Until recently, audio systems have largely been analog. Now the trend is moving rapidly to digital implementations. While the literature contains most of the information needed to design and implement ...

Figure 1 A schematic of a Sallen Key 2 nd order low pass filter. There are a number of different filter design packages available on the web. Some ask the user to specify filter order and response ...

The filter type can be described in several different ways. Low-pass and high-pass filters in two-way crossover networks are often identified by their "Q". The Q is the resonance magnification of the ...