AWT4 overview

Audio Watermarking Tools 4 (AWT4) is an audio triggering, signaling, and watermarking solution designed for time-precise "digital stamping" with a high data rate. It allows sizable digital codes to be embedded into and extracted from audio streams at exact points in time in order to trigger time- and data-specific events with high temporal accuracy (~30 ms).

Check how AWT4 features and functionality compare to other products from the AWT family.

Details and demo of the technology are available upon request.

AWT4 applications

AWT4 is a scalable and flexible signaling solution suited to applications and use cases from the following areas:

• Audio authenticity and proof of authorship & ownership
• Monitoring of airplay (e.g. commercials, music, etc.)
• Interactive and event-based experiences, signaling, and second-screen synchronization over sound

How to evaluate

Evaluation (demo) version of AWT4 for all major desktop, server and mobile platforms is available upon request.

All packages contain command-line (terminal) encoder and decoder tools, a detailed technology manual, and illustrative examples. If you are interested in integrating AWT4 into your software, AWT4 SDK is available for all major desktop, server, and mobile platforms upon request.

Licensing and information inquiries

Please send your inquiries to the following e-mail address: