True, as long as you stick in the digital or mechanical domains. Audacity is an audio editor and works with sound restrictions. Hence the question about the goal.Computers and electroncs work using square waves
There are crossovers. There is a microphone distortion we called Frying Mosquitoes where USB digital transmission leaks into the sound and creates a festival of interfering sine waves along with your voice.
https://www.kozco.com/tech/audacity/cli ... neClip.mp3
We get questions about jobs and goals that Audacity is just never going to achieve because it's the wrong tool. It's good to check.