Integrated class-D audio amplifiers are very power efficient but require an external LC
reconstruction filter, which prevents further integration. Also due to this filter, large feedback …

This paper describes the power dissipation analysis and the design of an efficiency-
improved high-voltage class-D power amplifier. The amplifier adaptively regulates its …

This article presents a 28-W class-D amplifier for automotive applications. The combination
of a high switching frequency and a hybrid multibit AΣM-PWM scheme results in high …

Nonlinear audio system identification generally relies on Gaussianity, whiteness and
stationarity hypothesis on the input signal, although audio signals are non-Gaussian, highly …

During the history of audio registration and reproduction, which started more than a century
ago, there has been a steady improvement in quality. The first record player, which was in …

Switch-mode technology is greatly used for audio amplification. This is mainly due to the
great efficiency this technology offers. Normally the efficiency of a switch-mode audio …

Switch-mode technology is the common choice for high efficiency audio power amplifiers.
The dynamic nature of real audio reduces efficiency as less continuous output power can be …

The efficiency of portable battery driven sound systems is crucial as it relates to both the
playback time and cost of the system. This paper presents design considerations when …

This paper proposes a new switching strategy for switch-mode power audio amplifiers
beneficial for the power dissipation in the switching devices of the power stage. The strategy …

The need for efficient portable speaker systems has increased tremendously over the past
10 years. The batteries, amplifiers and filtering has all seen great improvements in efficiency …