Vocal Phonetics

Opinions about vowel phonetics, loudly stated.

Why is the sample variance calculated over n-1 instead of n?

statistics

The short answer: because the sample mean is almost always different from the population mean. However, since you don’t know what this difference is, this variation is not…

The Sample Mean and Standard Error of the Sample Mean

statistics

The mean of a group of numbers gives information regarding their central location. The weight of any given value is proportional to the number of times that value appears…

ANAE normalization == log-mean normalization

normalization

urbanlegends

When researchers seek to compare formant patterns across speakers, they often normalize the formant values in some way to facilitate the comparison. To do this they use…