Difference between revisions of "Audio Interface - Mixing Bench"

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This lab has a MOTU 828mk3 audio Interface.  It has multiple inputs and outputs.  Unfortunately the order and labeling of the inputs and outputs in the audio applications can be confusing.
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Inputs
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There are two XLR/1/4" mic/instrument inputs on the front.
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Microphones can be connected to theses inputs with XLR cables.
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Guitars can be connected with 1/4" cables.
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Each input has:
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Trim control knob for setting levels
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Pad for reducing inout levels
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There are eight 1/4" line level inputs on the back.  
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Inputs 1 and 2 are connected to the patchbay.
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The main outputs of the mixer are connected directly to inputs 3 and 4.  
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The other inputs are not being used.
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Do not connect or disconnect cables on the back.
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Outputs
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There are two XLR Main outputs on the back.
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Theses are connected directly to the Volume Control Box.
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There are eight 1/4" line level outputs on the back.
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Outputs 1 and 2 are connected to the patchbay.  
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The other outputs are not being used.
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Do not connect or disconnect cables on the back.
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Labeling
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The various audio applications may refer to the inputs and outputs with slightly different names.
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We have tried to set the preferences to meaningful names but sometimes they may revert back to the default names.  
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Inputs
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Mic/Instrument inputs come before the line inputs.
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This makes the numbering of the analog inputs confusing.
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For example analog input 1 is input 3.
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MOTU Inputs Software Label
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Mic/Instrument 1 Input 1
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Mic/Instrument 2 Input 2
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Line 1 Input 3
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Line 2 Input 4
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Line 3 Input 5
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Line 4 Input 6
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Outputs
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The Main outputs inputs come before the line outputs.
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This makes the numbering of the analog outputs confusing. 
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For example analog output 1 is output 3.
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MOTU Outputs Software Label
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Main Out 1 Output 1
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Main Out 2 Output 2
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Line 1 Output 3
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Line 2 Output 4
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[[Category:Audio Mixing Benches]]
 
[[Category:Audio Mixing Benches]]

Revision as of 15:28, 4 March 2022

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