The lead developer of Melodyne, Peter Neubäcker, has one of the most precise and concrete understandings of timbre. He used that knowledge to create software wh

The lead developer of Melodyne, Peter Neubäcker, has one of the most precise and concrete understandings of timbre. He used that knowledge to create software which changes pitch without changing speed or timbre. There's a neat documentary floating around which includes some scenes where he explains how he increased his understanding of waveforms in the frequency domain by physcially modeling them in the time domain.