General Rule

There is rarely a closed form expression for the optimal window in practice. The most important task is to formulate an ideal error criterion. Given the right error criterion, it is usually straightforward to minimize it numerically with respect to the window samples .

---

Previous: Optimal Windows for Audio Coding
Next: Window Design by Linear Programming

Order a Hardcopy of Spectral Audio Signal Processing

---

About the Author: Julius Orion Smith III
Julius Smith's background is in electrical engineering (BS Rice 1975, PhD Stanford 1983). He is presently Professor of Music and Associate Professor (by courtesy) of Electrical Engineering at Stanford's Center for Computer Research in Music and Acoustics (CCRMA), teaching courses and pursuing research related to signal processing applied to music and audio systems. See http://ccrma.stanford.edu/~jos/ for details.