DSE-TTS: Dual Speaker Embedding for Cross-Lingual Text-to-Speech

• URL: http://arxiv.org/abs/2306.14145v1
• Date: Sun, 25 Jun 2023 06:46:36 GMT
• Title: DSE-TTS: Dual Speaker Embedding for Cross-Lingual Text-to-Speech
• Authors: Sen Liu, Yiwei Guo, Chenpeng Du, Xie Chen, Kai Yu
• Abstract summary: Cross-lingual text-to-speech (CTTS) is still far from satisfactory as it is difficult to accurately retain the speaker timbres. We propose a novel dual speaker embedding TTS (DSE-TTS) framework for CTTS with authentic speaking style. By combining both embeddings, DSE-TTS significantly outperforms the state-of-the-art SANE-TTS in cross-lingual synthesis.
• Score: 30.110058338155675
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Although high-fidelity speech can be obtained for intralingual speech synthesis, cross-lingual text-to-speech (CTTS) is still far from satisfactory as it is difficult to accurately retain the speaker timbres(i.e. speaker similarity) and eliminate the accents from their first language(i.e. nativeness). In this paper, we demonstrated that vector-quantized(VQ) acoustic feature contains less speaker information than mel-spectrogram. Based on this finding, we propose a novel dual speaker embedding TTS (DSE-TTS) framework for CTTS with authentic speaking style. Here, one embedding is fed to the acoustic model to learn the linguistic speaking style, while the other one is integrated into the vocoder to mimic the target speaker's timbre. Experiments show that by combining both embeddings, DSE-TTS significantly outperforms the state-of-the-art SANE-TTS in cross-lingual synthesis, especially in terms of nativeness.

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