adds get_data() method to a Spectrogram class

AllenDowney / ThinkDSP

Think DSP: Digital Signal Processing in Python, by Allen B. Downey.

https://allendowney.github.io/ThinkDSP/

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Closed vskobov closed 4 years ago

vskobov commented 4 years ago

this is handy, if you want to get a quick access to the Spectrogram data, as NumPy array, ex. machine learning, etc.

AllenDowney commented 4 years ago

Looks good. Do you want to add a test to thinkdsp_test.py?

Thanks!