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A Convolution-Based System for Virtual Acoustic Support of Performing Musicians

A system is developed that utilizes measured impulse responses from a variety of superior acoustic spaces to generate, using low-latency multichannel convolution, an artificial sound field augmenting that already present in a performance space. This method of virtual acoustic technology does not regenerate the reflected energy produced by the existing room; instead it contributes desirable room response components from other measured spaces. The adjustable acoustic conditions are set using a comprehensive GUI, transducer arrays, and layered system architecture. Tests conducted with a small ensemble (violin duet) show that such system provides flexible control of acoustic conditions, which may help musicians achieve better artistic performance.

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