INPUT ACOUSTIC IMPEDANCE MEASUREMENT OF NEY WITH PULSE REFLECTOMETRY METHOD

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MOHAMMADY TALVAR EDRIS; BANOUSHI AYOUB; BROGHANY MOHSEN

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:5 Page(s): 63-69

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Information Journal Paper

Title

INPUT ACOUSTIC IMPEDANCE MEASUREMENT OF NEY WITH PULSE REFLECTOMETRY METHOD

Author(s)

MOHAMMADY TALVAR EDRIS | BANOUSHI AYOUB | BROGHANY MOHSEN | Issue Writer Certificate

Keywords

ACOUSTIC IMPEDANCEQ1

PULSE REFLECTOMETRYQ1

NEYQ1

TUNINGQ1

FINGERINGQ1

Abstract

Investigation of frequency variations of ACOUSTIC IMPEDANCE can play an important role in identification and optimization of a musical instrument. For a simple tube, the input ACOUSTIC IMPEDANCE can be calculated by analytical methods; for complex geometry objects like wind instrument, however, it cannot be simply computed. Therefore, the impedance is measured for wind instruments. This paper is a report of the first experiment for measuring the input ACOUSTIC IMPEDANCE of NEY (an Iranian woodwind instrument). For this purpose, a pulse reflect meter device was made. To ensure correct operation of the reflect meter, in the first step, the input ACOUSTIC IMPEDANCE of a three sections step tube was measured and the results were compared with calculated results using a well-known formula. The ACOUSTIC IMPEDANCEs of a Do-ney for various FINGERING in six case (from all holes closed to all holes opened) were measured. The results show that, contrary to what was seen for flute, the frequencies of minima of the impedance curves have some discrepancies with the frequencies of corresponding playable notes. This may be related to the role of the mouth of the instrument player in producing tones of NEY.

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APA: Copy

MOHAMMADY TALVAR, EDRIS, BANOUSHI, AYOUB, & BROGHANY, MOHSEN. (2016). INPUT ACOUSTIC IMPEDANCE MEASUREMENT OF NEY WITH PULSE REFLECTOMETRY METHOD. MODARES MECHANICAL ENGINEERING, 16(5), 63-69. SID. https://sid.ir/paper/177940/en

Vancouver: Copy

MOHAMMADY TALVAR EDRIS, BANOUSHI AYOUB, BROGHANY MOHSEN. INPUT ACOUSTIC IMPEDANCE MEASUREMENT OF NEY WITH PULSE REFLECTOMETRY METHOD. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(5):63-69. Available from: https://sid.ir/paper/177940/en

IEEE: Copy

EDRIS MOHAMMADY TALVAR, AYOUB BANOUSHI, and MOHSEN BROGHANY, “INPUT ACOUSTIC IMPEDANCE MEASUREMENT OF NEY WITH PULSE REFLECTOMETRY METHOD,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 5, pp. 63–69, 2016, [Online]. Available: https://sid.ir/paper/177940/en

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