Latent Secret Spin embeds detectable watermarks in speech by keyed orthogonal rotations of principal components in codec latent space, producing imperceptible covariance signatures that generalize across datasets without neural training.
Watermarking for AI Content Detection: A Review on Text, Visual, and Audio Modalities
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Latent Secret Spin: Keyed Orthogonal Rotations for Blind Speech Watermarking in Anisotropic Latent Spaces
Latent Secret Spin embeds detectable watermarks in speech by keyed orthogonal rotations of principal components in codec latent space, producing imperceptible covariance signatures that generalize across datasets without neural training.