Howtosignalprocessing
- How do you find the fundamental frequency of a speech?
- What is fundamental frequency in speech?
- What is the autocorrelation of a speech signal?
- How do you find the autocorrelation function of a signal?
How do you find the fundamental frequency of a speech?
Segment of a speech signal, with the period length L, and fundamental frequency F0=1/L.
What is fundamental frequency in speech?
Speaking fundamental frequency (SFF) is the central tendency of the frequency of vibration of the vocal folds during connected speech (Baken & Orlikoff, 2000) and correlates with the perceived pitch of a speaker's voice.
What is the autocorrelation of a speech signal?
"Autocorrelation" is used to compare a signal with a time-delayed version of itself. If a signal is periodic, then the signal will be perfectly correlated with a version of itself if the time-delay is an integer number of periods.
How do you find the autocorrelation function of a signal?
Just multiply g(t)=e−2tu(t) with g(t+T)=e−2(t+T)u(t+T) and integrate. The lower integration limit comes from the multiplication of the two step functions. If T>0 then u(t) determines the lower limit, otherwise u(t+T) determines the lower limit.
