| 面向学前教育教学的钢琴音色的计算机模拟 |
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| 引用本文： | 曹西征,曹英,孙林.面向学前教育教学的钢琴音色的计算机模拟[J].河南师范大学学报(自然科学版),2010,38(1). |
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| 作者姓名： | 曹西征 曹英 孙林 |
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| 作者单位： | 1. 河南师范大学,计算机与信息技术学院,河南,新乡,453007
2. 新乡学院,教育科学系,河南,新乡,453003 |
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| 基金项目： | 国家自然科学基金，河南省科技攻关项目，河南师范大学引进博士科研启动基金 |
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| 摘 要： | 对面向学前教育教学的钢琴音色的计算机模拟方法进行了研究,建立了钢琴音色的频谱模型和振幅包络模型.利用一维离散余弦变换分析钢琴各音的频谱特性,将泛音参数作用于频谱模型;分析各音的波形影像,将振幅包络参数作用于振幅包络模型,最终生成钢琴的音色.实验表明,采用该方法产生的钢琴音色可完全满足教学要求,与通过录制产生钢琴音色的方法相比,该方法可大大节省资源成本.
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| 关 键 词： | 学前教育教学 计算机音乐 钢琴 音色 模拟 频谱 振幅包络 |
Piano Timbre Simulation by Computer Oriented to Preschool Education and Teaching |
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| Abstract: | This paper discusses how to simulate the timbre of a piano by computer,in order to meet the preschool education and teaching. The frequency spectrum model and the amplitude envelope model of piano timbre are built. The frequency spectrum characteristics of every keys are analyzed by one dimensional discrete cosine transform. And every overtone parameters act on the frequency spectrum model. The amplitude envelope parameters are obtained by analyzing the wave shape images of every keys. And they act on the amplitude envelope model. Then the piano timbre is generated. The experiments show that the simulating piano timbre created by this method can meet completely the teaching requirement. Compared with the method by recording the piano timbre,this method can greatly economize the resource costs. |
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| Keywords: | preschool education and teaching computer music piano timbre simulation frequency spectrum amplitude envelope |
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