转换器和麦克风之间的协议在合成元音的分析中使用实验室模型作为初步实验
Pedro Pestana1, Rita Alegria1, André Araújo2
1School of Health Fernando Pessoa, Fernando Pessoa Teaching and Culture Foundation, Porto, Portugal; RISE-Health, School of Health Fernando Pessoa, Fernando Pessoa Teaching and Culture Foundation, Porto, Portugal; FP-I3ID (Instituto de Investigação, Inovação e Desenvolvimento Fernando Pessoa), FP-BHS (Biomedical and Health Sciences Research Unit), University Fernando Pessoa, Porto, Portugal.
概括
这项研究比较了使用麦克风与压电变频器合成元音的声学参数. 虽然协议有所不同,但两种设备都不是普遍可互换的,选择取决于分析需求.
科学领域:
- 声学语音学的声音学.
- 语音科学是一种语言科学.
- 信号处理 信号处理
背景情况:
- 准确的声学参数测量对于语音分析至关重要.
- 麦克风和压电传感器是捕获语音信号的常见工具.
- 了解这些方法之间的协议对于可靠的研究至关重要.
研究的目的:
- 通过麦克风和压电传感器测量合成元音的声学参数之间的一致性.
- 要确定这两种测量方法是否可互换用于语音分析.
主要方法:
- 使用了各种基本频率 (fo) 和振幅的合成元音.
- 使用Shure MX153 T麦克风和Shadow SH712压电传感器同时捕获声学信号.
- 布兰德-阿尔特曼图表被用于对诸如动,闪和和声波与噪声比率等参数进行统计比较.
主要成果:
- 在声学参数上,一致性各不相同,从优秀到中等.
- 对于动,平均 fo,fo标准偏差和fo范围,发现了很好的一致性.
- 对于包括斜率,振幅差异H1-H2,闪和和声波与噪声比率在内的参数,观察到适度一致.
结论:
- 对于几个声学参数存在中等到高的一致性,但存在差异.
- 麦克风倾向于记录更高的值,而传感器对特定参数的灵敏度更高.
- 两种方法都不是普遍可互换的;选择取决于特定的分析要求.
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