Our proprietary audio watermarking technology embeds inaudible multimedia data - such as text, audio, images, or online databases - into audio, enabling verification of its origin and authenticity. By actively monitoring the internet for watermarked content, it aids in piracy prevention and verification.
Our Deepfake Detection technology accurately differentiates between AI-generated voices and real human voices in real time. Our model has won multiple awards in international audio deepfake detection competitions, demonstrating its industry-leading reliability and effectiveness.
Inaudible watermark infrastructure for copyright protection, AI provenance, and content authenticity.
API-first audio watermark infrastructure
100× faster detection at scale.
OFSpectrum embeds cryptographically secure, inaudible watermarks directly into the audio signal. Withstands compression, editing, and re-recording. C2PA-compatible provenance. Built for the AI era.
Why OFSpectrum
Not an academic research project. Not a closed enterprise appliance. A purpose-built API infrastructure for the AI era.
An API-first, self-serve audio watermarking platform. Integrate in minutes — no enterprise sales call required. RESTful endpoints with Python SDK, webhooks, and real-time verification.
C2PA-compatible provenance metadata for AI-generated content. Enterprise-grade security with ongoing independent audit processes.
Identity-based watermark matching — fundamentally more efficient than acoustic fingerprint comparison. Pinpoint leaked content in minutes instead of days. Automated web-wide scanning for pirated audio.
Psychoacoustic embedding engineered to be imperceptible. Withstands MP3/AAC compression, trimming, remixing, equalization, and over-the-air re-recording. Try the listening test yourself.
The provenance layer behind inaudible watermarking, ownership, attribution, and policy-aware audio workflows.
As generative audio scales, the question is no longer only can we embed a transparent watermark?
It is can that watermark remain meaningful under attack, and can we verify it without turning the watermark system itself into an attack surface?
From music labels to AI labs — the world's most forward-thinking teams trust OFSpectrum to secure their audio assets — and join them.
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