To properly merge the original signal with the harmonics generated by the sound genotypes, an optimal frequency must be calculated. To do this correctly, a special cut-off calculation algorithm has been created. The current release uses a self-tuning diffusive process performed through analysis of an amplitude genotype of the incoming stream spectrogram at each time point. To avoid frequent oscillations, the current wave signal cut-off frequency is compared with previous cut-off values. The new value is calculated to be within the neighborhood of the previous one with the upper and lower limit based on the signal genotype and particularly its transience value (see below).
While the automated calculation works for all music types, the user can still influence the process. The engine has provided two methods by which the user can control the cut-off frequency. The first allows the user to override the automated method manually and select the cut-off frequency themselves. The second allows the user to adjust the diffusion coefficient, which in all intensive purposes moves the actual insertion point a set percentage on either side of the calculated value. The designers included this ability to provide the user with greater control over their reconstructed sound wave, and therefore, the sound they hear.
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