. AWT are free to try.

Digital audio watermarking allows to imperceptibly embed (hide) secret digital signature (digital code) into audio content (wave file) so that this information cannot be removed without damaging the original audio quality. The embedded inaudible information can be retrieved and used to verify authenticity of the audio content, identity of its owners or recipients, or serve as event trigger.

Four different audio watermarking products are offered:

AWT1 – entry-level digital audio watermarking
High grade robustness. Simple and effective.
AWT2 – flagship digital audio watermarking solution
Industrial grade performance, robustness, features and scalability. Reliable hidden “digital signing” for multipurpose use.
AWT3 – distant acoustic triggering and signaling
Especially designed for over-the-air applications.
AWT4 – time-precise digital stamping and triggering
For triggering and signaling over digital and analog audio channels with high timing accuracy.

Are you a musician? Looking for an easy and reliable way to share, deliver, and distribute watermarked audio files?
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(*) U.S. Patent No. 8,116,514