发音相似的朝鲜语和汉语单元音辨识方法

该文主要基于共振峰对六对发音相似的朝汉语单元音的分类方法进行了研究。首先,提取音频文件的前三个共振峰F₁、F₂、F₃;其次,分析六对发音相似的朝汉语单元音的共振峰分布差异,针对不同的分类对象选择不同的共振峰频率特征参数或其组合形式作为分类特征;最后,采用信息增益方法确定分类阈值并对朝汉语单元音进行分类。实验结果表明,朝鲜语单元音和具有相似发音的汉语单元音之间存在可区分性,所采用的方法计算过程简单,获得了良好的分类效果。

Identification of Korean and Chinese Monophthongs with Similar Pronunciation

The identification of six pairs of Korean and Chinese monophthongs which are similar in pronunciation is studied based on formant. Firstly, the first three formant F₁, F₂ and F₃ in audio file are extracted; secondly, the differences between the formant distributions of the six pairs of monophthongs are examined, and different characteristic parameters of formants or their combination are employed for different objects as classification feature; at last, the classification threshold is determined by using information gain. The experimental results reveal that the Korean monophthongs and Chinese monophthongs with similar pronunciation can be distinguished by the method proposed in this paper.
Key wordsKorean monophthong, Chinese monophthongs, language recognition, formant, information gain