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Digital Analysis of Quantisation Errors in Digital Signal Processing

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We propose a sine wave with slowly decaying envelope as a test signal for signal processors using floating-point arithmetic. Rounding errors in the filter will cause amplitude (or phase) irregularities in the reproduced sine wave, and simulations show that certain filters implemented in 24-bit arithmetic will cause effects detectable through a 16-bit communication channel.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=11575

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