Wavelet analysis method is applied to denoise call signals, detect pitch and improve sonogram. The optimum parameters of wavelet denoise are obtained.
将小波分析方法引入到鸣声信号的消噪、基音周期检测和语图的改进中。
参考来源 - 珍稀鸟类朱鹮鸣声特征与行为关系的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N a three-dimensional representation of a sound signal, using coordinates of frequency, time, and intensity 声谱图 [physics]
应用推荐