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A Method for Spectral Analysis of Musical Sounds, Description and Performances

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We propose a new digital method to make the physical analysis of non-percussive musical sounds. The hardware consists in an acquisition set-up with storage of the data in digital form.

The software uses a new type of spectral analysis. The calculation of successive Discrete Fourier Transform (DFT) and the treatment of the coefficients in the complex plane allows a simultaneous measurement of frequency, amplitude and time evolution. With this treatment we eliminate boundary-period effects and we may correct the results from the square-window perturbations. The analysis of a square wave signal as well as of clarinet sounds shows the possibilities offered by our method in comparison with other presently available procedures in the field.
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Document Type: Research Article

Publication date: May 1, 1975

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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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