What is “speech-tools” Package?

C++ speech software library from the University of Edinburgh
For more details: http://festvox.org/docs/speech_tools-2.4.0/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install speech-tools.

  brew install speech-tools

Now, use speech-tools!