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The Effect of Wood on the Sound Quality of Electric String Instruments

100%

Puszyński J., Moliński W., Preis A.

Acta Physica Polonica A

2015

vol. 127

issue 1

114-116

The objective of the study was to investigate the influence of wood species on sound timbre generated by electric string instruments. The obtained results allow to conclude that wood species have the largest influence on the specific sound loudness and it correlates with density and modulus of elasticity. The greater differences occur at lower frequencies. There was no correlation between signal recorded by microphone and pickup.

Real-Time Spectroscopy of Acoustic Waves or Music as Physical Phenomenon

80%

Zieliński P.

Acta Physica Polonica A

1996

vol. 89

issue 2

265-271

The sounds used in music have discrete spectra consisting of a fundamental frequency and of its integer multiples. This is the reason for an affinity of the sounds for which the ratio of the fundamental frequencies is given by a fraction of small integers. Two possible physical mechanisms for this affinity are discussed: (1) an influence of beats between some partial tones and (2) nonlinear interactions between partial tones. Some facts from the music theory are then explained as resulting from the invariance of the most consonant intervals between affine sounds against variations of the timbre and of the register. An analogy is indicated between the classical cadence and the lock-in effect in incommensurate crystals. The lecture is illustrated with extracts from the J.S. Bach Das Wohltemperierte Klavier, the W.A. Mozart sonata for piano KV 570 and a recitative from the Haendel Messiah.

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2 Acta Physica Polonica A

1 2015

1 1996

1 Moliński W.

1 Preis A.

1 Puszyński J.

1 Zieliński P.

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The Effect of Wood on the Sound Quality of Electric String Instruments

Real-Time Spectroscopy of Acoustic Waves or Music as Physical Phenomenon