Tuesday, August 15, 2017

Is there a function in python which returns the Amplitude/Sound Pressure Level of a sound file(like .wav) file?


I found a function called scipy.io.wavefile.read() which returns the sampling rate and an array. But in the documentation, it is not specified that whether the array returned by this function is of Amplitude or Sound Pressure Level. Which one is it?




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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions

Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...