Diversity of ghost notes in tubas, euphoniums and saxhorns

IF 1 3区 物理与天体物理 Q4 ACOUSTICS
R'emi Matt'eoli, J. Gilbert, S. Terrien, J. Dalmont, C. Vergez, S. Maugeais, E. Brasseur
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引用次数: 1

Abstract

The ghost note is a natural note which can be played exclusively on bass brass instruments with a predominantly-expanding bore profile such as tubas, euphoniums or saxhorns. It stands between the pedal note – the lowest natural note playable, or first regime – and the instrument’s second regime. However, if the interval between the pedal note and the second regime remains close to an octave regardless of the instrument, the interval between the pedal note and the ghost note vary from a minor third to a perfect fourth. References about this note are very scarce, and it is not commonly known among tuba players. This study shows that an elementary brass model describing the player coupled to the instrument is capable of bringing both the ghost and the pedal note to light. Here, we adopt a dynamical systems point of view and perform a bifurcation analysis using a software of numerical continuation. The numerical results provided in terms of frequency intervals between pedal note and ghost note are compared with frequency intervals experimentally inferred from recordings of seven different types of tuba, each of them being played by two professional tuba players.
大号、小号和萨克斯管中鬼音的多样性
鬼音是一种自然的音符,可以在低音铜管乐器上演奏,主要是扩大口径,如大号,低音管或萨克斯管。它站在踏板音符-最低的自然音符可演奏,或第一政权-和乐器的第二政权之间。然而,如果踏板音和第二音调之间的间隔保持接近一个八度,而不管乐器是什么,踏板音和鬼音之间的间隔从小三度到完美四度不等。关于这个音符的参考文献非常少,而且在大号演奏者中并不常见。这项研究表明,一个基本的铜管模型描述的玩家耦合到乐器能够带来幽灵和踏板的注意到光。本文采用动力系统的观点,利用数值延拓软件进行分岔分析。将踏板音和鬼音之间的频率间隔的数值结果与7种不同类型大号录音中实验推断的频率间隔进行了比较,每种大号由两名专业大号演奏家演奏。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta Acustica
Acta Acustica ACOUSTICS-
CiteScore
2.80
自引率
21.40%
发文量
0
审稿时长
12 weeks
期刊介绍: Acta Acustica, the Journal of the European Acoustics Association (EAA). After the publication of its Journal Acta Acustica from 1993 to 1995, the EAA published Acta Acustica united with Acustica from 1996 to 2019. From 2020, the EAA decided to publish a journal in full Open Access. See Article Processing charges. Acta Acustica reports on original scientific research in acoustics and on engineering applications. The journal considers review papers, scientific papers, technical and applied papers, short communications, letters to the editor. From time to time, special issues and review articles are also published. For book reviews or doctoral thesis abstracts, please contact the Editor in Chief.
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