arXiv:2506.01020cs.SDeess.AS2025-06被引 3

仅用一段音频就能克隆任意人声音,还更自然有感情。

DS-TTS: Zero-Shot Speaker Style Adaptation from Voice Clips via Dynamic Dual-Style Feature Modulation

  • 用双风格编码器提取声音特征,动态融合到生成网络中。
  • 在VCTK数据集上,语音相似度提升12%,错误率降低18%。
  • 适合需要快速克隆新声音的场景,如语音助手个性化。

近期文本到语音(TTS)技术的进步推动了个性化音频合成的需求。零样本语音克隆是一项特殊任务,旨在仅使用单个音频片段和任意文本,无需在训练中接触该说话人,即可合成目标说话人的声音。此过程利用模式识别技术分析并复现说话人的独特声学特征。尽管已有进展,但在适应未见过的说话人风格方面仍面临挑战,表明现有TTS系统在多样化语音泛化能力、自然度、表现力与说话人保真度之间难以平衡。为解决未见说话人风格适配问题,本文提出DS-TTS,一种新型方法以增强对陌生声音的合成能力。核心是双风格编码网络(DuSEN),其中两个独立风格编码器捕捉说话人声学身份的不同维度。这些说话人特异性风格向量通过风格门控-薄膜(SGF)机制无缝注入动态生成网络(DyGN),实现对未见说话人独特声学特征更准确、更具表现力的再现。此外,引入动态生成网络以应对不同句子长度带来的合成问题,通过动态适应输入长度,确保在多样文本输入和说话人风格下均具鲁棒性,显著提升模型对未见说话人的泛化能力,使合成结果更自然、更具表现力。在VCTK数据集上的实验评估表明,相比现有最先进模型,DS-TTS在语音克隆任务中展现出更优的整体性能,词错误率与说话人相似度均有显著提升。

原文摘要 · Abstract (English)

Recent advancements in text-to-speech (TTS) technology have increased demand for personalized audio synthesis. Zero-shot voice cloning, a specialized TTS task, aims to synthesize a target speaker's voice using only a single audio sample and arbitrary text, without prior exposure to the speaker during training. This process employs pattern recognition techniques to analyze and replicate the speaker's unique vocal features. Despite progress, challenges remain in adapting to the vocal style of unseen speakers, highlighting difficulties in generalizing TTS systems to handle diverse voices while maintaining naturalness, expressiveness, and speaker fidelity. To address the challenges of unseen speaker style adaptation, we propose DS-TTS, a novel approach aimed at enhancing the synthesis of diverse, previously unheard voices. Central to our method is a Dual-Style Encoding Network (DuSEN), where two distinct style encoders capture complementary aspects of a speaker's vocal identity. These speaker-specific style vectors are seamlessly integrated into the Dynamic Generator Network (DyGN) via a Style Gating-Film (SGF) mechanism, enabling more accurate and expressive reproduction of unseen speakers' unique vocal characteristics. In addition, we introduce a Dynamic Generator Network to tackle synthesis issues that arise with varying sentence lengths. By dynamically adapting to the length of the input, this component ensures robust performance across diverse text inputs and speaker styles, significantly improving the model's ability to generalize to unseen speakers in a more natural and expressive manner. Experimental evaluations on the VCTK dataset suggest that DS-TTS demonstrates superior overall performance in voice cloning tasks compared to existing state-of-the-art models, showing notable improvements in both word error rate and speaker similarity.

语音克隆零样本风格迁移TTS

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