Install sptk by entering the following commands in the terminal:
sudo apt update sudo apt install sptk
Description:
speech signal processing toolkit
The Speech Signal Processing Toolkit (SPTK) is a suite of speech signal processing tools for UNIX environments developed by the SPTK working group and some graduate students in Nagoya Institute of Technology.
Homepage: http://sp-tk.sourceforge.net/
Version: 3.9-1
Section: universe/sound