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电喉原型具有可调节周期扰动和基本频率:声学分析和感知偏好

Giovanna Castilho Davatz¹, Rosiane Yamasaki², Renata Furia Sanchez³

¹Interunit Postgraduate Program in Bioengineering, EESC/IQSC/FMRP, University of São Paulo (USP), Trabalhador São-carlense Avenue, 400, São Carlos, SP, 13566-590, Brazil; Postgraduate Program in Electrical Engineering (PPGEE), Federal University of São Carlos (UFSCar), Washington Luís Highway, km 235, São Carlos, SP, 13565-905, Brazil.

Journal of voice : official journal of the Voice Foundation

|September 17, 2025

概括

这项研究修改了电喉,以改善喉切除术患者的语音质量. 增强的设备产生了更自然的声音,语音语言病理学家和一些用户更喜欢.

科学领域:

生物医学工程生物医学工程
语音科学语言科学
声学声学在声学上.

背景情况:

电喉装置有助于在喉切除术后恢复语音.
当前的设备产生的语音质量与人类自然语音不同.

研究的目的:

通过调整基本频率和周期扰动来声学修改电喉.
通过盲目的评估来比较修改和传统的电喉声音.
评估喉切除器的偏好及其对语音相关生活质量的影响.

主要方法:

开发了一种具有可调节声学参数的原型电喉.
从使用两个配置的女性扬声器记录了持续的元音和连接的语音.
进行了语音语言病理学家的盲目感知评估和喉切除患者的主观评估.

主要成果:

修改后的电喉带来了随机扰动 (0.5%的动) 和年龄/性别调整的基本频率 (110-175 Hz).
声学分析显示,修改后的发射模仿了自然语音模式,形成的峰值更清晰.
语音病理学家压倒性地更喜欢修改后的声音,以提高可理解性和自然性;50%的喉切除患者更喜欢修改后的版本.

结论:

声学修改显著改善了电喉声质.
修改后的电喉产生了更类似于人类自然发声的语言.
提高语音质量可能会对用户的语音相关生活质量产生积极影响.

关键词:

耳鼻喉的声音声音电声喉 (Electrolarynx) 是一个电声喉.发的人会发.语音声学语音声学语音声学语音质量语音质量

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