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Improvement in non-linear guitar loudspeaker sound reproduction
Schmitz, Thomas; Embrechts, Jean-Jacques
2014In International Conference on Systems, Signals and Image Processing
Peer reviewed
 

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Keywords :
Signal processing; Guitar loudspeaker; Volterra
Abstract :
[en] This paper proposes a study of the accuracy of a guitar amplifier loudspeaker simulation. The simulation is based on a non-linear convolution of a signal using Volterra kernels, which are measured in anechoic conditions with a sine-sweep technique. In this paper, we propose an evaluation of the method to minimise the cost in CPU load, while keeping the best performance in the sound reproduction. To assess the performance of the method, we measure errors between the simulated and real sounds. Human listening tests are moreover proposed in order to determine the minimum level of accuracy leading to unaudible differences with the real loudspeaker..
Research center :
INTELSIG
Disciplines :
Civil engineering
Author, co-author :
Schmitz, Thomas ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Techniques du son et de l'image
Embrechts, Jean-Jacques ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Techniques du son et de l'image
Language :
English
Title :
Improvement in non-linear guitar loudspeaker sound reproduction
Publication date :
May 2014
Event name :
International Conference on Systems, Signals and Image Processing (IWSSIP)
Event place :
Dubrovnik, Croatia
Event date :
from May 12 to May 15 2014
Audience :
International
Main work title :
International Conference on Systems, Signals and Image Processing
Peer reviewed :
Peer reviewed
Available on ORBi :
since 30 January 2014

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