A deprecated type of object in Praat. It has been replaced by the MelSpectrogram.

An object of type MelFilter represents an acoustic time-frequency representation of a sound: the power spectral density P(f, t), expressed in dB's. It is sampled into a number of points around equally spaced times t_i and frequencies f_j (on a Mel frequency scale).

The frequency in mels is:

and its inverse is:

Links to this page

• What was new in 4.0?