Abstract
ABSTRACT An instrument costing under $4000 was built to study the acoustical properties of crisp foods. A spectrum analyzer was built around an Apple 11+ microcomputer (Apple Computer, Inc.) for analyzing acoustical frequencies in the 0.5 to 3.3 kHz range. The instrument was evaluated with sine and square waves of known amplitudes and frequencies. Samples of Pringles potato chips were crushed and their sound output recorded. Sound pressure level spectra were later developed by the instrumentation.
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