Timbre: > In simple terms, timbre is what makes a particular musical instrument or human voice have a different sound from another, even when they play or sing

Timbre: > In simple terms, timbre is what makes a particular musical instrument or human voice have a different sound from another, even when they play or sing the same note. > The physical characteristics of sound that determine the perception of timbre include frequency spectrum and envelope. https://en.wikipedia.org/wiki/Timbre https://en.wikipedia.org/wiki/Timbre