文献类型：期刊文献

中文题名：学前儿童乐曲的计算机生成研究

英文题名：ON COMPUTER GENERATION OF MUSIC FOR PRE-SCHOOL CHILDREN

作者：曹西征[1];曹英[2];范海菊[1]

第一作者：曹西征

机构：[1]河南师范大学计算机与信息技术学院;[2]新乡学院教育科学系

第一机构：河南师范大学计算机与信息技术学院,河南新乡453007

年份：2010

卷号：27

期号：6

起止页码：11-13

中文期刊名：计算机应用与软件

外文期刊名：Computer Applications and Software

收录：CSTPCD;;CSCD:【CSCD_E2011_2012】；

基金：国家自然科学基金项目(60873104);河南省科技攻关项目(082102210107)

语种：中文

中文关键词：学前儿童;乐曲;计算机;音色模型;音高模型;音频

外文关键词：Pre-school children Music Computer Timbre model Pitch model Audio frequency

摘要：对学前儿童乐曲的计算机生成方法进行了研究,将乐谱转化为音频文件并构建软件乐器。首先建立振动模型,在此基础上,建立音色模型,包括振幅包络子模型和频谱子模型。对乐谱中的信息,包括音高、调号等进行编码,建立表示绝对音高与相对音高、调号之间关系的音高模型。利用音高模型和十二平均律完成相对音高到振动频率的映射,再利用音色模型生成WAV音频文件。与传统的演奏结合录制生成音乐的模式相比,该方法可节省演奏的人力成本和硬件乐器的物力成本,提高音质和产出效率,并享受众多的创意,更能满足学前儿童的需求。
This paper does study on a solution to computer-generated music for pre-school children,as well as transforming music from sheet paper into digital audio files and then construct a software musical instrument.Firstly,the vibration model was built,on the basis of it,the timbre model was created.The timbre model includes two sub models,the amplitude envelope model and the frequency spectrum model.The music score information,including the pitch,the key signature and so on,was coded.Then the pitch model was built which expresses the relationships between the absolute pitch and the relative pitch and between that and the key signature.The mapping from relative pitch to vibration frequency was finished by the use of pitch model and twelve-equal temperament,and the waveform audio format file was then generated in terms of the timbre model.Comparing with traditional generation of music by the play-record mode,this method can economize the manpower costs of play and the material resource costs of the hardware musical instrument,and can improve the sound quality and the product efficiency.Not only does it entertain people with more originality,but also meets the requirements of pre-school children.