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Issue with Audio processing in bf526

Question asked by mugetsu on Sep 19, 2013
Latest reply on Oct 21, 2013 by gvasanth

in Audio Loopback example, we stored 16bit audio samples in x[] and trying to process it with eq. y[n] = x[n] - x[n-1] + 0.91*y[n-1], but this difference eq has added noise to output. so could you please help me out with reducing noise.

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