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.
Audio watermarking for security and non-security applications
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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.