Impact on the sensation of consonance by controlling spectral components of simultaneous pitches consisting a chord in sound synthesis using the additive method

• Autorzy: Pluta Marek

Identyfikatory

DOI

10.21008/j.0860-6897.2023.2.09

• Języki publikacji: EN

Abstrakty

EN

In pitched sounds the ratios between frequencies of spectral components remain close to natural numbers. In acoustic instruments these ratios deviate from exact values due to damping or boundary conditions, complicating use of musical systems defining frequency ratios associated with musical intervals. If such system is imposed on the fundamental frequencies of pitches consisting a chord, higher spectral components may deviate noticeably, strengthening or weakening the effects of beating and roughness caused by their proximity, and changing chord characteristics in terms of consonance-dissonance gradation. Unlike acoustic instruments, sound synthesizers can precisely adjust components of generated signal, and use this phenomenon as a controllable timbre effect. For this purpose spectral components of a chord within the range of beating and roughness are modified to gradually strengthen or weaken both phenomena. The study presents the assumptions of the effect and its implementation in a sound synthesizer based on the additive method.

Słowa kluczowe

EN

consonance; dissonance; sound timbre; additive synthesis

PL

konsonans; dysonans; barwa dźwięku; synteza addytywna

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2023
• Tom: Vol. 34, nr 2
• Strony: art. no. 2023209
• Opis fizyczny: Bibliogr. 18 poz., rys., wykr.

Twórcy

autor

Pluta Marek

• Department of Mechanics and Vibroacoustics, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland

• https://orcid.org/0000-0002-2519-8135

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).