This page explains what mixers and matrices are.
What is Mixer and Matrix ?
The system includes numerous input devices (such as microphones and CDs) and output devices (such as amplifiers and speakers). The Mixer and Matrix section connects these input and output devices. Some devices have only this function, while in others, the Mixer and Matrix are integral parts of the device's functionality (as in a mixer amplifier).
While there is no clear distinction between the Mixer and Matrix, this document will introduce one approach to classification in the latter part.
Introduction of diagrams representing the Mixer and Matrix
To illustrate the explanation of mixers and matrices, let's introduce a diagram.
Therefore, we introduce a diagram as follows:
Horizontal lines represent inputs, and vertical lines represent outputs. If there is a circle at the intersection of a horizontal line and a vertical line, it means that the corresponding input and output are internally connected. This represents the internal connections of the equipment.
Horizontal lines represent inputs, and vertical lines represent outputs. If there is a circle at the intersection of a horizontal line and a vertical line, it means that the corresponding input and output are internally connected. This represents the internal connections of the equipment.
Type of Mixer and Matrix
Numerous types exist, but three representative types will be illustrated.
Bus: What is the BUS used for?
In this system, we can increase the system scale by adding equipment. If adopting the 'in-bus-out' structure, it is possible to connect the equipment with fewer lines. (Imagine how many wires it would need if it was the 'in-out' structure.) However, the number of simultaneous broadcasts is limited to the number of bus lines.
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