Can audacity generate tone?
Choose Tone from the Generate menu, accessed by: Generate > Tone.... If you used the mouse and now see in "Duration" that the selection is a little too short or long, move the highlighted digit as required using the Left or Right arrow keys on your keyboard, then type over that digit.
How do I make an audition tone?
Choose Effects > Generate > Tones to create a simple waveform using several amplitude‑ and frequency‑related settings. Generated tones are great starting points for sound effects. Transitions tones from settings on Start tab to those on End tab.