TY - JOUR
T1 - Sound synthesis of the harpsichord using a computationally efficient physical model
AU - Välimäki, Vesa
AU - Penttinen, Henri
AU - Knif, Jonte
AU - Laurson, Mikael
AU - Erkut, Cumhur
PY - 2004/6/15
Y1 - 2004/6/15
N2 - A sound synthesis algorithm for the harpsichord has been developed by applying the principles of digital waveguide modeling. A modification to the loss filter of the string model is introduced that allows more flexible control of decay rates of partials than is possible with a one-pole digital filter, which is a usual choice for the loss filter. A version of the commuted waveguide synthesis approach is used, where each tone is generated with a parallel combination of the string model and a second-order resonator that are excited with a common excitation signal. The second-order resonator, previously proposed for this purpose, approximately simulates the beating effect appearing in many harpsichord tones. The characteristic key-release thump terminating harpsichord tones is reproduced by triggering a sample that has been extracted from a recording. A digital filter model for the soundboard has been designed based on recorded bridge impulse responses of the harpsichord. The output of the string models is injected in the soundboard filter that imitates the reverberant nature of the soundbox and, particularly, the ringing of the short parts of the strings behind the bridge.
AB - A sound synthesis algorithm for the harpsichord has been developed by applying the principles of digital waveguide modeling. A modification to the loss filter of the string model is introduced that allows more flexible control of decay rates of partials than is possible with a one-pole digital filter, which is a usual choice for the loss filter. A version of the commuted waveguide synthesis approach is used, where each tone is generated with a parallel combination of the string model and a second-order resonator that are excited with a common excitation signal. The second-order resonator, previously proposed for this purpose, approximately simulates the beating effect appearing in many harpsichord tones. The characteristic key-release thump terminating harpsichord tones is reproduced by triggering a sample that has been extracted from a recording. A digital filter model for the soundboard has been designed based on recorded bridge impulse responses of the harpsichord. The output of the string models is injected in the soundboard filter that imitates the reverberant nature of the soundbox and, particularly, the ringing of the short parts of the strings behind the bridge.
KW - Acoustic signal processing
KW - Digital filter design
KW - Electronic music
KW - Musical acoustics
UR - http://www.scopus.com/inward/record.url?scp=4344605235&partnerID=8YFLogxK
U2 - 10.1155/S111086570440211X
DO - 10.1155/S111086570440211X
M3 - Journal article
AN - SCOPUS:4344605235
SN - 1110-8657
VL - 2004
SP - 934
EP - 948
JO - Eurasip Journal on Applied Signal Processing
JF - Eurasip Journal on Applied Signal Processing
IS - 7
ER -