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Acoustics of the Cajon. Content. History Acoustic System of the Cajon – Overview Plate Helmholtz Resonator Other Resonators Equipment. History. Origin in Peru The first instruments were shipping boxes “Cajon” is the Spanish word for box Adopted by Cuban flamenco percussionists.
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Acoustics of the Cajon Markus Schneider - FH-Regensburg
Content • History • Acoustic System of the Cajon – Overview • Plate • Helmholtz Resonator • Other Resonators • Equipment
History • Origin in Peru • The first instruments were shipping boxes • “Cajon” is the Spanish word for box • Adopted by Cuban flamenco percussionists
Plates – Modes of vibration 1 (0,1) Mode
Plates – Modes of vibration 2 (1,0) Mode
Helmholtz-Resonator C: Speed of waves in airr: Radius of the holeV: Volume of the body Dominant frequency : 160 Hz
Other Helmholtz Resonators • Exhaust system • Loudspeaker • Body of other musical instruments
Equipment • Acoustic Camera 33 microphones “make sound visible” • Software NoiseImage • Equipment can be seen at FH-Regensburg Mechanical Engineering
Thank you for your attention! Markus Schneider - Acoustics of the Cajon