A LapBox derivative, the Textural Crossfader is a keyboard-based embedded acoustic instrument, which sits comfortably across the performer's lap and radiates sound out of integrated stereo speakers. The performer controls the sound by manipulating the keys on a pair of mini-keyboard interfaces. A unique one-to-one mapping enables the performer to precisely crossfade among a set of looped audio wave files, creating a conveniently portable system for navigating through a complex timbre space. The

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... axes of the timbre space can be reconfigured by replacing the wave files stored in the flash memory.