Modeled on human hearing
Why do some notes sound out of tune and not others? Fluctuations in pitch contribute to the quality of a vocal performance, because it is through them that passion and emotional complexity find expression. They give it, in other words, its human dimension. But for their contribution to be a positive one, the nature, scope and precise timing of such fluctuations is of crucial importance.
A note doesn’t necessarily sound sharp or flat just because it isn’t “spot on” mathematically. Just particular, often very brief segments of the note annoy us. Sometimes at the beginning, sometimes at the end, sometimes somewhere in between. It is these crucial segments that have to be perfectly in tune; if they are, the note will sound right to us. The presence of any fluctuations before or after to such segments doesn’t trouble us – to the contrary, we feel they add life to the performance and sound natural.
Melodyne now identifies these problem areas precisely, and the offset shown in the Note Inspector is calculated from the pitch of each note at the crucial moment only – not its entire lifetime. As a result, double-clicking (to set a note’s offset to zero) now yields precisely the right musical result. Also the macro profits from this new, even more musical approach: Each individual note is pitched to perfection. Yet everything still sounds natural and alive.