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Core Principles of Live Sound and Mixing- Part 1- Signal Flow

One of the most important things to understand when doing live sound is signal flow. Signal flow is the path of the audio signal from its source to its output. In mixing, it’s how the sound gets from an instrument or input to the audio console and what path the signal takes through the console before finally coming out of the speakers.

Why do you need to understand signal flow?

Well for one, so you can properly connect all the various parts of your sound system.

Sound Systems are comprised of many different pieces of equipment, including but not limited to loudspeakers, crossovers, amplifiers, signal processors, audio consoles, microphones, DI boxes, sub snakes, splitters, etc. There is a specific path the audio signal needs to take through this equipment for it to function properly.

Knowing signal flow allows you to correctly wire all these components together.

You need to patch the inputs on the stage to the snake, the snake to the consoles, the console to the system EQ and...

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