speech data set.vowel regonition

To explain how the ear can recognize a vowel sound as the same vowel, even though it is sounded at different pitches, the idea of vocal formants is invoked. This is data Benade showing that an Ah vowel involves a similar envelope of harmonics when so

Speech Signal Processing中的一個DTFT範例(An example of DTFT in Speech Signal Processing)

BBPSO clustering for data bases like iris, vowel, cancer, etc.