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Forum Index : Microcontroller and PC projects : Strange Audio

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hitsware
Guru

Joined: 23/11/2012
Location: United States
Posts: 535
Posted: 12:29pm 17 Oct 2013
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DuinoMite Mega
MM 4.4

Using TONE and sweeping down .......
When I cross ~7.4 Hz a much higher tone mixes in
In the kHz but I can't measure (very audible)
Then @ 6.4, 5.4, 4.4, etc. the higher tone steps
down significantly .......
Can someone corroborate this ?
Any ideas where it comes from ?
 
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