def dbmean(levels, axis=None):
    levels = np.asanyarray(levels)
    return 10.0 * np.log10((10.0**(levels/10.0)).mean(axis=axis))
Find the path to the application data directory; add an electrum folder and return path.
dataset/ETHPy150Open python-acoustics/python-acoustics/acoustics/decibel.py/dbmean--crossover with--dataset/ETHPy150Open bitxbay/BitXBay/electru/build/lib/electrum/util.py/appdata_dir