Delta-Operator Formulated Digital Filters

09.12.07 Posted in Paper by

Abstract—The shift operator, q, and the z-transform are used extensively in filter design. However, techniques involving forward shifts do not have sensible continuous-time counterparts. The delta operator and its corresponding transform, alternatives to the previous methods, converge to the underlying continuous- time result as the sampling…


Linear-Phase FIR Digital Filter Design Techniques

09.12.07 Posted in Paper by

Abstract—Finite impulse response filters are highly desirable in digital filter design because of their inherent stability and linear phase. However, when narrow transition band characteristics are required, they typically have a much higher filter order than their infinite impulse response counterparts with equivalent magnitude spectrums. This…


Audio Effect Control via Head Position Estimation

09.12.07 Posted in Paper by

This is the paper that accompanied my poster and demo at HAID ’09 (Haptic and Audio Interaction Design).
Abstract – We present a method for combining computer vision techniques with audio effect parameter control. In particular, we focus on tracking a user’s head position relative to the camera…


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