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Fig. 4 | The Journal of Mathematical Neuroscience

Fig. 4

From: Signal processing in the cochlea: the structure equations

Fig. 4

Spectrograms of three sounds on a new violin. Spectrograms of the three sounds a, e and d on a new violin. The amplitudes of the higher harmonics are determined at short intervals and marked with a point. The intensity of these points is fading with the time. Amplitudes of the harmonics are shown on a relative scale (in dB). More than 20 higher harmonics can be identified. In the first example the level differences of the first 20 harmonics are within a limit of 20 dB.

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