The voice signal processing technique has some branches - voice Recognition, voice Compound, voice Coding, and so on.

语音信号的处理技术有几大分支——语音识别、语音合成、语音编码等。

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As a new signal analysis theory, HHT has gradually applied to seismic signal analysis, mechanical failure diagnosis, hydrodynamics, medical signal processing, voice signal processing, and so on.

HHT作为一种新的信号分析理论，已逐步应用到地震信号分析、机械故障诊断、流体力学、医学信号处理和语音信号处理等领域。

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Voice conversion is an newly branch of speech signal processing.

说话人转换是语音信号处理领域中一个前沿的研究分支。

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Nemesysco's devices use a series of patented signal-processing algorithms that can differentiate between a "normal" voice and a"'stressed" voice.

CNN: Behavioral screening -- the future of airport security?