how to find variance of audio signal?

1 view (last 30 days)
pranjal
pranjal on 17 Jun 2015
i am working on cry samples of infants to classify jaundice and Apnea ailment(based on cry analysis). Using STFT pitch is tracked and pitch contour is plotted to study pitch variability over the time. graph is attached below. variations incase of Apnea are more compared to jaundice case. so i want to find its variation and based on this i can classify using ANN. is it possible? pls help me to find variance. audio files are in .wav format.please help

Answers (0)

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!