Impedance and its effects

Impedance is related to the impediment or opposition inside a system. The electrical impedance can be represented as a complex function of magnitude in resistance (real part) and reactance (imaginary part). On the other hand, the acoustic impedance is dependent upon the frequency and can be calculated as a function of pressure, particle velocity and surface area. It is also possible to check the impedance of a medium or a component of sound.

In this seminar we are discussing concepts related to the impedance and its effects on the manipulation of sound signal. Some examples will be presented focusing on interference on signal transmission caused by impedance. In the end we will emphasize some precautions in connecting components at some systems.