Install libestools-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libestools-dev
Description:
Edinburgh Speech Tools Library - developer's libraries
The Edinburgh Speech Tools Library is a collection of C++ class, functions and related programs for manipulating the sorts of objects used in speech processing. . This package contains the header files and static libraries.
Homepage: http://festvox.org/packed/festival/
Version: 1:2.5.0-4
Section: universe/libdevel