In this paper, we describe a sound synthesis of Korean plucked string instrument called gayageum and implementation of the sound engine based on the Intel Bulverde PXA272A processor. Commuted waveguide synthesis (CWS) is used for physical modeling of gayageum and is modified to include transmission characteristic of movable bridge called Anjok. Characteristic of Anjok is extracted from recorded sound by means of adaptive filtering for inverse system identification. To implement sound engine of gayageum, we use X-hyper272A board which equips Intel Bulverde PXA272 processor as prototype of sound engine.
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