Fig. 10 | Scientific Reports

Fig. 10

From: Graphene-infused terracotta acoustic sound amplifiers

Fig. 10

This figure shows the spectrogram for different input signals and the corresponding outputs from graphene-based and normal amplifiers. Panels (a) through (e) depict the results for the following noise signals: (a) Blue noise, (b) Brownian noise, (c) Pink noise, (d) White noise, and (e) 1 kHz for graphene-based amplifier and normal terracotta amplifiers, respectively. (Each image is generated using Google Colab.).

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