Experimental Investigations of Tānpurā Acoustics
High-speed video camera recordings are used to observe dynamics of an actual Tānpurā string. The temporal evolution of the frequency spectrum is obtained by measuring the nut force during the string vibration. The characteristic sonorous sound of Tānpurā is attributed to not only the presence of a large number of over-tones but also to the dominance of certain harmonics over the fundamental, the latter manifesting itself as a certain cascading effect. The nature of sound is shown to be strongly dependent on the initial plucking amplitude of the string. The stability of the in-plane vertical motion of the string is also emphasised.
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Document Type: Short Communication
Publication date: May 1, 2018
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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