Analysis, Parametric Synthesis, and Control of Hand Clapping Sounds

The purpose of this thesis was to create a synthesis and control model for hand clapping sounds. The first part of this thesis is a synthesis model for a sound of hand clapping. The synthesis model is based on a two-pole resonator filter whose coefficients are derived from measurements. The filter is excited with short noise pulses to create a simplified but realistic resynthesis of the sound of hand clapping. As the synthesis is based on measurements made in anechoic chamber, also an artificial room reverberation is included. The second part of this thesis focuses on creating control models for the synthesis model. The simplest control model is an imitation of one clapper. The fluctuation of clapping rate is based on the analysis of recorded clapping sequences. More advanced control model addresses to the phenomenon of synchronized applause and is based on the Kuramoto model of coupled nonlinear oscillators. Every clapper in an audience is modeled as an oscillator that has its own preferred clapping rate. When a synchronization is turned on these oscillators start to change their clapping rate and phase to find a synchronization. Both synthesis and control model are implemented as a real-time software.

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