Shengxaing Gao

Also published as: 盛祥


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2023

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基于离散化自监督表征增强的老挝语非自回归语音合成方法(A Discretized Self-Supervised Representation Enhancement based Non-Autoregressive Speech Synthesis Method for Lao Language)
Zijian Feng (冯子健) | Linqin Wang (王琳钦) | Shengxaing Gao (高盛祥) | Zhengtao Yu (余正涛) | Ling Dong (董凌)
Proceedings of the 22nd Chinese National Conference on Computational Linguistics

“老挝语的语音合成对中老两国合作与交流意义重大,但老挝语语音发音复杂,存在声调、音节及音素等发音特性,现有语音合成方法在老挝语上效果不尽人意。基于注意力机制建模的自回归模型难以拟合复杂的老挝语语音,模型泛化能力差,容易出现漏字、跳字等灾难性错误,合成音频缺乏自然性和流畅性。本文提出基于离散化自监督表征增强的老挝语非自回归语音合成方法,结合老挝语的语言语音特点,使用老挝语音素粒度的标注时长信息构建非自回归架构声学模型,通过自监督学习的预训练语音模型来提取语音内容和声调信息的离散化表征,融入到声学模型中增强模型的语音生成能力,增强合成音频的流畅性和自然性。实验证明,本文方法合成音频达到了4.03的MOS评分,基于离散化自监督表征增强的非自回归建模方法,能更好的在声调、音素时长、音高等细粒度层面刻画老挝语的语音特性。”

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融合多粒度特征的缅甸语文本图像识别方法(Burmese Language Recognition Method Fused with Multi-Granularity Features)
Enyu He (何恩宇) | Rui Chen (陈蕊) | Cunli Mao (毛存礼) | Yuxin Huang (黄于欣) | Shengxaing Gao (高盛祥) | Zhengtao Yu (余正涛)
Proceedings of the 22nd Chinese National Conference on Computational Linguistics

“缅甸语属于东南亚低资源语言,缅甸语文本图像识别对开展缅甸语机器翻译等任务具有重要意义。由于缅甸语属于典型的字符组合型语言,一个感受野内存在多个字符嵌套,现有缅甸语识别方法主要是从字符粒度进行识别,在解码时会出现某些字符未能正确识别而导致局部乱码。考虑到缅甸语存在特殊的字符组合规则,本文提出了一种融合多粒度特征的缅甸语文本图像识别方法,将较细粒度的字符粒度和较粗粒度的字符簇粒度进行序列建模,然后将两种粒度特征序列进行融合后利用解码器进行解码。实验结果表明,该方法能够有效缓解识别结果乱码的现象,并且在人工构建的数据集上相比“VGG16+BiLSTM+Transformer”的基线模型识别准确率提高2.4%,达到97.35%。 "