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C7. ADG: AutoDissimGram  ( included in  An_aadf_pitch_estimator).

Based on the frequency-time representation of a running spectrum, the sonagram (see sonagrama), we represent our ADF in time. Unsurprisely both graphs are similar, since periodicities (pitch and its multiples and submultiples) are the same.

Run the PEA (Pitch Estimation by AADF)  application and, on the window called MELODY, click on the Checkbox ADG, and choose positive (small values dark grey) or negative (the opposite).

To see it complete and smoothly, put TRACKWIN to 0, and DISPER to 1. on the PEA window.


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