FormantFilter

A deprecated type of object in PRAAT. It is replaced by Spectrogram.

An object of type FormantFilter represents an acoustic time-frequency representation of a sound: the power spectral density P(f, t), expressed in dB as 10*log10(power/4e-10)). In the now preferred Spectrogram the power is represented instead of its dB value. It is sampled into a number of points around equally spaced times ti and frequencies fj (on a linear frequency scale).

Inside a FormantFilter

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

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© djmw, October 22, 2014