Community Research and Development Information Service - CORDIS


If a musical instrument is treated as linear systems characterised by their impulse response, the concept of a virtual instrument can be realised. The best measurement of the impulse response was achieved using the direct maximum length sequence excitation signal, applied to the bridge of the violin by a current-to-force transducer. The acoustic pressure radiated from the violin's body is then sampled by a microphone located in an anechoic chamber, and the impulse response is obtained by cross-correlation of the acoustic signal with the excitation signal. This detects all the timbre and reverberant quality of the violin. These measurements are then used to determine the virtual violin, a numerical filter than can add all the required information to an anechoic input signal.

Additional information

Authors: FARINA A, Università di Parma, Dipartimento di Ingegneria Industriale (IT);LANGHOFF A, JRC Ispra (IT);TRONCHIN L, Università di Bologna, Istituto di Fisica Tecnica, Facoltà di Ingegneria (IT)
Bibliographic Reference: Paper presented: CIARM, Ferrara (IT), May 19-20, 1995
Availability: Available from (1) as Paper EN 39095 ORA
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