One of the types of objects in PRAAT.

An object of type BarkSpectrogram represents an acoustic time-frequency representation of a sound: the power spectral density P(z, t). It is sampled into a number of points around equally spaced times ti and frequencies zj (on a Bark scale).

 The bark to hertz transformation is defined as:

hertz = 650.0 * sinh (bark / 7.0),

while its inverse is defined as:

bark = 7.0 * log (hertz/650 + sqrt (1 + (hertz/650)2).

Inside a BarkSpectrogram

With Inspect you will see that this type contains the same attributes a Matrix object.

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© djmw, October 23, 2014