“When you’re ready to move up from simple audio recording
applications like GNOME’s Sound Recorder, take a look at the
excellent Ardour digital audio workstation.
“Ardour is one of the shining jewels of FOSS, a robust
professional-level multi-channel recorder, editor, and mixer.
Follow along as we learn the basics by making a simple recording.
You will need a computer with a sound card, even a cheapo on-board
chip, and a microphone or instrument to plug in to your sound