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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >A new type of artificial larynx using a PZT ceramics vibrator as a sound source
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A new type of artificial larynx using a PZT ceramics vibrator as a sound source

机译:以PZT陶瓷振子为声源的新型人工喉

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摘要

Various speech production substitutes which aim to reconstruct speech functions have been developed and used practically, for vocalization-handicapped persons. However, current speech production substitutes have problems, and it is hoped that perfect speech production substitutes are developed. We pay attention to a PZT ceramics vibrator as a sound source of an artificial larynx. We try to produce the artificial larynx which uses a PZT ceramics vibrator, and we evaluate the performance. The power spectrum of the produced artificial larynx user's voice is similar to that of a nonhandicapped person's voice. The vocalized sound of the produced artificial larynx user shows good characteristics at formant frequency, which is important for vowel discrimination. Based on the result of listening estimation, this voice has good clarity. We hope that the proposed artificial larynx will be widely used in the future.
机译:已经为发声残障人士开发并实际使用了各种旨在重建语音功能的语音产生替代品。但是,目前的语音产生替代品存在问题,希望开发出完善的语音产生替代品。我们将PZT陶瓷振动器作为人造喉的声源加以注意。我们尝试生产使用PZT陶瓷振动器的人工喉,并评估其性能。产生的人工喉部用户语音的功率谱类似于非残障人士的语音的功率谱。所产生的人工喉部使用者的发声在共振峰频率下显示出良好的特性,这对于元音的辨别非常重要。根据收听估计的结果,该声音具有良好的清晰度。我们希望,拟议的人工喉将在未来得到广泛使用。

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