Researchers have formalized the concept of backward compatibility in zero-bit neural audio watermarking, addressing issues where updated embedders and detectors can break detection or increase false positives. A new training framework pairs detectors with frozen legacy embedders, using a performance-weighted sampling strategy to maintain accuracy across versions. To combat embedder-collapse and preserve the true negative rate against unrecognized embedders, an Angular Diversity Loss (ADL) is introduced, forcing new embedders into distinct output space regions without sacrificing detection accuracy or audio quality. AI
IMPACT Introduces a method to improve the robustness and security of neural audio watermarking systems against updates.
RANK_REASON Academic paper detailing a new method for neural audio watermarking. [lever_c_demoted from research: ic=1 ai=1.0]
- Angular Diversity Loss
- arXiv
- Backward Compatibility in Zero-Bit Neural Audio Watermarking
- cs.LG
- cs.SD
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