SelectTTS: Synthesizing Anyone's Voice via Discrete Unit-Based Frame Selection

• URL: http://arxiv.org/abs/2408.17432v1
• Date: Fri, 30 Aug 2024 17:34:46 GMT
• Title: SelectTTS: Synthesizing Anyone's Voice via Discrete Unit-Based Frame Selection
• Authors: Ismail Rasim Ulgen, Shreeram Suresh Chandra, Junchen Lu, Berrak Sisman,
• Abstract summary: We propose SelectTTS, a novel method to select the appropriate frames from the target speaker and decode using frame-level self-supervised learning (SSL) features. We show that this approach can effectively capture speaker characteristics for unseen speakers, and achieves comparable results to other multi-speaker text-to-speech frameworks in both objective and subjective metrics.
• Score: 7.6732312922460055
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Synthesizing the voices of unseen speakers is a persisting challenge in multi-speaker text-to-speech (TTS). Most multi-speaker TTS models rely on modeling speaker characteristics through speaker conditioning during training. Modeling unseen speaker attributes through this approach has necessitated an increase in model complexity, which makes it challenging to reproduce results and improve upon them. We design a simple alternative to this. We propose SelectTTS, a novel method to select the appropriate frames from the target speaker and decode using frame-level self-supervised learning (SSL) features. We show that this approach can effectively capture speaker characteristics for unseen speakers, and achieves comparable results to other multi-speaker TTS frameworks in both objective and subjective metrics. With SelectTTS, we show that frame selection from the target speaker's speech is a direct way to achieve generalization in unseen speakers with low model complexity. We achieve better speaker similarity performance than SOTA baselines XTTS-v2 and VALL-E with over an 8x reduction in model parameters and a 270x reduction in training data

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