The behavior of audio amplifiers imposes a severe load disturbance on power supplies
used in amplification systems. Such disturbance can produce an elevation of the ripple …

This paper presents the comparison of linear and nonlinear passivity-based controllers used
to enhance the performance of power supplies employed in audio amplification systems …

This paper presents a discussion about the difficulties and limitations of automatically
classifying musical instruments using short musical excerpts. The text focuses on two main …