Adaptive Duration Model for Text Speech Alignment

Fuente: arXiv
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Autor principal: Cao, Junjie
Formato: Preprint
Publicado: 2025
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author Cao, Junjie
author_facet Cao, Junjie
contents Speech-to-text alignment is a critical component of neural text to speech (TTS) models. Autoregressive TTS models typically use an attention mechanism to learn these alignments on-line, while non-autoregressive end to end TTS models rely on durations extracted from external sources. In this paper, we propose a novel duration prediction framework that can give promising phoneme-level duration distribution with given text. In our experiments, the proposed duration model has more precise prediction and adaptation ability to conditions, compared to previous baseline models. Specifically, it makes a considerable improvement on phoneme-level alignment accuracy and makes the performance of zero-shot TTS models more robust to the mismatch between prompt audio and input audio.
format Preprint
id arxiv_https___arxiv_org_abs_2507_22612
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Adaptive Duration Model for Text Speech Alignment
Cao, Junjie
Sound
Artificial Intelligence
Audio and Speech Processing
Speech-to-text alignment is a critical component of neural text to speech (TTS) models. Autoregressive TTS models typically use an attention mechanism to learn these alignments on-line, while non-autoregressive end to end TTS models rely on durations extracted from external sources. In this paper, we propose a novel duration prediction framework that can give promising phoneme-level duration distribution with given text. In our experiments, the proposed duration model has more precise prediction and adaptation ability to conditions, compared to previous baseline models. Specifically, it makes a considerable improvement on phoneme-level alignment accuracy and makes the performance of zero-shot TTS models more robust to the mismatch between prompt audio and input audio.
title Adaptive Duration Model for Text Speech Alignment
topic Sound
Artificial Intelligence
Audio and Speech Processing
url https://arxiv.org/abs/2507.22612