Install libportaudio2 by entering the following commands in the terminal:
sudo apt update sudo apt install libportaudio2
Description:
Portable audio I/O - shared library
PortAudio is a portable audio I/O library designed for cross-platform support of audio. It uses a callback mechanism to request audio processing. Audio can be generated in various formats, including 32 bit floating point, and will be converted to the native format internally. . This package contains the shared library.
Homepage: http://www.portaudio.com/
Version: 19.6.0-1
Section: universe/libs