Lono (Audio System)

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This page is about me using a mix of analog and digital electronics to create a (pretty) versatile sound system. It shall be facilitated to perform with instruments/microphones as well as plain hifi.

Step One: Build an analog audio mixer/switch

I want to have 12 audio inputs which can be freely mapped to 6 ouputs which are then fed into USB soundcards.

Here a simplified version (no switching and reduced number of I/O channels) illustration of the mixing:

Simplified schematic

And a photo of the circuit:

Mixer/Switch Circuit without interface

Step Two: Design a user interface and the corresponding PCBs

Datei:Lono hardware ui.pdf