A Voice Disguise Communication System Based on Real-Time Voice Conversion

2023 8th International Conference on Computer and Communication Systems (ICCCS) Pub Date : 2023-04-21 DOI:10.1109/ICCCS57501.2023.10151253

Y. Li, Tong Nie, Tian Yang, Zesheng Zhu, Yingying Xu, Shengnan Zhang, Yucheng Shao, Yusheng Jiang

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Abstract

A Voice disguise communication (VDC) system is a system that disguises the voice in transmission and restores it at the receiving end. VDC systems have great application prospects in the field of confidential communication. The use of voice conversion (VC) can enhance the quality of voice disguise and reduce the recognition rate of eavesdroppers or automatic speaker verification (ASV) systems as a way to hide the identity of the speaker. There are three main constraints in applying VC to voice disguise at present: first, the real-time VC is poor and cannot meet the needs of real-time communication; second, the quality of voice disguise is not high, which is easily recognized by eavesdroppers or ASV systems; third, the corpus used for training is large, which poses certain difficulties and costs for implementation. Based on the above problems this research proposed a real-time VC method trained by a small corpus, and used it to design and implement a VDC system, and verified the effectiveness through experiments.

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基于实时语音转换的语音伪装通信系统

语音伪装通信VDC (Voice disguise communication)系统是一种在传输过程中对语音进行伪装，并在接收端将其还原的系统。直流输电系统在保密通信领域具有广阔的应用前景。使用语音转换(VC)可以提高语音伪装的质量，降低窃听者或自动说话人验证(ASV)系统的识别率，作为隐藏说话人身份的一种方式。目前将VC应用于语音伪装主要存在三个制约因素:一是实时性差，不能满足实时通信的需要;二是语音伪装质量不高，容易被窃听者或ASV系统识别;第三，用于培训的语料库很大，这给实施带来了一定的困难和成本。基于以上问题，本研究提出了一种基于小语料库训练的实时VC方法，并利用该方法设计和实现了一个VDC系统，并通过实验验证了该方法的有效性。

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2023 8th International Conference on Computer and Communication Systems (ICCCS)

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