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Scalable Direction-Following TTS via Voice Impression-Guided Pseudo Triplet Construction

arXiv · AI, language, vision and robotics · article · Sep 2, 2026 · UTC

Voice actors often re-read the same script while modifying their delivery in response to performance directions. We study this setting as direction-following TTS, where a system generates a new utterance that reflects a given direction relative to a reference utterance while preserving speaker identity and linguistic content. A key challenge is the lack of training data capturing such relative modifications. To address this, we propose a scalable pseudo-triplet construction pipeline that generates~(reference utterance, direction text, modified utterance) triplets. It generates controlled style

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