Now that you have learned how to composite digital audio tracks using Audacity’s Tracks menu, you should also take a look at the Generate menu, which allows you to synthesize digital audio using algorithms ranging from chirps and tones, to different types of noise, or even silence. There are even Generate menu plug-ins preinstalled in Audacity for metronome click tracks, plucked strings, and Risset Drum instruments. You already looked at the synthesis algorithm that generates DTMF Tones, so Audacity is fairly adept at synthesizing audio.
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