Sound Production in a Reed-organ, Harmonica and Accordion

The sound of a reed-organ, harmonica and accordion has been believed to be made by the surface of a vibrating reed tongue and by the surface of a sound board vibrating from reaction of the tongue vibration. This paper denies this and asserts the following, (1) In the above instruments there is a dif...

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Veröffentlicht in:Journal of the Japan Society of Precision Engineering 1968/07/05, Vol.34(402), pp.467-472
Hauptverfasser: YANAGISAWA, Takeshi, NAKAMURA, Kijuro, HIKICHI, Tuneo
Format: Artikel
Sprache:jpn
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Zusammenfassung:The sound of a reed-organ, harmonica and accordion has been believed to be made by the surface of a vibrating reed tongue and by the surface of a sound board vibrating from reaction of the tongue vibration. This paper denies this and asserts the following, (1) In the above instruments there is a difference in air pressure with a slot as a boarder, and a very rapid flow of air through the slot. When the tongue closes and opens the slot periodically, the sound is produced by changes in air pressure around the slot. (2) The vibration of the soundboard is also produced by the change in air pressure, but the sound produced by vibration of the soundboad is very weak.
ISSN:0374-3543
DOI:10.2493/jjspe1933.34.467