Audio Engineering

Parallel Patching

The Music Telegraph | Text 2019/08/28 [15:19]
Audio Engineering

Parallel Patching

The Music Telegraph| 입력 : 2019/08/28 [15:19]

 

▲ Figure 1: Parallel Patch from the CD Player (Parallel path is shown shaded)

© The Music Telegraph



 

Parallel Patching

 

Parallel signal patching (or routing) is a technique that allows you to process a signal and still have the original signal available. One of the most common types of processing that uses parallel routing is reverb. In this case, we will be parallel patching the effects processor from the output of the CD player and from the mixer's auxiliary send busses. Each patch point has characteristics that make it different than the others and the skilled engineer will use all of them for different situations.

 

 

Parallel Patch from the CD Player Output

This patch takes the signal from the output of the CD player and splits it to the input of the reverb processor before it gets to the mixer (Figure 1). This is the quietest patch because it passes the signal through the fewest amplifiers.

 

 

Parallel Patch from the Mixer Auxiliary Send Buss

What we are looking for is a way to send the dry signal to the processor after the gain control. That way when you change the dry level, the amount of signal you send to the processor will also change. All mixers have a circuit path that allows you to do this (Figure 2). It is called the 'Auxiliary Send Buss (Aux Send)' and usually there is more than one of them in a mixer. 

 

 

▲ Figure 2: Parallel Patch from the Mixer Aux Send Buss (Parallel path is shown shaded)

© The Music Telegraph



 

 

 

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