Heterodyning is cool stuff - yes you do know what I mean - when you're tuning one note to match up to another, and you get close, and you hear the difference-frequency showing up like a wow-wow-wow sound, beating inside those main tones? Massively useful in radio modulation and audio synthesis too (thanks to the contributions of Canadian engineer Reginald Fessenden, way back in 1901)
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Heterodyne In-place
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Heterodyning is cool stuff - yes you do know what I mean - when you're tuning one note to match up to another, and you get close, and you hear the difference-frequency showing up like a wow-wow-wow sound, beating inside those main tones? Massively useful in radio modulation and audio synthesis too (thanks to the contributions of Canadian engineer Reginald Fessenden, way back in 1901)