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Guest Message by DevFuse

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Active Noise Cancellation....Explained


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#1 OFFLINE   richy

richy

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Posted 29 November 2017 - 06:16 PM

I always liked the idea of the Active Noise Cancellation.  ANC is not new, but it is to MKX.  The owner's manual does a really piss poor job of explaining how it works, other than using equal and opposite noise frequencies to cancel each other out.  I understand the theory, but wanted some more practical questions answered.  I emailed the Lincoln concierge and found a very helpful chap who researched my questions I posed to him and came back to me with the answers.

 

My questions?

 

For the active noise cancellation,  does it work with the radio turned off? 

 

Does the volume level affect its performance?   

  

 

This is the information he provided:

 

 

Rich,   This is the response I got for the active noise control and how it works.

 

It only works when the radio is off and there is no volume to worry about, the radio is off.  Noise control does not use the radio it just uses the speakers and it does not produce sound it produces frequencies so there is no volume control.

 

 

Yes ANC (active noise control) works anytime the engine is running and will not work when the radio on because the noise that is being cancelled is covered up by the radio. 

 

ANC is an audio system feature that eliminates a certain range of low frequency engine noise within the passenger compartment typically induced under wide open throttle or heavy part-throttle conditions.

While the engine is running, all 3 microphones pick up certain frequencies and deaden the sound using multiple modules and then out through the speakers.

 

 

Hopefully that clears up any question you folks may have had about ANC.  It did for me.


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#2 OFFLINE   enigma-2

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  • My MKX's Year:2007-2010

Posted 29 November 2017 - 07:13 PM

That was interesting. I did a Google on this some time back and found little to nothing. This sounds like the system is feeding sub-audio sound into the cabin. Would never have guessed that it only works with the radio off, but make good sense. That means that if you want yo disable the system, all you need do is turn the radio on and set the volume to minimum. Thanks for posting this.






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