A T W O O D S   V I O L I N S

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	MODE COUPLING By carefully aligning the natural resonances of the violin, energy can be coupled from non-sound producing vibration modes into sound producing modes. A richer, fuller sounding instrument results.
	By holding the violin on nodal lines for a particular resonance and tapping at locations of anti-nodes, the pitch of the resonance may be determined.
The resulting sound is recorded by the computer. A digital representation of the sound can then be displayed.
Computer analysis reveals pitches of prominent vibrational modes. Modes pitches may be adjusted by "tuning" the finger board and the tail piece.

View the next page on accoustical signatures

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