文化大學機構典藏 CCUR:Item 987654321/52391
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    题名: Glass tube gamelan design for preparation on installation art applications
    作者: Liu, Tsung-Ching
    Yang, Cheng-Han
    Yan, Bing-Shr
    贡献者: 電機工程學系
    关键词: Tonal
    Melody
    Auditory Perception
    日期: 2013-08
    上传时间: 2023-06-07 14:03:24 (UTC+8)
    摘要: Scale plays important role in musical instrument design. Harmonic instruments adopt 12-tet (12 tone equal temperaments) scale, and non-harmonic instruments use scales typically from 5 to 7 notes to the octave with uneven intervals in general such as gamelan [1]. In this paper, we were dealing with a particular nonharmonic instrument design where a set of equal size glass tubes filled with water of different levels to create scale for installation art application. The level is properly adjusted based on a calculated dissonance measure. We will first review the work by Promp and Levelt's [2] mathematical model that utilizes dissonance curve of sound to find the proper music scale for non-harmonic sounding material. The model is adjusted to fine tune the measure and is tested by verifying a real xylophone bought from Java islands. We then use this model to do a preliminary design of our water filled glass tube instrument. It has shown the glass tube instruments have 7-note scales that resemble a Pelog gamelan but with uneven intervals. And quite opposite to people's view that the higher the water level the lower the pitch. It is because higher water level tends to smooth the vibration cycle of the glass. The design procedure can be served as a reference for building much larger tube (glass or PVC) placed in park or recreation ground for intelligent living application.
    關聯: Proceedings of the 2013 ICMC Conference: International Developments in Electroacoustics頁 289 - 2942013 39th International Computer Music Conference, ICMC 2013 11 August 2013到 17 August 2013代碼 106998
    显示于类别:[電機工程系] 會議論文

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