Install jnoise by entering the following commands in the terminal:
sudo apt update sudo apt install jnoise
Description:
white and pink noise generator
Jnoise is a small command line JACK app generating both white and pink noise. Both noise sources produce have a Gaussion amplitude distribution, and output a signal at -20dB RMS ref. a full scale sine wave.
Homepage: http://kokkinizita.linuxaudio.org/linuxaudio/index.html
Version: 0.6.0-6
Section: universe/sound